懒笔记
2020年9月英语六级真题第2套 Part III Section C (2) Organic is Key to Helping Feed the World Sustainably
CET-6 · 来自 2020年9月英语六级真题第2套 · Part III Section C (2) · 阅读理解（四选一）

Organic is Key to Helping Feed the World Sustainably

2020年9月英语六级真题第2套文章逐层精读

blog.ucsusa.org(忧思科学家联盟博客)2016.02文章Organic is Key to Helping Feed the World Sustainably(有机农业是帮助养活全世界人民的关键)。

本页是 2020年9月英语六级真题第2套 Part III Section C (2) 文章的精读视角页——这篇议论文全文 450 词、9 段，CEFR 难度 C1（C1 级在英语六级文章中占 58%），作者立场为「积极支持」；英文原文之外，本篇已有的 11 项精读维度逐项展开，其中能迁移到其他英语六级真题文章的判断方法（篇章结构、修辞、言外之意、作者态度、体裁速判）随各维度一并讲透。

精读最佳实践

本页解析里的段号（P1）都可以点——点一下，原文在顶部翻开并定位到该段，解析引用的原文同步标亮；合上原文，你还停在刚才读到的位置。点 P1 试试。

PASSAGE · 文章原文

9 段英文原文

以下为2020年9月英语六级真题第2套 Part III Section C (2) 的阅读理解（四选一）原文，共 9 段。左侧 P1–P9 是段落编号——本页全部解析（结构、逐段、修辞、自检题）都以它为坐标回指原文，点击解析里的段号，原文即在顶部翻开并定位到该段、引用的原文同步标亮；合上原文仍停在当前阅读位置。原文保持卷面形态，不带翻译与标注。

Organic is Key to Helping Feed the World Sustainably

Organic agriculture is a relatively untapped resource for feeding the Earth's population, especially in the face of climate change and other global challenges. That's the conclusion I reached in reviewing 40 years of science comparing the long-term prospects of organic and conventional farming.

The review study, "Organic Agriculture in the 21st Century," is featured as the cover story for the February issue of the journal Nature Plants. It is the first to compare organic and conventional agriculture across the main goals of sustainability identified by the National Academy of Sciences: productivity, economics, and environment.

Critics have long argued that organic agriculture is inefficient, requiring more land to yield the same amount of food. It's true that organic farming produces lower yields, averaging 10 to 20 percent less than conventional. Advocates contend that the environmental advantages of organic agriculture far outweigh the lower yields, and that increasing research and breeding resources for organic systems would reduce the yield gap. Sometimes excluded from these arguments is the fact that we already produce enough food to more than feed the world's 7.4 billion people but do not provide adequate access to all individuals.

In some cases, organic yields can be higher than conventional. For example, in severe drought conditions, which are expected to increase with climate change in many areas, organic farms can produce as good, if not better, yields because of the higher water-holding capacity of organically farmed soils.

What science does tell us is that mainstream conventional farming systems have provided growing supplies of food and other products but often at the expense of other sustainability goals.

Conventional agriculture may produce more food, but it often comes at a cost to the environment. Biodiversity loss, environmental degradation, and severe impacts on ecosystem services have not only accompanied conventional farming systems but have often extended well beyond their field boundaries. With organic agriculture, environmental costs tend to be lower and the benefits greater.

Overall, organic farms tend to store more soil carbon, have better soil quality, and reduce soil erosion compared to their conventional counterparts. Organic agriculture also creates less soil and water pollution and lower greenhouse gas emissions. And it's more energy-efficient because it doesn't rely on synthetic fertilizers or pesticides.

Organic agriculture is also associated with greater biodiversity of plants, animals, insects and microorganisms as well as genetic diversity. Biodiversity increases the services that nature provides and improves the ability of farming systems to adapt to changing conditions.

Despite lower yields, organic agriculture is more profitable for farmers because consumers are willing to pay more. Higher prices, called price premiums, can be justified as a way to compensate farmers for providing ecosystem services and avoiding environmental damage or external costs.

PARAGRAPHS · 逐段精读

9 段逐段主旨与解读

逐段拆解2020年9月英语六级真题第2套 的这篇原文——每段给出英文段落主旨、段落标题与中文解读，并提炼一条「这段为什么这样读」的具体方法。

  1. P1

    Organic Agriculture: An Untapped Resource

    Organic agriculture is an underutilized resource for feeding the world, based on 40 years of comparing organic and conventional farming.

    这一段是整篇文章的 umbrella paragraph，它把 organic agriculture 定位成 underutilized solution，为后文 environmental and economic advantages 的展开提供了 direction。

    开篇定调：未充分利用
  2. P2

    A Landmark Review Study

    The author’s review study, published as a cover story in Nature Plants, is the first to compare organic and conventional farming across the main sustainability goals.

    这一段把作者的个人判断放到 academic 语境中，利用 'Nature Plants' 和 'first' 来强化后续 arguments 的 authority，同时用 productivity、economics、environment 划定了文章的比较维度。

    研究定位：首次综述
  3. P3

    Beyond the Yield Debate: Access and Environmental Benefits

    Although organic farming yields 10–20% less, the real food challenge is inadequate access, not total production; environmental benefits and enhanced research could offset the yield gap.

    这一段回应了 organic agriculture 最常见的批评，即 yield penalty；但作者用 food access 问题把论证从 productivity 转向 sustainability，为后文 environmental and economic advantages 铺路。

    转换到分配与效益
  4. P4

    Drought Resilience of Organic Soils

    Under severe drought, organic farming can match or exceed conventional yields because organic soils hold water more effectively, giving it a climate-adaptive advantage.

    这一段直接反驳 'organic always lower yield' 的说法，并用 climate change 作为背景，说明 organic agriculture 在未来极端天气下可能成为更 reliable option。

    干旱下保水优势
  5. P5

    The Productivity-Sustainability Trade-off

    Conventional farming has increased food supplies, but often at the expense of other sustainability goals.

    这一段承上启下：它把 organic 的比较对象 conventional farming 的优点和缺点同时摆出，为下一步具体讲 environment 损失设立 logical starting point。

    传统农业的两面性
  6. P6

    Contrasting Environmental Costs

    Conventional agriculture imposes environmental costs beyond its fields, while organic agriculture tends to have lower environmental costs and greater benefits.

    这一段将 negative impacts 全部归于 conventional，把 positive alternatives 指向 organic，强化了文章主旨中 'environmental sustainability' 这一支柱。

    环境外部性对比
  7. P7

    Environmental Benefits of Organic Farming

    Organic farming offers multiple environmental benefits, including better soil, less pollution, lower emissions, and greater energy efficiency.

    这一段是文章主旨的重要 evidence base，它以排比方式证明 organic agriculture 在 environmental sustainability 方面明显优于 conventional，直接支撑核心观点。

    环境效益群像
  8. P8

    Organic Agriculture Strengthens Biodiversity

    Organic agriculture supports greater biodiversity, which in turn strengthens ecosystem services and the adaptability of farming systems.

    这一段将有机农业的环境价值提升到 ecosystem services 层面，说明它不只是减少破坏，还能主动增强 resilience，因此和气候变化挑战下的 sustainable food production 紧密相关。

    生物多样性与适应力
  9. P9

    Price Premiums Make Organic Farming Profitable

    Organic agriculture is more profitable for farmers despite lower yields, thanks to price premiums that can be seen as compensation for ecosystem services and avoided environmental damage.

    这一段补上 economic sustainability 维度：organic agriculture 不仅环境友好，还能让 farmer 获利。price premium 为 environmental benefits 提供 economic return，使 'untapped resource' 的主张更有说服力。

    溢价补偿生态服务
SELF CHECK · 段落自检题

9 道逐段细节自检题

针对2020年9月英语六级真题第2套这篇原文，每段配 1 道细节题（ 1 个正确项 + 5 个干扰项 ，由懒笔记精读引擎基于本段命制，非试卷原题）。 选项默认中性；点「显示答案与解析」展开正确项、解析与最快解法，现代浏览器会同步高亮正确选项。

  1. 第 1 段 定位词 conclusion reviewing four decades of research

    What conclusion did the author reach after reviewing four decades of research?

    • A Organic agriculture has already replaced conventional farming in most food-producing regions.
    • B Climate change makes both organic and conventional farming unable to feed the world.
    • C Organic agriculture remains a relatively underused resource for helping feed the global population.
    • D Forty years of research proves that organic farming always produces the highest yields.
    • E The main value of organic farming is limited to reducing food prices.
    • F Conventional agriculture has no long-term prospects under global challenges.
    显示答案与解析 收起答案与解析

    正确答案：C

    该项准确改写 relatively untapped resource for feeding the Earth's population。relatively underused 对应 relatively untapped，helping feed 保留了 for feeding 的功能关系。障碍在于选项没有机械重复原文，而是用 underused 替换 untapped；考生还必须确认选项保留了 relatively 这一程度限制，没有将 potential 夸大为 complete solution。

    三槽压缩 时间紧张时，直接抓题干的 conclusion 和 four decades of research，定位到 第1段。随后不必逐词翻译全段，而是使用“立场句压缩法”：把作者判断压缩为“对象、开发程度、主要功能”三个信息槽，再选择与三个信息槽全部一致的正确项。该方法比逐项回原文找词更快。

  2. 第 2 段 定位词 review study earlier comparisons

    What distinguishes the review study from earlier comparisons of farming systems?

    • A It was the first article on organic farming published in Nature Plants.
    • B It evaluated only the environmental effects of organic farming.
    • C It compared different organic farms in the same climate zone.
    • D It was the first study to compare organic and conventional agriculture across productivity, economics, and environmental goals.
    • E It replaced the National Academy of Sciences' sustainability standards.
    • F It demonstrated that economics is more important than productivity and the environment.
    显示答案与解析 收起答案与解析

    正确答案：D

    该项完整保留 first to compare、organic and conventional agriculture，以及 productivity、economics 和 environment 三个并列维度。障碍在于选项把原文的 main goals of sustainability 改写为相应的 goals，并把 environment 转换为 environmental，考生须识别词性变化而不能误判为新信息。

    紧跟首次后文 抓住 earlier comparisons 这一反向提示，直接扫全文中的 first，定位到 第2段。随后采用“首次性后读法”：first 后面的不定式结构通常就是考点，把 to compare 后的对象和 across 后的维度拼接，正确项即应完整复现这两个信息块。

  3. 第 3 段 定位词 left out lower yields

    What fact is often left out of the debate over organic farming's lower yields?

    • A Organic farms consistently produce 10 to 20 percent more food than conventional farms.
    • B Consumers refuse to pay higher prices for organically produced food.
    • C Organic systems require no additional research or breeding resources.
    • D Food shortages are caused mainly by the world's growing population.
    • E The world already produces enough food for more than its population, but access to that food is still inadequate.
    • F Critics and advocates agree that yield differences no longer matter.
    显示答案与解析 收起答案与解析

    正确答案：E

    该项准确保留 enough food 与 inadequate access 的对照关系，回答了被排除在产量争论之外的事实。障碍在于考生容易只记住前半句的 enough food，忽略 but 后真正具有论证功能的 access problem；正确项必须同时包含供给充足和获取不足。

    锁定转折双句 用 left out 的语义直接搜索 excluded，定位 第3段，不必先围绕 lower yields 逐句阅读。然后执行“转折完整性验算”：读取该位置所属的完整逻辑句，检查正确项是否保留转折两侧共同构成的事实；只保留一侧或改变关系的选项不选。

  4. 第 4 段 定位词 severe droughts match or exceed conventional yields

    Why can organic farms match or exceed conventional yields during severe droughts?

    • A Organic farms use more synthetic fertilizers to protect crops from drought.
    • B Conventional farms lose their ability to grow any crops during droughts.
    • C Organic farmers receive government payments whenever drought occurs.
    • D Organic crops grow faster because they are genetically modified.
    • E Droughts reduce food demand in areas affected by climate change.
    • F Organically farmed soils have a greater capacity to retain water.
    显示答案与解析 收起答案与解析

    正确答案：F

    该项直接改写 higher water-holding capacity of organically farmed soils，是 drought 条件下产量表现较好的机制。障碍在于原文用 because of 引出原因，选项将其名词化为 capacity to retain water；考生要区分结果 yields 与原因 soil property。

    逆追因为 直接以 severe droughts 定位 第4段，看到 Why 就跳读到 because of。采用“因果箭头法”：从题干结果反向沿 because of 找唯一原因，再看正确项是否只改写该原因，不额外添加政策、技术或市场信息。

  5. 第 5 段 定位词 mainstream conventional farming systems

    What does the author say about mainstream conventional farming systems?

    • A They have increased supplies of food and other products, often while compromising other sustainability objectives.
    • B They have failed to increase the global supply of food or other products.
    • C They meet every sustainability goal without creating any trade-off.
    • D They are less productive than organic farming in all circumstances.
    • E They are designed primarily to improve consumers' access to food.
    • F They are no longer relevant to global food production.
    显示答案与解析 收起答案与解析

    正确答案：A

    该项保留 growing supplies of food and other products 与 at the expense of other sustainability goals 两部分。compromising 是 at the expense of 的准确改写。障碍是选项没有重复 but，而将转折压缩进 while，考生仍须识别其双面评价结构。

    双盘天平 从题干中的完整长词组定位 第5段，立即圈读转折词两侧。使用“双盘核对法”：把转折前后的信息分别放入两个核对槽；正确项必须同时保留两侧，且不能改变二者关系。只保留一侧的选项直接排除。

  6. 第 6 段 定位词 extend beyond farmland environmental effects

    According to the author, how can the environmental effects of conventional farming extend beyond farmland?

    • A Their environmental effects are confined to the soil within their own fields.
    • B Biodiversity loss, environmental degradation, and severe impacts on ecosystem services can extend well beyond field boundaries.
    • C They improve ecosystem services by increasing genetic diversity.
    • D They affect only food prices in markets beyond farming areas.
    • E They reduce greenhouse gas emissions beyond national borders.
    • F They have no measurable influence on biodiversity or ecosystem services.
    显示答案与解析 收起答案与解析

    正确答案：B

    该项忠实保留 biodiversity loss、environmental degradation、severe impacts on ecosystem services 和 extended well beyond field boundaries，直接回答环境影响的类型与空间范围。障碍在于题干用 environmental effects 概括后果清单，并用 farmland 改写 field boundaries，考生需要完成概括词与列举内容之间的对应。

    双标签越界 把 beyond farmland 当作核心锚点，定位 第6段 中的 beyond field boundaries。再用“边界双检验”：正确项必须同时保持环境影响对象和越出田界的范围方向；缺少任一条件或改变边界尺度的选项不选。

  7. 第 7 段 定位词 more energy-efficient synthetic fertilizers or pesticides

    Why is organic agriculture described as more energy-efficient?

    • A It produces higher average yields than conventional agriculture.
    • B It stores less soil carbon than conventional farms.
    • C It does not depend on synthetic fertilizers or pesticides.
    • D It receives price premiums from consumers in every market.
    • E It is less exposed to severe drought conditions.
    • F It eliminates all soil and water pollution.
    显示答案与解析 收起答案与解析

    正确答案：C

    该项是 because 从句的直接改写，depend on 与 rely on 完全对应，synthetic fertilizers or pesticides 保留了原因的两个具体对象。障碍在于段中其他优点很多，但只有这一项解释 energy-efficient 的原因，而非仅仅与 organic agriculture 相关。

    同句锁因 以独有词 more energy-efficient 定位 第7段，视线直接向后找 because。使用“同句专属法”：优先选择与题眼处于同一因果句、且能回答 Why 的正确项，不在整段并列清单中横向猜测。

  8. 第 8 段 定位词 biodiversity farming systems

    What benefit does biodiversity provide to farming systems?

    • A It guarantees higher yields for organic farms in every season.
    • B It removes the need for soil and water conservation.
    • C It reduces the number of plants, animals, and microorganisms on farms.
    • D It strengthens nature's services and helps farming systems adapt to changing conditions.
    • E It allows farmers to avoid paying environmental costs.
    • F It makes synthetic fertilizers more effective.
    显示答案与解析 收起答案与解析

    正确答案：D

    该项完整改写 Biodiversity increases the services that nature provides and improves the ability of farming systems to adapt to changing conditions。strengthens 对应 increases，helps...adapt 对应 improves the ability...to adapt。障碍是将两个并列功能压缩为两个更自然的动词短语，要求考生识别功能同义改写。

    复现后找作用 用 biodiversity 与 farming systems 的组合定位 第8段 后，区分概念列举句与功能说明句，直接关注表示作用的谓语。采用“复现后取功能”法：概念重复时，后一次往往承担解释功能，正确项应完整覆盖并列作用。

  9. 第 9 段 定位词 more profitable for farmers despite its lower yields

    Why can organic agriculture be more profitable for farmers despite its lower yields?

    • A Organic farms need less land to produce the same amount of food.
    • B Organic farming always has higher yields than conventional farming.
    • C Governments fully reimburse farmers for every external environmental cost.
    • D Organic products are exempt from all production costs.
    • E Consumers are willing to pay higher prices, creating price premiums for organic products.
    • F Conventional farmers are prohibited from selling products at premium prices.
    显示答案与解析 收起答案与解析

    正确答案：E

    该项完整对应 because consumers are willing to pay more 与 Higher prices, called price premiums。creating price premiums 将两个相邻句的信息连成因果链。障碍在于正确项没有重复 profitable，而是给出其原因；考生必须根据 Why 判断应选择机制而非结论复述。

    沿价格链作答 将 more profitable for farmers 作为经济锚点，定位 第9段；随后直接寻找解释这一结果的 because 结构。使用“经济链条法”：先识别付款主体、价格变化与利润结果之间的方向，再选择能够完整保持这条方向且不添加政策主体的正确项。

STRUCTURE · 篇章结构

9 个意群的议论文骨架

按议论文 的行文骨架切分意群，每个意群标注它覆盖的段落与对主旨的作用——逐段读完后回到这里俯瞰全篇，能看清作者为什么按这个顺序行文。

  1. 引言 P1

    有机农业是应对全球挑战的未开发资源

    作者开门见山地提出 central thesis，明确指出 organic agriculture 是一个 relatively untapped resource，特别是在 climate change 和 global challenges 的 context 下。这个 conclusion 来自作者对 40 years of science 的 review，为整篇文章奠定了 argumentative foundation。

    这个 introductory paragraph 的作用是 establish the main argument，告诉读者作者的 position：有机农业具有 untapped potential。同时通过提及 40-year review 来建立 credibility，为后续的 supporting arguments 做好铺垫。这是典型的 argumentative essay 的 opening strategy。

    直接陈述核心论点
  2. 分论点 P2

    研究背景与可持续性评估框架

    这个 paragraph 介绍了 review study 的 publication details 和 methodological framework。作者说明这是 first study 来 compare organic and conventional agriculture across sustainability goals（productivity, economics, environment），为后续的 specific arguments 建立了 evaluation criteria 和 analytical framework。

    这个 segment 的功能是 establish methodological credibility，通过说明这是 Nature Plants cover story 和 first comprehensive comparison 来增强 argument 的 authority。同时明确了 sustainability 的 three dimensions（productivity, economics, environment），为后续分别讨论这些 aspects 搭建了 logical structure。

    提供研究方法论基础
  3. 分论点 P3

    产量争议：效率批评与反驳

    这个 segment 直接 tackle 最 prominent criticism：organic farming 的 lower yields。作者承认 10-20% yield gap 的 reality，但同时 present multiple counterarguments：environmental advantages outweigh 产量劣势，increased research 能 reduce gap，而且 current food production 已经 sufficient for global population。这是典型的 concession-refutation strategy。

    这个 paragraph 通过 acknowledge the criticism 来增强 argument 的 credibility，同时 systematically dismantle 这个 criticism 的 significance。它 addresses productivity dimension（one of three sustainability goals），并且通过指出 food access problem 来 reframe the debate，suggesting yield 不是 only consideration。这是 sophisticated argumentation，showing 作者 understands opposing views。

    承认并反驳产量劣势
  4. 分论点 P4

    特定情境下的产量优势

    这个 short paragraph 提供了 specific scenario 来 support 前面的 argument：在 severe drought conditions 下，organic farms 甚至能 produce better yields，因为 organically farmed soils 有 higher water-holding capacity。这是用 concrete example 来 demonstrate organic agriculture 的 resilience，特别是在 climate change context 下。

    这个 segment 的作用是通过 specific case（drought）来 illustrate organic farming 的 adaptive advantage。它 echoes 引言中提到的 climate change challenge，showing organic agriculture 不仅 environmentally better 而且在 extreme conditions 下 more resilient。这 strengthens 主旨中关于 organic farming 作为 climate solution 的 argument。

    举例说明气候适应性
  5. 分论点 P5

    传统农业的成就与代价

    这是一个 pivotal transition paragraph，承认 conventional farming 的 contributions（growing supplies）但同时指出 at the expense of other sustainability goals。这个 balanced statement 为接下来详细讨论 environmental costs 做铺垫，同时 maintain argumentative fairness by acknowledging conventional agriculture 的 achievements。

    这个 segment 的 strategic function 是 shift focus from productivity debate 到 environmental considerations。通过 acknowledge conventional farming 的 success in food supply，作者 maintains credibility 同时 set up the contrast：productivity 不是 only measure of success。这为后续 extensive environmental discussion 提供了 logical foundation。

    引出环境代价对比
  6. 分论点 P6

    环境代价的系统性对比

    这个 paragraph 展开了 environmental dimension 的 systematic comparison。作者指出 conventional agriculture produces more food 但 comes at environmental cost：biodiversity loss、environmental degradation、impacts on ecosystem services，而且这些 impacts extend beyond field boundaries。相比之下，organic agriculture 的 environmental costs lower 且 benefits greater。这是 clear environmental advantage 的 establishment。

    这个 segment 全面 establish organic farming 的 environmental superiority，addressing sustainability 的 third dimension（environment，前面已讨论 productivity 和 economics）。通过 list multiple environmental problems of conventional farming 并 contrast with organic benefits，它 strengthens 主旨中关于 superior environmental sustainability 的 claim。

    概述环境优势
  7. 分论点 P7

    土壤、水、气候的具体环境优势

    这个 paragraph 深入到 specific environmental benefits：organic farms store more soil carbon、have better soil quality、reduce erosion，同时 create less pollution、lower greenhouse gas emissions、more energy-efficient（不依赖 synthetic fertilizers/pesticides）。这是用 concrete metrics 来 substantiate 前面的 general environmental claims。

    这个 segment 通过 specific environmental indicators（soil carbon, soil quality, erosion, pollution, emissions, energy efficiency）来 provide empirical support for organic farming 的 environmental superiority。它 directly supports 主旨中 'better soil quality, lower pollution' 的 claims，使 argument 从 abstract assertion 变为 concrete evidence。

    列举具体环境指标
  8. 分论点 P8

    生物多样性优势与适应能力

    这个 paragraph 专门讨论 biodiversity dimension：organic agriculture associated with greater biodiversity across multiple levels（plants, animals, insects, microorganisms, genetic diversity）。作者进一步解释 biodiversity 的 functional value：increases ecosystem services 和 improves adaptive capacity to changing conditions。这是 link environmental benefit to practical resilience。

    这个 segment 完成了 environmental argument by addressing biodiversity，同时 connect to climate adaptation theme（adapt to changing conditions）。它 supports 主旨中 'greater biodiversity' 的 claim，并且 explain why biodiversity matters（ecosystem services, adaptability），making the argument more compelling by showing functional implications。

    阐述生物多样性价值
  9. 分论点 P9

    经济优势：价格溢价的合理性

    这个 concluding argument paragraph shift to economic dimension：尽管 lower yields，organic agriculture 对 farmers 更 profitable because consumers willing to pay more。作者进一步 justify price premiums as compensation for ecosystem services 和 avoiding external costs。这 complete 了 sustainability 的 three dimensions（productivity, environment, economics）。

    这个 final body paragraph addresses economic sustainability，支撑主旨中 'higher profitability' 的 claim。通过 explain price premium mechanism 和 justify it as ecosystem service compensation，作者 complete the sustainability argument：organic farming 不仅 environmentally superior 而且 economically viable。这 addresses potential concern about economic feasibility。

    论证经济可行性
MAIN IDEA · 速判主旨

5 步定位这篇文章的主旨

不读完全篇也能锁定主旨——以下 5 步按2020年9月英语六级真题第2套 这篇原文的实际行文顺序给出，每步说明看哪里、看出什么，可直接迁移到其他英语六级文章。

  1. 首段结论性表述 P1

    议论文的 opening paragraph 通常会直接 present the main argument，作者在 第1段 用 'That's the conclusion I reached' 这种 explicit statement 来 signal 他的 central position，这是 identify main idea 最直接的 pathway

  2. 让步-反驳结构 P3

    第3段 中作者用 'Critics have long argued' 引入 opposing view，然后用 'Advocates contend' 和 'Sometimes excluded from these arguments' 来 present alternative perspectives。这种 dialectical structure 帮助我们 understand 作者的 nuanced position，即 organic farming 虽然 yield lower 但有 other advantages

  3. 比较优势聚合 P4 P6 P7 P8 P9

    第4段 到 第8段 是 supporting body paragraphs，每段都在 elaborate organic farming 的 specific advantages。通过 track 这些 comparative structures（如 'better soil quality', 'greater biodiversity', 'more profitable'），我们能 synthesize 出作者的 overall argument about organic farming 的 superiority

  4. 让步主句权重 P9

    第9段 开头的 'Despite lower yields' 是 critical qualifier，它 acknowledges the limitation 但 emphasizes 'more profitable'。这种 concessive structure 帮助我们 formulate 一个 nuanced thesis statement：organic farming has drawbacks but overall advantages

  5. 三维主旨整合 P1 P3 P4 P5 P6 P7 P8 P9

    将 第1段 的 'untapped resource' claim，第3段-9 的 environmental and economic advantages，以及 throughout 文章的 'lower yields' acknowledgment 整合起来，我们得到一个 comprehensive understanding：organic farming 虽然 produce less 但在 sustainability 和 profitability 方面 superior，是 underutilized solution

主旨信号词 untapped resource P1 That's the conclusion I reached P1 Critics P3 advantages P3 better P4 at the expense of P5 lower P6 greater P8 Despite P9 more profitable P9

MAIN IDEA · 主旨

这篇文章在说什么

有机农业虽然产量比传统农业低10-20%,但通过更好的土壤质量、更低的污染、更高的生物多样性和更高的盈利能力,提供了卓越的环境可持续性。在充足的研究投资和气候变化挑战下,有机农业代表了可持续粮食生产的未充分利用的解决方案。
Organic agriculture, though yielding 10-20% less than conventional farming, offers superior environmental sustainability through better soil quality, lower pollution, greater biodiversity, and higher profitability. With adequate research investment and given climate change challenges, organic farming represents an underutilized solution for sustainable food production.
WORD INFERENCE · 生词推断

4 个生词的上下文推断

不查词典，只用文中线索推出词义——每个词给出推断出的释义与 完整推理链。已收录进英语六级高频真题词集的单词可点击进入词条页。

  • untapped 未开发的;未利用的

    让我们把三条线索串联起来:首先,从structural perspective看,un-prefix提示这是个negative meaning;其次,context告诉我们这个resource在facing major challenges时特别重要;最后,全文的argumentative structure显示organic agriculture虽然被criticized,但actually possesses未被充分认识的advantages。这三个维度converge到同一个conclusion。

    前缀+情境+篇章三角验证
  • contend 主张;声称;认为

    三条线索形成mutually reinforcing evidence:syntactic parallelism把contend和argue放在equivalent position;grammatical pattern显示它introduces a claim;discourse context确认这是academic debate中表达观点的verb。这些clues collectively point to一个表示"主张、认为"的meaning。

    辩论动词的三层定位法
  • premium 溢价;额外费用

    让我们integrate这些clues:appositive structure直接告诉我们premium equals higher prices;causal explanation揭示它的nature是compensation for additional value;logical paradox的resolution确认它必须represent价格上的advantage。这三个angles都converge到同一个meaning。

    术语的定义-功能-验证闭环
  • erosion 侵蚀;腐蚀

    综合三条线索:parallel structure显示这是个需要reduce的negative outcome;collocational context把它限定在soil-related processes;contrastive discourse把它归类为environmental degradation的specific type。这些clues共同指向soil的某种negative change或loss。

    环境术语的三重边界划定
RHETORIC · 修辞手法

5 处修辞手法与仿写

每处修辞给出它在本文的具体用法、同类信号词清单与一份可直接套用的 写作仿写建议——读完能认，也能写。

  • 举例论证

    P4

    作者在第4段中provide了specific example：在severe drought conditions下，organic farms因为higher water-holding capacity可以produce as good甚至better yields。这个concrete case directly challenges了critics关于organic inefficiency的argument，证明在certain circumstances下organic能outperform conventional。这个example非常strategic，因为它addresses了yield gap这个最大的criticism，并且link到climate change这个global challenge，reinforcing文章opening提到的organic agriculture在climate change face中的potential。

    信号词 For example For instance such as including take...as an example consider to illustrate specifically in particular namely

    仿写： 运用举例论证时，先present your general claim，然后用'For example', 'For instance', 'Take...as an example'等phrases引入specific case。Example要relevant、具体、有代表性。建议模版：'[General statement]. For example, in [specific situation/context], [subject] can [action/result] because of [reason]. This demonstrates that [connection back to main point].'

  • 因果论证

    P4 P7 P8 P9

    文章中multiple instances展示cause-and-effect relationships。比如第7段说organic farms store more carbon, have better soil quality因为不rely on synthetic fertilizers。第8段指出biodiversity increases导致更强的adaptation ability。第9段解释higher prices是justified because farmers provide ecosystem services。这些causal links建立了logical chain：organic practices导致environmental benefits，这些benefits justify higher costs，最终support organic agriculture的overall value。这种reasoning pattern让argument显得rigorous和well-structured。

    信号词 because since as due to owing to as a result consequently therefore thus hence leads to results in causes

    仿写： 构建因果论证时要clearly identify cause和effect，并explain the mechanism linking them。Use causal connectors like 'because', 'since', 'as a result', 'consequently', 'therefore'。确保causality是logical而non-spurious。建议模版：'[Effect] occurs because [cause]. As a result of [action/condition], [consequence] emerges. This leads to [further effect], which ultimately [connection to thesis].'

  • 引用论证

    P2

    第2段中作者cite自己的review study发表在Nature Plants journal，并mention这是first study comparing organic和conventional across sustainability goals identified by National Academy of Sciences。这个citation establish credibility和authority。通过reference prestigious journal和authoritative organization，作者demonstrate这不是personal opinion而是based on rigorous research和recognized standards。这strengthen了整个argument的legitimacy，让readers更likely接受subsequent claims。

    信号词 according to research shows studies indicate as noted by evidence suggests findings reveal data demonstrates experts argue scholars claim

    仿写： 使用引用论证时要select authoritative和relevant sources。Clearly indicate source通过direct quotes或paraphrasing，并include proper attribution。建议模版：'According to [source/authority], [claim/finding]. Research published in [journal/organization] shows that [evidence]. As [expert] notes, [supporting statement]. This aligns with findings from [authoritative body].'

  • 对比论证

    P3

    第3段展现了对比论证的structure。作者先承认critics的观点organic yields lower（10-20% less），然后immediately对比advocates的counter-argument：environmental advantages far outweigh lower yields。通过juxtapose这两个opposing perspectives，作者demonstrate了即使concede产量劣势，organic agriculture的environmental benefits仍然make it superior choice。这个contrast directly serves论证目的：prove organic farming值得投资despite yield gap。文章还point out我们already produce enough food这个context，further strengthens对比论证的effectiveness。

    信号词 but while whereas however in contrast on the other hand conversely compared to unlike rather than

    仿写： 写作时可以采用point-by-point comparison的structure。首先identify两个comparison对象，然后select几个关键dimensions进行对比。用transitional words like 'whereas', 'while', 'in contrast', 'on the other hand'来connect对比内容。建议模版：'While A achieves X, B demonstrates Y. Conventional approach may deliver [advantage], but alternative method offers [superior benefit] in terms of [dimension].'

  • 排比修辞

    P7 P8

    第7段使用parallel structure列举organic agriculture的environmental benefits：'store more soil carbon, have better soil quality, and reduce soil erosion'。接下来又是parallel list：'creates less soil and water pollution and lower greenhouse gas emissions'。这种grammatical parallelism创造rhythm和emphasis，让multiple benefits显得overwhelming和impressive。The repetitive structure reinforces the message that organic farming有numerous advantages，通过cumulative effect增强persuasive力度，支持文章主旨about organic agriculture的superior environmental performance。

    信号词 and or as well as both...and not only...but also neither...nor

    仿写： Create排比时ensure每个element有similar grammatical structure。可以是parallel verbs、nouns、phrases或clauses。Use commas和'and'来connect items。建议模版：'[Subject] [verb] X, [verb] Y, and [verb] Z. This approach [verb] A, [verb] B, and [verb] C. The result is [parallel phrases describing outcomes].'确保至少三个parallel elements for maximum effect。

IMPLIED MEANING · 言外之意

8 处话里有话

作者没有明说、但靠信号词传递出来的态度与暗示——每处给出原文片段、信号词类型与解读。

  • 有机农业被低估和忽视

    P1
    Organic agriculture is a relatively untapped resource for feeding the Earth's population

    隐喻词 untapped unexplored underutilized overlooked neglected hidden potential dormant

    作者通过 untapped resource 这个 metaphor 传递的言外之意是:有机农业 currently 没有得到应有的 attention 和 utilization,但它具有 significant potential。这为整篇文章的 argumentative purpose 定调——作者将要 challenge 对有机农业的 conventional dismissal,并 advocate for 重新评估它的 value。这个 implication 直接服务于文章主旨,因为它 frames 有机农业不是 alternative option,而是 underutilized solution。

  • 传统农业效率优势存疑

    P3
    Critics have long argued that organic agriculture is inefficient, requiring more land to yield the same amount of food.

    引述反方观点 Critics have long argued critics argue opponents claim skeptics contend detractors suggest some believe conventional wisdom holds

    作者用 critics have long argued 这个 framing 引出 efficiency criticism,其言外之意是:作者并不 endorse 这个批评,而是要 challenge 它。紧接着作者承认 lower yields 的 factual basis,但通过 advocates contend 和后续 arguments 来 reframe 这个问题。这个 rhetorical move 对主旨的作用是:建立一个 balanced perspective,acknowledging 产量问题但 ultimately arguing 环境优势和其他因素 outweigh 这个 limitation。

  • 批评者忽略了关键事实

    P3
    Sometimes excluded from these arguments is the fact that we already produce enough food to more than feed the world's 7.4 billion people but do not provide adequate access to all individuals.

    指出论述缺失 Sometimes excluded from these arguments often overlooked frequently ignored sometimes excluded rarely considered what is missing from conveniently forgotten

    通过说 sometimes excluded,作者的言外之意是:整个 organic vs. conventional yield debate 建立在 flawed premise 上。真正的问题不是 total production,而是 distribution 和 access。这个 implication 对主旨至关重要,因为它 undermines 对有机农业的 primary criticism——如果我们已经 produce enough food,那么 lower yields 就不是 disqualifying factor。这 shifts focus 从 quantity 到 quality 和 sustainability,perfectly aligning 主旨关于有机农业作为 sustainable solution 的 argument。

  • 传统农业的代价被掩盖

    P5
    mainstream conventional farming systems have provided growing supplies of food and other products but often at the expense of other sustainability goals

    让步转折 but often at the expense of but at the expense of however at a cost to yet with tradeoffs in though compromising but sacrificing while undermining

    这个 at the expense of 的言外之意是:传统农业的 productivity 是 misleading metric,因为它 ignores environmental costs。作者表面上 acknowledging 传统农业的 food production success,但通过 but often at the expense of 这个 turn,实际上在说这个 success 是 Pyrrhic victory。这直接支撑主旨:有机农业虽然 yield 较低,但 avoid 这些 hidden costs,因此在 holistic sustainability assessment 中 superior。这个 implication 为后续段落 detailing environmental damages 铺垫。

  • 传统农业的成果实为损失

    P6
    Conventional agriculture may produce more food, but it often comes at a cost to the environment.

    让步转折 but it often comes at a cost to comes at a cost to at the price of with detrimental effects on while harming though damaging but negatively impacting

    May produce more 和 often comes at a cost 的 modal contrast 传递的言外之意是:产量优势是 conditional 和 disputable,而环境代价是 frequent 和 real。这个 implication reinforces 主旨中有机农业 superior sustainability 的论点。作者通过这种 linguistic framing 在 delegitimize 单纯的 yield comparison,arguing 需要考虑 fuller picture of costs and benefits。

  • 环境破坏范围超出想象

    P6
    Biodiversity loss, environmental degradation, and severe impacts on ecosystem services have not only accompanied conventional farming systems but have often extended well beyond their field boundaries.

    递进强化 have not only...but have often extended well beyond not only...but also not merely...but beyond...extending to more than...actually worse still even more concerning

    Not only accompanied but extended well beyond 的言外之意是:传统农业的环境破坏不是 localized 或 contained,而是有 systemic spillover effects。这个 implication 强化主旨中有机农业 lower environmental costs 的论点,通过 contrast 突出传统农业的 far-reaching damages。作者在说:我们不能只看 field-level outcomes,必须考虑 broader ecosystem impacts,而这正是有机农业的 comparative advantage。

  • 环境成本倾向性对比

    P6
    With organic agriculture, environmental costs tend to be lower and the benefits greater.

    模糊限制语 tend to generally typically often in most cases usually commonly

    Tend to be lower and benefits greater 的言外之意是:虽然有 exceptions,但 overall pattern 明确 favors 有机农业在环境方面的 performance。这个 hedged comparison 对主旨的作用是:在保持 academic credibility 的同时,清晰传递有机农业的 environmental superiority。通过 qualified language,作者 avoids overgeneralization 但仍然 makes strong case,这正是 persuasive academic writing 的 hallmark。

  • 价格溢价的正当性辩护

    P9
    Higher prices, called price premiums, can be justified as a way to compensate farmers for providing ecosystem services and avoiding environmental damage or external costs.

    委婉辩护 can be justified as can be justified is warranted by legitimately reflects reasonably compensates appropriately accounts for serves to offset

    Can be justified as compensation 的言外之意是:虽然有机产品价格更高 might seem like drawback,但这个溢价 reflects real value——environmental services 和 avoided costs。这直接支撑主旨中 more profitable 的论点,将看似的 disadvantage reframe 为 legitimate pricing of true costs。作者在 arguing:传统农业 artificially cheap 因为它 externalizes environmental costs,而有机农业的 higher prices 实际上是 more honest accounting。这个 implication 完善了 sustainability argument 的 economic dimension。

AUTHOR ATTITUDE · 作者态度

作者态度：积极支持

结论先行：本文作者态度为积极支持（ Supportive and optimistic about organic agriculture）。下面是按步骤还原的判断过程与文中的态度信号词。

  1. 首段定调 P1

    议论文的 first paragraph 通常 reveal 作者的 core stance，这里作者直接把有机农业定位为一种 'untapped resource'，这个 wording 本身就带有 potential 和 opportunity 的 positive connotation，而不是用 neutral 或 critical 的表达。

  2. 反方观点处理 P3

    议论文中处理 opposing views 的方式最能 reveal stance。作者用 'Critics have long argued' 引入负面观点，然后用 'It's true...but' 的结构 concede 一点，再用 'Advocates contend' + 'the fact that' 来 strengthen 支持方论点。这个 rhetorical move 表明作者 sympathize with advocates，而不是 critics。

  3. 证据堆叠密度 P4 P5 P6 P7 P8

    议论文作者如果要 support 某个 position，会用 sustained、multi-faceted evidence 来 build case。这里作者连续用五个段落 enumerate 有机农业的 benefits，每段focus 一个 dimension，形成 comprehensive 和 systematic 的 positive portrayal。如果作者是 neutral 或 critical，会 intersperse more drawbacks 或用 more hedging language。

  4. 弱点转化处理 P9

    经济效益是 organic agriculture 常被 challenge 的点，作者这里不回避，但用 'more profitable for farmers' 和 'willing to pay more' 来 reframe，把 higher price 从 disadvantage 转化为 justified premium。这种 strategic reframing 表明作者在为有机农业 make comprehensive case，连 potentially weak point 都能 turn into strength。

  5. 整体架构判断 P1 P3 P4 P5 P6 P7 P8 P9

    议论文作者态度要从 macro structure 来判断，不能只看 isolated sentences。这篇文章从 introduction 到 conclusion 都在 systematically build case for organic agriculture，只在必要时 acknowledge limitations，但立即 counter 或 contextualize。这种 overall architecture 表明作者不是 presenting balanced debate，而是 making persuasive argument。

文中的态度信号词

  • untapped resource P1

    这个 phrase 用 'untapped' 这个 positive modifier 来 characterize 有机农业，暗示它有 great potential 但 currently underused，这是 advocating for more investment 和 attention 的 signal。在议论文中，用 opportunity language 而不是 problem language 来 describe subject，directly reveal supportive stance。

    同类词 untapped potential promising opportunity valuable asset underutilized solution overlooked advantage

  • far outweigh P3

    这个 comparative phrase 用来 emphasize 有机农业的 environmental advantages 比 yield disadvantage 更重要，'far' 这个 intensifier 加强了 imbalance 的程度。作者通过引用 advocates 的话来表达这个观点，但没有 distance himself from it，反而在后面补充 supporting fact，说明他 align with this view。

    同类词 greatly exceed significantly surpass overwhelmingly compensate more than offset vastly outpace

  • environmental advantages P3

    这个 positive noun phrase 把有机农业的 environmental aspects frame 为 'advantages'，不是 'features' 或 'characteristics'。在议论文中，选择 'advantages' over neutral terms 是 clear indicator of favorable attitude。后续段落 elaborate 这些 advantages，形成 claim-support structure。

    同类词 ecological benefits sustainability strengths environmental merits green credentials ecological virtues

  • can produce as good, if not better P4

    这个 hedged comparison 在 address yield gap 时，不仅说有机农业 'can' match conventional，还加上 'if not better' 来暗示 possible superiority。这种 'X, if not Y' structure 是 rhetorical device，让作者 make stronger claim while appearing cautious。在 drought context 下这个 claim 很有 strategic value，因为 climate change 会增加 drought frequency。

    同类词 as good, if not better equal or superior match or exceed comparable, if not preferable at least as effective

  • often at the expense of P5

    这个 critical phrase 用来 describe conventional farming 的 trade-offs，'at the expense of' 带有 negative connotation，暗示 unacceptable cost。作者用这个 expression 来 set up contrast：conventional 有 productivity，但 'often' sacrifice sustainability。这为后续 段落 elaborate organic 的 environmental benefits 做 preparation。

    同类词 at the expense of at the cost of to the detriment of sacrificing compromising

  • tend to P7

    这个 hedge word 'tend to' 在这里很有意思，因为作者用它来 introduce multiple positive claims about organic farming（'store more carbon'、'better soil quality'、'reduce erosion'）。虽然 'tend to' 是 hedging device，但它修饰的是 comprehensive list of benefits，所以 overall effect 还是 strongly positive。作者用 hedge 来 maintain scholarly credibility，但 list length 和 specificity 传达 confidence。

    同类词 generally typically usually commonly often

  • more profitable P9

    这个 economic positive 用来 counter potential objection about organic farming 的 financial viability。作者说 'despite lower yields'，organic 是 'more profitable'，这个 counterintuitive claim 需要 explanation，作者提供了 price premium 的 justification。这种 'paradox resolution' pattern（低产但高利）strengthen argument by showing organic succeeds even on conventional metrics（profit）。

    同类词 economically advantageous financially beneficial more lucrative economically viable better returns

GENRE · 速判体裁

30 秒判定这是一篇议论文

体裁决定读法与出题套路。以下判断步骤与标志词全部以本文为例，可直接迁移到其他英语六级 真题文章。

如何快速判断这是一篇议论文？

  1. 首段明确表态 P1

    第1段 中作者明确说 'That's the conclusion I reached',这是典型的 personal judgment 和 argumentative stance。说明文会 objectively describe,新闻报道会 report events,但议论文会 explicitly state the author's position。

  2. 反驳对立观点 P3

    第3段 开头说 'Critics have long argued',然后作者 acknowledges the criticism ('It's true that') 但随后进行 rebuttal ('Advocates contend')。这种 thesis-antithesis structure 是 argumentation 的核心,说明文不会 debate different sides,新闻不会 take sides。

  3. 证据支撑论点 P4 P7 P8

    第4段、第7段、第8段 都提供了 specific evidence ('organic yields can be higher'、'store more soil carbon'、'greater biodiversity'),但这些 facts 都服务于 supporting the central argument about organic agriculture's advantages。说明文的 facts 是 self-contained information,议论文的 facts 是 strategic ammunition。

  4. 价值判断表达 P6 P9

    第6段 和 第9段 中充满了 evaluative terms:'at a cost'、'environmental costs tend to be lower'、'benefits greater'、'more profitable'。这些 comparative judgments 和 value-laden expressions 明确表达了 preference 和 recommendation,是 persuasive writing 的标志,而非 informative 或 reportorial。

  5. 整体说服架构 P1 P2 P3 P4 P5 P6 P7 P8 P9

    整体架构呈现 claim-evidence-refutation pattern,作者不是在 explain what organic agriculture is (说明文),也不是在 report recent developments (新闻),而是在 argue why it should be valued more,这是典型的 persuasive discourse。每个 paragraph serves the argumentative purpose,从 establishing position 到 defending against criticism 到 presenting advantages。

哪些词暴露了议论文体裁？

  • That's the conclusion I reached P1 立场表态词 I argue that I believe I contend that My view is It is my position that
  • Critics have long argued P3 观点引导词 Advocates contend that Opponents claim Proponents suggest Skeptics maintain Supporters assert
  • Advocates contend that P3 观点引导词 Critics have long argued Opponents claim Proponents suggest Skeptics maintain Supporters assert
  • can produce as good, if not better, yields P4 论证逻辑连接词 can be may result in could lead to might produce is likely to
  • often at the expense of P5 论证逻辑连接词 at the expense of at the cost of sacrificing compromising undermining
  • but often comes at a cost to the environment P6 论证逻辑连接词 but comes at a cost yet fails to while neglecting but overlooks at the risk of
  • tend to P7 论证逻辑连接词 generally typically usually commonly frequently
  • Despite lower yields P9 论证逻辑连接词 Despite In spite of Notwithstanding Regardless of Even with
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关于 Organic is Key to Helping Feed the World Sustainably 的常见问题

2020年9月英语六级真题第2套 Part III Section C (2) 文章 Organic is Key to Helping Feed the World Sustainably 的原文出自哪里？
blog.ucsusa.org(忧思科学家联盟博客)2016.02文章Organic is Key to Helping Feed the World Sustainably(有机农业是帮助养活全世界人民的关键)。
2020年9月英语六级真题第2套文章 Organic is Key to Helping Feed the World Sustainably 的主旨是什么？
有机农业虽然产量比传统农业低10-20%,但通过更好的土壤质量、更低的污染、更高的生物多样性和更高的盈利能力,提供了卓越的环境可持续性。在充足的研究投资和气候变化挑战下,有机农业代表了可持续粮食生产的未充分利用的解决方案。（英文表述：Organic agriculture, though yielding 10-20% less than conventional farming, offers superior environmental sustainability through better soil quality, lower pollution, greater biodiversity, and higher profitability. With adequate research investment and given climate change challenges, organic farming represents an underutilized solution for sustainable food production.）
Organic is Key to Helping Feed the World Sustainably（2020年9月英语六级真题第2套文章）是什么体裁？难度如何？
体裁为议论文，作者立场是积极支持（Supportive and optimistic about organic agriculture）。CEFR 难度 C1，全文 450 词、9 段；在英语六级全部 593 篇真题文章中，C1 级共 343 篇（占 58%）。
2020年9月英语六级真题第2套文章 Organic is Key to Helping Feed the World Sustainably 的篇章结构是怎样的？
全文 9 段按议论文骨架分为 9 个意群：引言 · 第1段——有机农业是应对全球挑战的未开发资源；分论点 · 第2段——研究背景与可持续性评估框架；分论点 · 第3段——产量争议：效率批评与反驳；分论点 · 第4段——特定情境下的产量优势；分论点 · 第5段——传统农业的成就与代价；分论点 · 第6段——环境代价的系统性对比；分论点 · 第7段——土壤、水、气候的具体环境优势；分论点 · 第8段——生物多样性优势与适应能力；分论点 · 第9段——经济优势：价格溢价的合理性。
Organic is Key to Helping Feed the World Sustainably 一文的作者态度是什么？
作者态度是积极支持（Supportive and optimistic about organic agriculture）。判断路径：首段定调 → 反方观点处理 → 证据堆叠密度 → 弱点转化处理 → 整体架构判断；文中的态度信号词包括 untapped resource（第1段）、far outweigh（第3段）、environmental advantages（第3段）、can produce as good, if not better（第4段）、often at the expense of（第5段）、tend to（第7段）、more profitable（第9段）。
2020年9月英语六级真题第2套文章 Organic is Key to Helping Feed the World Sustainably 中有哪些值得积累的生词？
按文中出现顺序共 4 个：untapped（未开发的;未利用的）、contend（主张;声称;认为）、premium（溢价;额外费用）、erosion（侵蚀;腐蚀），每个词的词义都可以由文中上下文线索推断得出。

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