懒笔记
2017年6月英语六级真题第2套 Part III Section C (2) Birds stop migrating as rubbish dumps provide winter feeding grounds
CET-6 · 来自 2017年6月英语六级真题第2套 · Part III Section C (2) · 阅读理解（四选一）

Birds stop migrating as rubbish dumps provide winter feeding grounds

2017年6月英语六级真题第2套文章逐层精读

The Guardian《卫报》2016,01,22 文章Birds stop migrating as rubbish dumps provide winter feeding grounds(由于垃圾堆提供冬季觅食区,鸟类停止迁徙)。

本页是 2017年6月英语六级真题第2套 Part III Section C (2) 文章的精读视角页——这篇说明文全文 448 词、7 段，CEFR 难度 C1（C1 级在英语六级文章中占 58%），作者立场为「客观中立」；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

7 段英文原文

以下为2017年6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 7 段。左侧 P1–P7 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。

Birds stop migrating as rubbish dumps provide winter feeding grounds

Massive rubbish dumps and sprawling landfills constitute one of the more uncomfortable impacts that humans have on wildlife. They have led some birds to give up on migration. Instead of flying thousands of miles in search of food, they make the waste sites their winter feeding grounds.

Researchers in Germany used miniature GPS tags to track the migrations of 70 white storks(鹳) from different sites across Europe and Asia during the first five months of their lives. While many birds travelled along well-known routes to warmer climates, others stopped short and spent the winter on landfills, feeding on food waste, and the multitudes of insects that thrive on the dumps.

In the short-term, the birds seem to benefit from overwintering(过冬) on rubbish dumps. Andrea Flack of the Max Planck Institute found that birds following traditional migration routes were more likely to die than German storks that flew only as far as northern Morocco, and spent the winter there on rubbish dumps. "For the birds it's a very convenient way to get food. There are huge clusters of organic waste they can feed on," said Flack. The meals are not particularly appetising, or even safe. Much of the waste is discarded rotten meat, mixed in with other human debris such as plastic bags and old toys.

"It's very risky. The birds can easily eat pieces of plastic or rubber bands and they can die," said Flack. "And we don't know about the long-term consequences. They might eat something toxic and damage their health. We cannot estimate that yet."

The scientists tracked white storks from different colonies in Europe and Africa. The Russian, Greek and Polish storks flew as far as South Africa, while those from Spain, Tunisia and Germany flew only as far as the Sahel.

Landfill sites on the Iberian peninsula have long attracted local white storks, but all of the Spanish birds tagged in the study flew across the Sahara desert to the western Sahel. Writing in the journal, the scientists describe how the storks from Germany were clearly affected by the presence of waste sites, with four out of six birds that survived for at least five months overwintering on rubbish dumps in northern Morocco, instead of migrating to the Sahel.

Flack said it was too early to know whether the benefits of plentiful food outweighed the risks of feeding on landfills. But that's not the only uncertainty. Migrating birds affect ecosystems both at home and at their winter destinations, and disrupting the traditional routes could have unexpected side effects. White storks feed on locusts(蝗虫) and other insects that can become pests if their numbers get out of hand. "They provide a useful service," said Flack.

PARAGRAPHS · 逐段精读

7 段逐段主旨与解读

逐段拆解2017年6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

    The Emergence of a Migration Crisis

    Human waste sites are causing some bird species to abandon their traditional long-distance migration patterns.

    这个 opening paragraph 为整篇文章的 thesis 打下基础。它不仅引出了 research subject（white storks and landfills），更重要的是建立了文章要探讨的 core tension：人类活动导致的 environmental changes 如何 alter natural behaviors。这种 problem-oriented opening 符合说明文的典型结构，为后续的 empirical evidence 和 risk analysis 提供了 contextual framework。

    识别因果关系与行为对比
  2. P2

    Scientific Evidence of Altered Migration

    German researchers used GPS tracking to document that some white storks now overwinter at landfills instead of completing traditional migration routes.

    这个段落在整篇文章中扮演 evidential bridge 的角色。它将第一段的 general observation 转化为 specific, measurable findings，为后续段落讨论 implications 提供了 solid ground。通过引入 German researchers 和 GPS data，文章从 descriptive mode 转向 analytical mode，符合说明文从 problem 到 investigation 的典型推进逻辑。

    区分研究方法与研究发现
  3. P3

    The Paradox of Survival Advantages

    Overwintering at landfills improves storks' short-term survival compared to traditional migration, despite the poor quality and potential dangers of the food.

    这个段落在文章中承担 complication function，即揭示问题的 complexity 而非给出 simple judgment。它呼应文章主旨中的 improves short-term survival 部分，同时为第四段的 risk elaboration 做铺垫。通过 Flack 的引语和具体 food description，段落增强了 descriptive richness，让读者理解为什么 birds 会做出这样的选择，同时暗示这个选择并非 without cost。

    识别对比结构与限定语
  4. P4

    Dual Threats: Immediate and Long-term Risks

    Feeding at landfills poses both immediate dangers from ingesting harmful debris and unknown long-term health risks from toxic exposure.

    这个段落深化了第三段引入的 risk theme，完成了从 benefit 到 cost 的 analytical shift。它呼应文章主旨中的 poses health risks from toxic waste 部分，通过 Flack 的直接引语增强了 expert authority。段落的 dual structure（immediate + long-term）体现了说明文的 comprehensive analysis approach，确保读者理解 landfill feeding 不仅有 visible dangers，还有 invisible, potentially more serious long-term consequences。

    区分风险类型与确定性标记
  5. P5

    Geographic Scope of the Study

    The study tracked white storks from multiple European and African colonies, revealing varying migration distances based on their origin.

    这个段落在文章中扮演 transitional role，从 general risk discussion 转向 specific case analysis。它为第六段聚焦 German storks 提供了 comparative context，让读者理解 German storks' behavior 是在 broader migration diversity 背景下的 specific pattern。这种 contextual paragraph 在说明文中很常见，作用是 anchor subsequent details in a larger framework，防止读者陷入 isolated facts without seeing the bigger picture。

    识别背景信息的框架作用
  6. P6

    German Storks: A Case Study in Disrupted Migration

    German storks showed significant behavioral changes, with most tracked birds stopping at Moroccan landfills instead of continuing to traditional Sahel wintering grounds.

    这个段落通过 German storks 的 specific data 为前面段落的 general claims 提供 concrete evidence。它呼应文章主旨中的 abandoning traditional routes 部分，用 4/6 这个 striking proportion 强化论点的 persuasiveness。通过 contrast with Spanish storks，段落展示了 landfill impact 的 geographic specificity，暗示 proximity and accessibility of landfills 是 key factor。这种 case-specific analysis 是说明文建立 credibility 的重要策略。

    区分对比基线与焦点案例
  7. P7

    Beyond Individual Survival: Ecosystem-level Concerns

    The long-term balance between survival benefits and risks remains uncertain, while disrupted migration may have broader ecosystem consequences by reducing pest control services that storks provide.

    这个 closing paragraph 完成了文章的 analytical arc，从 individual behavior 到 ecosystem consequences。它呼应文章主旨中的 may disrupt ecosystems 部分，通过 pest control services 这个具体例子让 abstract concern 变得 tangible。Flack 的 final quote（they provide a useful service）给文章留下 open-ended implication，暗示 problem 的 stakes 比 bird survival 更高。这种 expanding conclusion 是说明文的典型策略，提示读者 issue 的 complexity and far-reaching consequences。

    识别知识边界与范围扩展
SELF CHECK · 段落自检题

7 道逐段细节自检题

针对2017年6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 rubbish dumps winter behavior

    What change have rubbish dumps brought about in the winter behavior of some birds?

    • A They migrate farther to find cleaner sources of food in winter.
    • B They use landfills only as temporary resting places on migration routes.
    • C They have replaced long migratory journeys with feeding at waste sites during winter.
    • D They have begun to avoid human settlements during the cold season.
    • E They return to their breeding areas earlier than usual.
    • F They depend less on insects and more on natural plants.
    显示答案与解析 收起答案与解析

    正确答案：C

    正确项完整复现本段的替代关系：Instead of flying thousands of miles 对应 replaced long migratory journeys，make the waste sites their winter feeding grounds 对应 feeding at waste sites during winter。障碍在于原文用 Instead of 呈现转折，选项则压缩为 replace A with B；考生必须保留“迁徙被替代”这一逻辑，不能只抓住 food。

    锁定替代句 时间极紧时，直接用题干中的 rubbish dumps 与 winter 在 第1段 做“双词同屏”扫描，不必先逐句翻译。看到 Instead of 后，把前半句压缩为旧行为、后半句压缩为新行为，再选择能完整呈现这一替代结构的正确项。这个方法比逐个翻译六个选项更快，因为它先建立了唯一的逻辑骨架。

  2. 第 2 段 定位词 GPS tracking young white storks

    What did the GPS tracking study reveal about the young white storks?

    • A All the tracked birds followed the same established route to warmer climates.
    • B The birds avoided food waste because it contained too many insects.
    • C The tags showed that storks began migrating only after five months of age.
    • D Some birds spent the winter on landfills instead of continuing along the usual routes to warmer regions.
    • E Most storks remained at their original nesting sites throughout winter.
    • F Only storks from Asia were attracted to landfill insects.
    显示答案与解析 收起答案与解析

    正确答案：D

    该项准确概括 others stopped short and spent the winter on landfills，并保留其与 well-known routes to warmer climates 的对照。障碍是原文把答案分置于 While many... others... 的两个分句，选项把它们整合成 instead of 结构；考生要识别这是一种合理的对比性改写。

    扫描研究转折 直接扫描 第2段 中 GPS 后面的转折骨架 While many... others...。把 many 看作背景组，把 others 看作题干所问 reveal 的差异组；随后只比较六个选项是否准确复述差异组的 destination、winter 和 food-site 三个信息。正确项是唯一不把范围扩大为 all、也不改写行为方向的选项。

  3. 第 3 段 定位词 German storks northern Morocco

    What short-term advantage did the German storks wintering in northern Morocco appear to have?

    • A They were more likely to survive because they ate only fresh organic food.
    • B They avoided all contact with plastic bags and other human debris.
    • C They reached South Africa earlier than storks from other countries.
    • D They had access to food that was safer than food in their usual habitats.
    • E They were less likely to die than birds following traditional migration routes.
    • F They no longer needed to feed on insects during winter.
    显示答案与解析 收起答案与解析

    正确答案：E

    原文明确说 following traditional migration routes 的 birds were more likely to die than German storks，因此正确项以反向比较准确表达 German storks 的相对生存优势。设置障碍在于原文的主语是 traditional-route birds，选项将比较视角转换为 German storks；只有理解 than 两端的关系，才能避免误判。

    翻转比较方向 用 northern Morocco 直达 第3段，立即寻找比较级 more likely 与 than，不必阅读整段食物描写。把该句在脑中改成“德国组的死亡风险更低”，然后选择与该反向关系完全一致的正确项。比较级是本题的判分开关，后续的 rotten meat 只用于干扰。

  4. 第 4 段 定位词 long-term concern

    What is one long-term concern about storks feeding at rubbish dumps?

    • A They will certainly die after swallowing any piece of plastic.
    • B Their health has already been shown to improve because of landfill food.
    • C They may lose their ability to fly across the Sahara desert.
    • D They are unable to find enough organic waste during winter.
    • E Their toxic exposure has been precisely measured by the researchers.
    • F They may consume toxic material that could damage their health in ways not yet known.
    显示答案与解析 收起答案与解析

    正确答案：F

    该项保留原文的双重不确定性：might eat something toxic 和 we don't know about the long-term consequences / cannot estimate that yet。could damage their health 是对 damage their health 的准确改写。障碍在于正确项没有将风险说成必然结果，而以 may、could 保持证据强度。

    追踪不确定链 在 第4段 直接扫描不确定性词链：might -> don't know -> cannot estimate。然后只选择保留“有毒风险加未知健康后果”两层信息的正确项。不要被开头的 can die 吸走，因为题干的 long-term 已经限定了证据窗口。

  5. 第 5 段 定位词 South Africa

    Which group of storks flew as far as South Africa?

    • A The Russian, Greek, and Polish storks.
    • B The Spanish, Tunisian, and German storks.
    • C The German and Spanish storks only.
    • D The storks from all the European colonies.
    • E The storks that overwintered on rubbish dumps in northern Morocco.
    • F The storks from the Sahel colonies.
    显示答案与解析 收起答案与解析

    正确答案：A

    该项与原文前半句的并列主语完全对应，并准确连接目的地 South Africa。障碍是后半句的 Spain、Tunisia 和 Germany 同样由三个国家组成，形式极其相似；考生若只记住“三国一组”而忽略 while 两侧的目的地，极易错配。

    终点左看 直接在 第5段 找 South Africa，执行“终点左看”动作：只读取该动词 flew 的主语并列串，到 while 立即停止。正确项就是这条主语串的完整同义呈现；无需处理后半句 Sahel 的细节。

  6. 第 6 段 定位词 survived for at least five months tagged German storks

    What did the tagged German storks that survived for at least five months most clearly demonstrate?

    • A All of them crossed the Sahara desert and wintered in the western Sahel.
    • B Most of them overwintered on rubbish dumps in northern Morocco rather than migrating to the Sahel.
    • C They migrated to South Africa after feeding briefly in northern Morocco.
    • D Only two of the six birds used rubbish dumps as winter feeding grounds.
    • E The waste sites had no detectable effect on their migration decisions.
    • F They returned to landfill sites on the Iberian peninsula for the winter.
    显示答案与解析 收起答案与解析

    正确答案：B

    four out of six 表示该幸存样本中的多数，overwintering on rubbish dumps in northern Morocco 和 instead of migrating to the Sahel 均为原文信息。障碍在于选项以 Most of them 概括比例，既不错误夸大到 all，也不机械重复数字；同时完整保留了“垃圾场越冬替代前往 Sahel”的核心结构。

    三槽核对法 在 第6段 以 five months 定位后，只读包含 four out of six 的一句，并用“四/六=多数”完成比例换算。随后核对正确项是否同时包含 majority、northern Morocco 和 rather than Sahel；三个槽位全部命中即可判定，无需回读西班牙鸟的背景句。

  7. 第 7 段 定位词 ecological role winter destinations

    What ecological role do white storks play at their winter destinations?

    • A They increase the number of locusts by carrying them across migration routes.
    • B They remove plastic and rubber from landfill sites.
    • C They help control locusts and other insects that may otherwise become pests.
    • D They guarantee that insect populations never get out of hand.
    • E They make waste food safer for other animals to consume.
    • F They prevent all disruptions to ecosystems along traditional routes.
    显示答案与解析 收起答案与解析

    正确答案：C

    原文先说 White storks feed on locusts and other insects，再用 that can become pests if their numbers get out of hand 说明捕食的生态价值，最后以 useful service 总结。正确项将“捕食行为 -> 抑制害虫数量”的隐含因果显化，属于六级常见的归纳式同义改写。

    压缩食物链 在 第7段 直接从 ecological role 跳读到引号前的最后两句，抓取 feed on 与 pests 这一组“行为-后果”搭配。将其压缩为“吃昆虫，抑害虫”，选择表达该生态服务的正确项。无需先处理 benefits versus risks 的开放性判断，因为它不是 role 的证据核心。

STRUCTURE · 篇章结构

5 个意群的说明文骨架

按说明文 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. P1

    现象引入：垃圾场改变鸟类迁徙行为

    这个 opening paragraph 直接 present 了一个令人关注的 phenomenon：人类制造的 massive rubbish dumps 和 landfills 正在 impact wildlife behavior，specifically 导致某些 birds 放弃 migration，转而在 waste sites 寻找 food 作为 winter feeding grounds。这是典型的说明文 topic introduction，用 uncomfortable impact 这样的表达来 establish 问题的严重性。

    作为说明文的 opening，这个意群 establish 了整篇文章要 explain 的 central phenomenon，即 landfills altering bird migration。它用 general statement 的方式 introduce 问题，为后续的 specific examples 和 detailed analysis 做铺垫，这是说明文 problem-solution 或 phenomenon-explanation 结构的典型 opening strategy。

    引出核心现象
  2. P2

    研究证据：白鹳迁徙路线的追踪发现

    这个意群 present 了 specific research evidence：German researchers 使用 GPS tags track 了 70 white storks 的 migrations，发现 while 许多鸟 followed traditional routes to warmer climates，others 却 stopped short 并在 landfills 上 overwinter，feeding on food waste 和 insects。这是说明文中典型的 evidence presentation，用 concrete data（70 birds, GPS tracking）来 support 前面的 general claim。

    这个意群在说明文结构中 serve 了 evidential function，它 transform 第一段的 general observation 成为 scientifically grounded fact。通过 introducing specific research methodology（GPS tracking）和 sample size（70 storks），它 establish 了文章的 credibility。同时它 narrow down 讨论范围到 white storks 这个 specific species，为后续 detailed analysis 设定 focus。

    提供实证数据
  3. P3 P4

    短期影响分析：垃圾场觅食的利弊评估

    这两段构成一个 analytical unit，focused on short-term consequences。第三段 present 了 positive aspect：birds following traditional routes 有 higher mortality 比那些在 Morocco landfills 过冬的 German storks，食物获取很 convenient。但同时 acknowledge potential dangers（rotten meat, plastic, toys）。第四段继续 elaborate risks：birds 可能 eat plastic 导致 death，或 consume toxic materials，long-term consequences 还 unknown。这是典型的 benefit-risk analysis structure。

    这个意群在说明文中 perform 了 critical analytical function，它 explore 主旨中提到的 'convenient food access and improved short-term survival' 以及 'health risks from toxic waste' 这两个 contrasting aspects。通过 juxtapose benefits 和 risks，它 add complexity to 简单的 observation，showing 这个 phenomenon 不是单纯 positive 或 negative。这是说明文常用的 balanced analysis approach。

    阐述行为后果
  4. P5 P6

    地理分布描述：不同种群的迁徙模式差异

    这两段 provide geographic and demographic details of the study。第五段 describe 不同 colonies 的 white storks 的 migration distances：Russian, Greek, Polish storks 飞到 South Africa，while Spanish, Tunisian, German ones 只到 Sahel。第六段 focus on Iberian peninsula 和 German storks 的 specific patterns，revealing 四分之六的 surviving German storks 在 northern Morocco landfills 过冬 instead of migrating to Sahel。这是 spatial distribution description，为前面的 analysis 提供 contextual details。

    这个意群在说明文中 serve 了 specification function，它 add geographic granularity to 之前的 general findings。通过 compare different populations 的 migration routes，它 show 主旨中的 'altering migration patterns' 不是 uniform phenomenon，而是 varies by origin。这种 detailed breakdown 是说明文常用的 elaboration strategy，它 prevent overgeneralization 并 demonstrate research thoroughness。

    展示模式差异
  5. P7

    长期影响探讨：不确定性与生态系统隐患

    最后一段 address long-term uncertainties 和 broader ecological implications。Flack 承认 'too early to know' 食物丰富的 benefits 是否 outweigh landfill risks。更重要的是，文章 expand scope beyond individual bird welfare，pointing out migrating birds 影响 ecosystems at both home 和 winter destinations。Disrupting traditional routes 可能产生 unexpected side effects，特别是 white storks 提供的 pest control service（feeding on locusts）可能受损。这是说明文 conclusion 部分典型的 implication discussion。

    这个 closing sense group 在说明文中 perform 了 expansion function，它 extend 讨论 from individual bird welfare to ecosystem-level consequences。通过 introduce the concept of 'disrupting traditional routes' 和 'unexpected side effects'，它 connect 主旨中 'may disrupt ecosystems that depend on their pest control services'。这是说明文常用的 concluding strategy：从 immediate phenomenon 延伸到 broader implications，leaving readers with awareness of complexity。

    揭示潜在后果
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2017年6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. 首段现象定位 P1

    说明文的首段通常会 present 核心现象 phenomenon 或问题 problem。这篇文章 第1段 直接点出 rubbish dumps and landfills 对 wildlife 的 impact，特别是导致 birds give up migration 这个核心现象 core phenomenon，这就是全文要 explain 的主题

  2. 研究对象锁定 P2

    第2段 通过 'Researchers in Germany' 和 'GPS tags to track' 明确了这是一个 scientific study，并具体化了研究对象是 white storks。这段将首段的 general phenomenon 具体化为 trackable research，同时再次强调 'stopped short' 和 'spent the winter on landfills' 这个 behavior change

  3. 利弊两面捕捉 P3 P4

    第3段 开头 'In the short-term, the birds seem to benefit' 指出 positive aspect，但紧接着 'not particularly appetising, or even safe' 和 第4段 的 'It's very risky' 明确提出 negative consequences。这种 two-sided analysis 是说明文主旨的关键组成部分

  4. 潜在影响延伸 P7

    第7段 通过 'too early to know' 和 'that's not the only uncertainty' 强调 未解的问题 unresolved questions，然后用 'disrupting traditional routes could have unexpected side effects' 和 ecosystem impact 扩展到 broader consequences。这表明主旨不仅是现象本身，还包括 potential ramifications

  5. 多维度整合 P1 P2 P3 P4 P7

    将前四步整合：现象是 landfills altering migration patterns（第1段-2），具体对象是 white storks（第2段），双面评价是 short-term benefits vs. health risks（第3段-4），扩展影响是 ecosystem disruption（第7段）。这四个维度构成完整主旨 complete thesis

主旨信号词 have led to P1 instead of P1 seem to benefit P3 very risky P4 long-term consequences P4 disrupting P7 unexpected side effects P7

MAIN IDEA · 主旨

这篇文章在说什么

垃圾填埋场正在改变白鹳的迁徙模式,一些鸟类放弃传统路线而在垃圾场过冬。虽然这提供了便利的食物来源并提高了短期存活率,但有毒废物带来健康风险,并可能破坏依赖其害虫控制服务的生态系统。
Landfills are altering white stork migration patterns, with some birds abandoning traditional routes to overwinter at waste sites. While this provides convenient food access and improves short-term survival, it poses health risks from toxic waste and may disrupt ecosystems that depend on their pest control services.
WORD INFERENCE · 生词推断

6 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。

  • sprawl 蔓延的、扩展的、占地广阔的

    让我们把这两条 clues 串联起来。首先，从 syntactic structure 来看，sprawling 和 massive 形成 parallelism，都是在修饰这些 waste sites 的 scale。其次，从 semantic context 出发，landfills 作为大型 waste disposal facilities，其最显著的 feature 就是占据广阔的 land area，向外扩展蔓延。将这两个 dimensions 结合，我们可以得出：sprawling 描述的是一种 spreading out over a large area 的状态，强调的是 spatial extension。

    并列结构语义场分析法
  • multitude 大量、众多、大批

    现在让我们整合这三个 layers of evidence。从 syntax 层面，multitudes of insects 与 food waste 并列，暗示 quantity 是关键 semantic feature。从 context 层面，insects thrive on dumps，说明 population 很大。从 morphology 层面，multi- prefix 直接关联到 many 的概念。三条线索共同指向同一个 conclusion：multitudes 表示的是 very large numbers 或 great quantities。

    三维数量词推断法
  • appetising 开胃的、诱人的、令人有食欲的

    让我们把这些 pieces 拼接起来。首先，从 sentence logic 看，appetising 与 safe 形成 gradation，前者涉及 attractiveness，后者涉及 safety，所以 appetising 应该描述 food 的 appeal。其次，context 中的 rotten meat 和 debris 直接印证了为什么这些 meals 不 appetising。最后，morphological analysis 显示 appetising 来自 appetite，意思是 stimulating desire to eat。三条 threads 汇聚到同一个 meaning：appetising 表示食物 attractive 或 appealing，能够 stimulate appetite。

    否定对比后例证推断法
  • debris 碎片、残骸、废弃物

    现在让我们 synthesize 这两条 clues。从 syntactic marker 'other' 来看，debris 与 rotten meat 同属 waste category。从 exemplification 'such as plastic bags and old toys' 来看，debris 涵盖各种 discarded human-made objects。将这两个 aspects 结合，我们得出：debris 是一个 umbrella term，指代各种 scattered waste materials 或 discarded fragments，特别是人类活动产生的 rubbish。

    例证归纳集合名词法
  • outweigh 超过、胜过、比...更重要

    让我们将这三个 layers of analysis 融合。从 syntax 角度，whether clause 建立了一个 comparative framework，outweigh 是这个 comparison 的 pivotal verb。从 context 角度，整篇 article 讨论的 trade-off between benefits and risks 为 outweigh 提供了 semantic backdrop，指向 exceeding in importance。从 morphology 角度，out- prefix 加上 weigh，literally means 'weigh more than'，metaphorically 表示在 significance 上超过。三条 evidence strands 共同支持同一个 conclusion：outweigh 表示在 importance, value, 或 significance 方面超过或胜过。

    比较语境前缀分解法
  • disrupt 打断、扰乱、破坏

    现在让我们 integrate 这三个 analytical strands。从 syntax perspective，disrupting 与 affect ecosystems 并列,都关涉 impact on natural systems，且 disrupting 带来 unexpected side effects。从 contextual reading，disrupting traditional routes 指的是 storks 改变了 long-established migration patterns，这种 deviation 可能带来 ecological consequences。从 morphology，dis- prefix 表示 negation 或 separation，暗示某种 breaking or interfering action。综合来看，disrupt 意思是 interrupt or interfere with normal functioning, causing disorder or problems。

    后果反推动作本质法
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。

  • 举例子

    P2 P3 P5 P6

    文章通过 white storks 这个 specific example 来说明 landfills 对 migratory birds 的影响。这个 concrete case 让抽象的 wildlife impact 变得 tangible and relatable,帮助读者理解 waste sites 如何 alter migration patterns。通过 storks 的 GPS tracking data,作者把 general phenomenon 转化为 verifiable evidence,增强了说明文的 credibility 和 persuasiveness。这个 example 贯穿全文,是文章 main thread,支撑了关于 landfills changing bird behavior 的 central argument。

    信号词 for example for instance such as take...as an example researchers found a case in point to illustrate consider specifically

    仿写： 写作时要选择 representative and detailed examples。问自己:这个 example 能否 clearly demonstrate 我要说明的 point?是否有 specific data or observations 支撑?比如本文不是泛泛说 birds,而是 narrow down to white storks,还有 GPS tracking 的 concrete numbers(70 storks, five months)。仿写模版:When explaining [general phenomenon], consider [specific case]. For instance, [concrete example with details]. This demonstrates [how example supports main point]。

  • 列数字

    P2 P6

    文章使用 precise numerical data 来增强 scientific credibility。比如 70 white storks, first five months, four out of six birds 这些 specific figures 让 research findings 具有 measurability。这些 numbers 不是 decoration,而是 evidence base,证明 research 的 rigor 和 findings 的 reliability。数字让 vague descriptions like 'some birds' 变成 quantifiable facts,支撑了关于 migration pattern changes 的 factual claims。

    信号词 approximately about nearly over more than up to as many as percentage ratio

    仿写： 使用数字时要 ensure relevance and accuracy。问自己:这个 number 是否 directly support 我的 explanation?是否来自 reliable source?避免 overwhelming readers with excessive data,选择 most impactful figures。比如本文用 '70 storks' 说明 sample size,用 'four out of six' 显示 proportion。仿写模版:Research involving [number] subjects revealed that [specific proportion/measurement] exhibited [phenomenon], demonstrating [significance of the finding]。

  • 作比较

    P2 P3 P5 P6

    文章通过 contrast different stork populations 来揭示 landfills 的 impact。比如 comparing Russian/Greek/Polish storks flying to South Africa 和 Spanish/German storks stopping at Sahel,还有 traditional migration routes versus landfill-based overwintering。这种 comparison highlights the divergence in behavior,让读者 clearly see how waste sites alter natural patterns。通过 juxtaposing survival rates of different groups,文章 demonstrates both benefits and risks of new behavior,支撑了关于 complex consequences 的 nuanced argument。

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

    仿写： 有效 comparison 需要 clear basis and meaningful contrast。选择 comparable subjects with significant differences。问自己:比较的 two elements 是否在 same category?Contrast 是否 illuminate key point?本文比较 same species 的 different populations,让 difference 归因于 environmental factor(landfills)而非 species variation。仿写模版:While [group A] follows [pattern A], [group B] exhibits [contrasting pattern B]. This difference reveals [insight about underlying cause or significance]。

  • 引资料

    P3 P4 P7

    文章通过 direct quotations from Andrea Flack 来增强 authority。这些 expert statements like 'For the birds it's a very convenient way to get food' 和 'They provide a useful service' 不仅 provide firsthand insights from researcher,还让 scientific findings 更 credible 和 relatable。引用 specialist from Max Planck Institute 增加了 institutional authority。这些 quotes 既 explain mechanisms 又 acknowledge uncertainties('We cannot estimate that yet'),展现了 scientific rigor,支撑了文章关于 complex and uncertain consequences 的 balanced perspective。

    信号词 said stated noted explained according to reported found that observed pointed out research shows studies indicate

    仿写： 引用要 select relevant and authoritative sources。问自己:这个 source 是否 qualified to speak on this topic?Quote 是否 directly support my point?要 integrate quotations smoothly,providing context before and after。本文先 introduce researcher's affiliation,然后 use quotes to explain specific findings。仿写模版:[Expert name] from [institution] notes that '[quotation providing key insight].' This [explains how quote supports main point]。

  • 作诠释

    P1 P3 P4 P7

    文章通过 explaining mechanisms and implications 来阐明 phenomena。比如解释 why storks stop at landfills('very convenient way to get food', 'huge clusters of organic waste'),clarifying risks('eat pieces of plastic', 'something toxic'),和 elaborating ecosystem roles('feed on locusts...become pests')。这些 interpretations 不只 state facts,而是 unpack meaning behind observations,帮助读者 understand causation and significance。通过 explaining both immediate benefits and potential long-term consequences,文章 provides nuanced understanding,支撑了关于 complex tradeoffs 的 main argument。

    信号词 because since due to as a result therefore this means in other words that is specifically essentially

    仿写： 有效 explanation 需要 break down complex ideas into understandable components。问自己:读者可能在哪里 confused?Which aspects need elaboration?使用 causal language('because', 'therefore')和 clarifying phrases('that is', 'in other words')。本文 explain convenience 后 immediately clarify composition of food source。仿写模版:[State phenomenon]. This occurs because [explain mechanism]. The significance lies in [interpret implications], which means [connect to broader context]。

IMPLIED MEANING · 言外之意

4 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。

  • 垃圾场带来的便利掩盖了潜在危害

    P3
    In the short-term, the birds seem to benefit from overwintering on rubbish dumps.

    情态词 seem to appear to might may could would possibly

    作者用 seem to benefit 这个 tentative expression 并非是在 genuinely praise 垃圾场的 advantages,而是在 strategically distance 自己 from a positive claim。接下来 Andrea Flack 的 quote 立即提到 not particularly appetising, or even safe 以及 rotten meat mixed with plastic,形成 sharp contrast。这个 implied meaning 对 main thesis 至关重要:它 establish 了一个 critical tone,暗示 short-term survival improvement 不能 justify 这种 behavior change,为后文 long-term health risks 和 ecosystem disruption 的 discussion 做好 铺垫。

  • 长期影响存在严重不确定性

    P4
    And we don't know about the long-term consequences. They might eat something toxic and damage their health. We cannot estimate that yet.

    模糊限制语 We cannot estimate that yet cannot estimate don't know we cannot tell it's unclear remains unknown yet to be determined

    Flack 使用 don't know 和 cannot estimate 并非是 neutral scientific caution,而是在 deliberately emphasize the gravity of uncertainty。在 already described immediate dangers (plastic ingestion, death) 之后,这个 admission of ignorance 实际在 suggest that long-term toxic effects 可能 far exceed 目前 observable problems。这对 article's thesis 形成 crucial support: 即使 short-term survival data looks positive,这个 massive knowledge gap about chronic health impacts 让整个 behavioral shift 显得 extremely problematic,强化了作者对 landfill-dependent migration 的 critical stance。

  • 食物充足的好处可能不敌风险

    P7
    Flack said it was too early to know whether the benefits of plentiful food outweighed the risks of feeding on landfills.

    模糊限制语 too early to know whether too early to know premature to conclude too soon to tell remains to be seen time will tell not yet clear

    Flack 的 too early to know 表面 neutral,实则在 cast doubt on 垃圾场 feeding 的 overall value。前三段 extensively documented death risks, toxic exposure, plastic ingestion,而 benefits 仅是 convenient food access 和 slightly better survival in one comparison。这个 imbalanced presentation 加上 too early to know 就在 imply: 作者 suspect the risks likely outweigh benefits,但需要 frame this cautiously 因为 long-term data 尚未 available。这对 thesis 的 support 在于 reinforce uncertainty 作为 key concern,让 readers question 这种 migration change 是否真是 adaptive strategy。

  • 生态系统连锁反应不可预知

    P7
    But that's not the only uncertainty. Migrating birds affect ecosystems both at home and at their winter destinations, and disrupting the traditional routes could have unexpected side effects.

    转折类 But that's not the only uncertainty but however yet nevertheless not the only moreover

    作者用 not the only uncertainty 并非 simply adding another concern,而是在 strategically elevate the stakes from individual bird welfare 到整个 ecosystem stability。前文 focus on birds' health and survival,这里 sudden shift 到 pest control services 和 locust populations 就在 imply: landfill feeding 的 consequences 远超 single species,可能 trigger cascade effects 影响 agricultural systems and human interests。这对 thesis 极为关键,因为它 transform 这个 issue from wildlife conservation concern 到 broader environmental and economic problem,大幅 strengthen 文章的 critical argument against 这种 behavioral change。

AUTHOR ATTITUDE · 作者态度

作者态度：客观中立

结论先行：本文作者态度为客观中立（ cautiously concerned neutrality）。下面是按步骤还原的判断过程与文中的态度信号词。

  1. 开篇定调词捕捉 P1

    因为说明文注重事实呈现，作者很少直接抒情，所以首段中出现的这类带有情感色彩的adjective（形容词）往往是作者态度的第一个线索，暗示了后续内容不会是单纯的positive（正面）报道。

  2. 专家引言情绪提炼 P3 P4

    因为作者本人在说明文里通常保持第三方立场，不会直接下结论，所以这些quote里的措辞其实是作者精心挑选出来代表自己想传达的态度，读懂quote里的情绪就等于读懂作者的态度。

  3. 利弊段落对照 P3 P4

    这种正反对照恰恰说明作者没有一边倒的偏见，而是想让读者看到问题的complexity（复杂性），这是典型的客观中立态度的写作手法。

  4. 尾段结论定调 P7

    因为说明文的结构通常遵循"现象-数据-分析-结论"的逻辑，结尾段的措辞浓度最高，最能代表作者综合前文所有证据后的真实态度，是判断态度最快最准的位置。

文中的态度信号词

  • uncomfortable P1

    "uncomfortable impacts"这个短语在说明文开篇就给垃圾场对鸟类的影响贴上了一层负面标签，暗示作者对这个现象并非completely positive（完全正面）看待。

    同类词 disturbing troubling unsettling

  • risky P4

    Flack用"very risky"来形容鸟类误食塑料的行为，这类danger词汇直接点出了作者想强调的风险面，平衡了前文提到的benefit。

    同类词 dangerous hazardous unsafe toxic

  • cannot estimate P4

    "We cannot estimate that yet"这句话直接暴露了研究者对long-term consequences（长期后果）的无知状态，作者借此传递出一种未有定论的中立立场。

    同类词 don't know uncertain unclear unpredictable

  • too early to know P7

    这句话出现在结尾段，是全文态度的收束句，直接告诉读者目前无法判断benefit是否outweigh（超过）risk，强化了整体的cautious neutrality。

    同类词 premature inconclusive not yet clear

  • useful service P7

    结尾提到白鹳能捕食蝗虫这类pest（害虫），提供"useful service"，这个positive词汇和前文的risk词汇形成呼应，说明作者并非单纯negative，而是维持一种全面权衡的态度。

    同类词 beneficial helpful valuable advantageous

GENRE · 速判体裁

30 秒判定这是一篇说明文

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说明文？

  1. 开篇陈述客观现象 P1

    本文第一段直接 constitute 了一个 observable fact：rubbish dumps 导致 birds 放弃 migration。这是在 presenting a phenomenon 需要解释，不是在 argue a position（议论文特征），也不是报道 recent event with 5W1H（新闻特征）。说明文会 establish 一个需要 explanation 的 subject matter。

  2. 引用研究数据解释 P2 P3 P5 P6

    第二段出现 researchers, GPS tags, track 这类 research methodology 的描述，第三段有 Andrea Flack, Max Planck Institute, found that 这种 citing research findings 的模式。这些是在 explaining the phenomenon through scientific investigation，不是为了 persuade readers（议论文），也不是 quoting sources about news events（新闻）。说明文的核心是 inform and explain through evidence。

  3. 层层递进解释机制 P1 P2 P3 P4 P5 P6 P7

    文章从现象（第1段）到研究方法（第2段）到发现的 benefits and risks（第3段-4）再到 different migration patterns（第5段-6）最后到 uncertainties and broader impacts（第7段），整个 structure 是在 layer by layer explain 这个现象的 various aspects。没有 thesis statement 要 defend（议论文标志），也没有 news lead 和 inverted pyramid（新闻标志）。这是典型的 expository structure。

  4. 三维快速识别法 P1 P2 P3 P4 P5 P6 P7

    这三个步骤能快速 distinguish 说明文因为它们抓住了 genre 的 defining features：说明文 presents knowledge objectively，uses evidence to explain rather than argue，follows explanatory logic rather than persuasive or news structures。本文完全符合这些 characteristics，通过 scientific research explain 一个 wildlife phenomenon，没有 author's position to defend，也没有 time-sensitive news to report。

哪些词暴露了说明文体裁？

  • constitute P1 事物定义与本质描述词 represent refer to is defined as means indicates
  • used P2 研究方法与过程描述词 employed applied conducted carried out performed
  • found that P3 研究发现与结果呈现词 discovered that showed that revealed that demonstrated that indicated that
  • There are P3 客观存在描述词 there are there is there exist there exists present
  • We cannot estimate P4 知识边界与不确定性表达词 cannot estimate don't know uncertain unclear remains to be seen
  • tracked P5 数据收集与观察动词 monitored followed observed recorded documented
  • describe how P6 过程与机制阐释词 explain how show how illustrate how demonstrate how detail how
  • too early to know whether P7 时间性知识限定词 too early to know premature to conclude not yet clear remains to be determined time will tell
  • affect P7 因果关系与影响描述词 influence impact cause lead to result in
SENTENCE INSIGHTS · 句子精讲

6 句真题句逐层精讲

下列真题句各有独立的句子解析页——中文翻译、结构树逐层拆解、成分与时态、考点讲解与真题高频词。点击句子进入完整解析。

FAQ · 常见问题

关于 Birds stop migrating as rubbish dumps provide winter feeding grounds 的常见问题

2017年6月英语六级真题第2套 Part III Section C (2) 文章 Birds stop migrating as rubbish dumps provide winter feeding grounds 的原文出自哪里？
The Guardian《卫报》2016,01,22 文章Birds stop migrating as rubbish dumps provide winter feeding grounds(由于垃圾堆提供冬季觅食区,鸟类停止迁徙)。
2017年6月英语六级真题第2套文章 Birds stop migrating as rubbish dumps provide winter feeding grounds 的主旨是什么？
垃圾填埋场正在改变白鹳的迁徙模式,一些鸟类放弃传统路线而在垃圾场过冬。虽然这提供了便利的食物来源并提高了短期存活率,但有毒废物带来健康风险,并可能破坏依赖其害虫控制服务的生态系统。（英文表述：Landfills are altering white stork migration patterns, with some birds abandoning traditional routes to overwinter at waste sites. While this provides convenient food access and improves short-term survival, it poses health risks from toxic waste and may disrupt ecosystems that depend on their pest control services.）
Birds stop migrating as rubbish dumps provide winter feeding grounds（2017年6月英语六级真题第2套文章）是什么体裁？难度如何？
体裁为说明文，作者立场是客观中立（cautiously concerned neutrality）。CEFR 难度 C1，全文 448 词、7 段；在英语六级全部 593 篇真题文章中，C1 级共 343 篇（占 58%）。
2017年6月英语六级真题第2套文章 Birds stop migrating as rubbish dumps provide winter feeding grounds 的篇章结构是怎样的？
全文 7 段按说明文骨架分为 5 个意群：第1段——现象引入：垃圾场改变鸟类迁徙行为；第2段——研究证据：白鹳迁徙路线的追踪发现；第3段、第4段——短期影响分析：垃圾场觅食的利弊评估；第5段、第6段——地理分布描述：不同种群的迁徙模式差异；第7段——长期影响探讨：不确定性与生态系统隐患。
Birds stop migrating as rubbish dumps provide winter feeding grounds 一文的作者态度是什么？
作者态度是客观中立（cautiously concerned neutrality）。判断路径：开篇定调词捕捉 → 专家引言情绪提炼 → 利弊段落对照 → 尾段结论定调；文中的态度信号词包括 uncomfortable（第1段）、risky（第4段）、cannot estimate（第4段）、too early to know（第7段）、useful service（第7段）。
2017年6月英语六级真题第2套文章 Birds stop migrating as rubbish dumps provide winter feeding grounds 中有哪些值得积累的生词？
按文中出现顺序共 6 个：sprawl（蔓延的、扩展的、占地广阔的）、multitude（大量、众多、大批）、appetising（开胃的、诱人的、令人有食欲的）、debris（碎片、残骸、废弃物）、outweigh（超过、胜过、比...更重要）、disrupt（打断、扰乱、破坏），每个词的词义都可以由文中上下文线索推断得出。

本页数据最后更新：