懒笔记
2017年6月英语四级真题第2套 Part II Section C (1)
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2017年6月英语四级真题第2套 Part II Section C (1)

说明文 · 听力 · 真题文章逐层精读

本页是 2017年6月英语四级真题第2套 Part II Section C (1) 文章的精读视角页——这篇说明文全文 231 词、4 段，CEFR 难度 B1（B1 级在英语四级文章中占 22%），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四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

4 段英文原文

以下为2017年6月英语四级真题第2套 Part II Section C (1) 的听力原文，共 4 段。左侧 P1–P4 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。

Wild carrots probably evolved with the other flowering plants about 360 million years ago. Like apples, carrots are native to Central Asia. That's why horses, which also come from Central Asia, like both apples and carrots so much.

With wild carrots, the roots are white, small and skinny, so you'd have to pick a lot of wild carrots to get enough to eat. Doctors used carrot seeds and roots as medicine, on the theory that foods that taste bad must be good for you.

Around 800 AD, people in Central Asia managed to develop a new kind of carrot—a purple carrot—that attracted more interest from international traders. Then, in the late 1500s, food scientists in the Netherlands cultivated large, straight, sweet, red carrots like the ones we eat today. But people still mostly fed carrots to horses, donkeys and pigs, and didn't eat them themselves. In the 1600s, people in China used carrots as medicine, but they also ate carrots boiled in soup. The red color was popular for Chinese New Year celebrations.

But carrots got their biggest boost during the two world wars, when food shortages forced people to eat them, and governments told everyone how healthy carrots were. Today, cooler countries grow most of the world's carrots. Machines do most of the planting and picking, and carrots are easy to store and ship, so they are cheap almost everywhere.

PARAGRAPHS · 逐段精读

4 段逐段主旨与解读

逐段拆解2017年6月英语四级真题第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 Central Asian Origins of Carrots

    Wild carrots evolved early and originated in Central Asia.

    这一段承担全文的 historical starting point 作用，把胡萝卜放回野生植物和中亚环境之中。它为后文 wild roots、selective breeding 以及现代胡萝卜的发展建立了清晰的 origin-to-development 逻辑起点。

    锁定起源信息
  2. P2

    Wild Carrots: Poor Food, Useful Medicine

    Wild carrots were unattractive as food and were mainly used as medicine.

    这一段展示了胡萝卜在早期尚未成为主流蔬菜的状态，即 wild form 难以食用、用途有限。它与后文 sweet, large, straight carrots 的培育成果形成对照，从而突出 cultivation 对胡萝卜命运的改变。

    由特征推用途
  3. P3

    The Cultivation and Changing Uses of Carrots

    Carrot cultivation created new varieties and gradually expanded their uses.

    本段是全文的 developmental core，具体说明野生胡萝卜如何经由 selective breeding 变成更大、更甜、更直的现代类型。与此同时，它说明胡萝卜的社会身份仍在过渡：虽然进入 trade 和 Chinese food culture，却尚未完全成为普遍的人类食物。

    串联时间节点
  4. P4

    From Wartime Necessity to Global Availability

    War and modern farming transformed carrots into cheap, widely available food.

    这一段完成全文的最终转化：胡萝卜从 earlier animal feed 和有限药用，变成 everyday food。它把 wartime change 与 modern agricultural efficiency 连起来，回应文章主旨中从野生根茎到 globally consumed vegetable 的终点。

    追踪因果链条
SELF CHECK · 段落自检题

4 道逐段细节自检题

针对2017年6月英语四级真题第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 horses apples and carrots

    Why do horses tend to like both apples and carrots?

    • A Because carrots were first grown as medicine for horses.
    • B Because apples and carrots are sweeter than other foods.
    • C Because all of them originated in Central Asia.
    • D Because horses helped spread carrots from the Netherlands.
    • E Because both foods are easy to store and ship.
    • F Because carrots were the main food of Central Asian horses.
    显示答案与解析 收起答案与解析

    正确答案：C

    该项完整复现了原文的因果链：apples are native to Central Asia，horses also come from Central Asia，随后 That's why 引出 horses like both apples and carrots。选项中的 originated 是对 native to 和 come from 的同义概括，all of them 则把三个对象整合起来。障碍在于原文没有使用 because 的直白句式，考生必须识别指代前文的 That's why，并把分散的两条来源信息进行合并。

    因果箭头回溯 时间极紧时，不必从头阅读。直接抓题干中的 horses 加并列结构 apples and carrots，跳读锁定 第1段；随后只读包含该组合的句子及其前两句。采用“因果箭头回溯法”：看见结论性表达时，立即向前找它所指向的共同原因，再在选项中寻找同义压缩表达。正确项就是唯一同时覆盖三个对象且保持因果方向的选项。

  2. 第 2 段 定位词 doctors seeds and roots as medicine

    Why did doctors use carrot seeds and roots as medicine?

    • A They found that carrot roots could cure hunger quickly.
    • B They wanted to make wild carrots taste sweeter.
    • C They considered white carrots more nutritious than purple ones.
    • D They believed that bad-tasting foods were good for people's health.
    • E They needed a cheap medicine for farm animals.
    • F They believed that all carrot varieties had the same medical value.
    显示答案与解析 收起答案与解析

    正确答案：D

    该项准确改写了 on the theory that foods that taste bad must be good for you。believed 对应 on the theory，bad-tasting 对应 taste bad，good for people's health 对应 good for you。命题障碍在于原文的 must 带有主观臆断色彩，选项用 believed 保留了“当时观念”而非客观事实；考生若把这句话当成现代营养结论，就容易误选。

    理论标签筛选 紧张时先抓 doctors 和 as medicine，直接定位 第2段。之后使用“观点标签法”：只看动作句中紧随其后的解释标记，把 theory 标为“历史信念”，不把它当作客观事实。再扫选项，正确项应保留 belief 的语气，并把味觉判断转换为健康判断；任何新增疗效、对象或比较的选项均可快速排除。

  3. 第 3 段 定位词 food scientists the Netherlands in the late 1500s

    What did food scientists in the Netherlands accomplish in the late 1500s?

    • A They developed purple carrots for international traders.
    • B They first used carrots as medicine in China.
    • C They began feeding carrots mainly to pigs and donkeys.
    • D They made red carrots popular during Chinese New Year.
    • E They cultivated large, straight, sweet, red carrots.
    • F They produced white, small, skinny carrots for local markets.
    显示答案与解析 收起答案与解析

    正确答案：E

    该项对原文 cultivated large, straight, sweet, red carrots 作了几乎等值的复述，行动主体、地点、时间和成果均完全对应。障碍在于段落还出现 purple carrot、medicine、boiled in soup、Chinese New Year 等显眼词，考生若不以 late 1500s 为边界，就会把不同阶段或不同地区的细节误选进来。

    时空主体交叉 直接使用“时空主体三点交叉法”：先在题干圈出 late 1500s、the Netherlands、food scientists，再到 第3段 只找三点同时成立的分句。无需通读该段其余历史材料。最后以 cultivated 后的名词短语为标准，正确项必须保留培育行为及其产品特征；凡是年份、国别或主体有一项漂移的选项立即排除。

  4. 第 4 段 定位词 cheap almost everywhere today

    Why are carrots cheap almost everywhere today?

    • A Because food shortages during the wars reduced demand for carrots.
    • B Because governments sell carrots at low prices worldwide.
    • C Because carrots are grown only in cooler countries.
    • D Because red carrots became popular in international trade.
    • E Because wild carrots have large roots that are easy to pick.
    • F Because machines handle much of the work and carrots are easy to store and transport.
    显示答案与解析 收起答案与解析

    正确答案：F

    该项将原文的两类直接原因整合起来：machines do most of the planting and picking 对应 machines handle much of the work，easy to store and ship 对应 easy to store and transport。二者共同通过 so 导向 cheap almost everywhere。障碍在于段首的 food shortages 和 governments told everyone how healthy carrots were 也很醒目，但它们解释的是战时消费增长，不是当今低价的直接生产流通原因。

    so前截取机制 最快路径是抓 cheap almost everywhere，直接跳至 第4段 的末句，再执行“so 前截取法”：只读取 so 之前紧邻的并列机制，不回看更早的战争叙述。然后用经济常识作极小验证，不是凭常识补答案，而是确认哪一项同时对应劳动成本下降和物流便利。正确项是唯一完整保留这两条机制的选项。

STRUCTURE · 篇章结构

4 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

    胡萝卜的起源与自然特征

    这个 opening segment 介绍了 wild carrots 的 evolutionary origin，追溯到 360 million years ago，并点明其 native region 是 Central Asia，还解释了为什么 horses 喜欢 carrots，建立了 biological and geographical context。

    作为 expository article 的 introduction part，这个意群提供了 historical baseline，让读者了解 carrots 的 starting point，为后续讲述 cultivation development 和 transformation 奠定 foundational context。

    说明对象的起源地和原始形态
  2. P2

    野生胡萝卜的自然特征与早期用途

    这个 segment 具体描述了 wild carrots 的 physical characteristics（white, small, skinny roots），并说明其作为 medicine 的 early application，呈现了 pre-cultivation stage 的 practical aspects。

    在 developmental narrative 中，这个意群 establishes the problem：wild carrots 的 unfavorable traits（需要 pick a lot 才够吃）暗示了 breeding necessity，为接下来的 cultivation breakthrough 提供 motivation 和 contrast，符合说明文中 problem-solution structure。

    人工培育前的原始状态
  3. P3

    人工培育与品种改良的历史进程

    这个 extended segment 追踪了 cultivation history，从 800 AD 的 purple carrot development，到 1500s 的 Netherlands breeding（产生 modern red variety），再到 1600s 的 Chinese culinary adoption，展现了 selective breeding 和 cultural diffusion 的 progressive stages。

    这是 expository structure 的 development core，detailed chronology 展示了 how transformation happened。通过 multiple time points 和 geographical shifts（Central Asia → Netherlands → China），说明文呈现了 cultivation as evolutionary process，这是 connecting wild origin 和 modern consumption 的 critical bridge。

    培育技术突破与品种演变
  4. P4

    现代普及与全球化生产

    这个 concluding segment 描述了 20th century 的 popularity boost（因为 world wars 和 food shortages），以及 contemporary situation：mechanized production, easy storage, global availability，complete 了 from wild plant to commodity 的 transformation narrative。

    作为 expository conclusion，这个意群 brings the story to present，showing the outcome of historical development。通过 contrasting wartime necessity 和 today's abundance（cheap almost everywhere），说明文 demonstrates complete transformation，同时 modern production details（machines, storage, shipping）provide concrete evidence of how carrots became globally consumed vegetable。

    大规模推广与现代化生产
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月英语四级真题第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四级文章。

  1. 首段定位主题对象 P1

    说明文的 opening paragraph 通常会 introduce the main topic，这里明确提到 wild carrots 和它们的 evolutionary origin，直接告诉我们文章的 subject matter 是胡萝卜的历史发展。First sentence 中的 evolved 和 360 million years ago 立刻暗示这是一个 historical explanation。

  2. 时间标记追踪变化 P2 P3 P4

    从 第2段 的 wild carrots，到 第3段 的 around 800 AD 和 late 1500s，再到 第4段 的 two world wars 和 today，清晰的 time progression 表明这是一个 chronological explanation。Time markers 是判断说明文 organizational pattern 的关键，chronological structure 通常意味着文章在 explaining development or evolution。

  3. 核心属性变化对比 P2 P3

    胡萝卜的 attributes 在不断变化：wild carrots 是 white, small and skinny，然后 developed into purple carrot，最后 cultivated into large, straight, sweet, red carrots。这些 specific descriptors 的 progression 揭示了文章的 focus：selective breeding 带来的 physical transformation。同时，用途也在变化：from medicine 到 animal feed 再到 human consumption。这两条 transformation lines 构成了文章的 core content。

  4. 转折点与驱动力 P3 P4

    第3段 中的 managed to develop 和 cultivated，第4段 中的 food shortages forced people 和 governments told everyone，这些表达揭示了 change 的 driving forces：selective breeding、cultural adoption、wartime necessity。说明文的主旨不仅是 what changed，还包括 why it changed。这些 causal expressions 帮助我们理解文章不只是 listing facts，而是 explaining transformation process。

  5. 要素整合成主旨陈述 P1 P2 P3 P4

    将前面步骤整合：首段确立了 subject（carrots）和 historical angle（evolutionary origin），中间段展示了 chronological development（wild → purple → red）和 transformation（animal feed → human food），末段点明了 culminating factors（wars, modernization）和 current status（globally consumed）。这个 complete picture 就是文章主旨：a historical explanation of how carrots transformed from wild roots to modern vegetables through breeding, culture, and necessity。

主旨信号词 evolved P1 around 800 AD P3 managed to develop P3 forced P4

MAIN IDEA · 主旨

这篇文章在说什么

本文解释了胡萝卜的进化历史和栽培发展,从中亚的野生白色根茎到现代红色品种,描述了选择性育种、文化用途和战时需求如何将胡萝卜从动物饲料转变为全球消费的蔬菜。
This article explains the evolutionary history and cultivation development of carrots, from wild white roots in Central Asia to modern red varieties, describing how selective breeding, cultural uses, and wartime necessity transformed carrots from animal feed into a globally consumed vegetable.
WORD INFERENCE · 生词推断

3 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。已收录进英语四级高频真题词集的单词可点击进入词条页。

  • evolve （生物）进化、演化

    现在我们把这些 clues 串起来：首先，evolved 发生在 360 million years ago 这样的 deep time，这不是短期变化；其次，它与 develop 形成对比，develop 是人为的，evolved 则是 natural；最后，词根本身就暗示了 gradual unfolding。综合这三点，evolved 描述的是生物在漫长时间里通过 natural process 逐渐发生的根本性变化。

    时间跨度定性质,人为对比辨自然
  • cultivate 栽培、培育

    让我们整合这些 evidence：cultivated 的 agent 是 food scientists，说明这是 skilled work；它产生了 specific, desirable traits，说明这是 intentional selection；它与 develop 近义但更强调 process；词根直接指向 tending crops。所有这些 clues 都指向一个 systematic agricultural practice。

    施动者专业度看精细度
  • boost 推动、促进、提升

    综合来看：boost 发生在 carrots 从 unpopular 变成 common 的 critical period；它与 government promotion 和 forced consumption 同时发生；biggest 说明它是 measurable 和 significant 的。这些 clues 共同指向一个意思：boost 是使某物 popularity 或 usage 显著增加的 push。

    转折前后找落差,程度修饰看强度
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。

  • 列数字

    P1 P3

    文章在开头用了 360 million years ago 这个具体的 time marker，精确地 pinpoint 了 wild carrots 的 evolutionary origin。这个数字让 abstract 的 evolution concept 变得 concrete and measurable，帮助 readers 建立起 carrots 的 ancient history 这个概念。同时 800 AD 和 late 1500s 这些 specific dates 串联起了 cultivation timeline，让 carrot development 的 historical progression 变得清晰可追踪，support 了文章关于 carrots 从 wild form 到 modern variety 的 transformation narrative。

    信号词 360 million years ago 800 AD late 1500s 1600s around in by during

    仿写： 当你需要 describe historical development 或 timeline 时，问自己：这个 event 发生在什么 specific time？能否用 precise numbers 来 anchor 这个 narrative？比如写 smartphone evolution，不要只说 "smartphones developed rapidly"，而要说 "The first iPhone launched in 2007, and by 2023, over 6.8 billion people owned smartphones"。 仿写模版：[Subject] + [evolved/developed/emerged] + [specific time/number] + ago/in [year]。例如：Modern coffee culture emerged around 400 years ago in European coffeehouses.

  • 作比较

    P2 P3

    文章在 第2段 中 contrast 了 wild carrots 和后来的 cultivated varieties——wild roots 是 white, small and skinny，这个 description 通过 comparison 突出了 selective breeding 的 impact。到 第3段 时，文章又 contrast purple carrots 和 modern red carrots，showing 了 cultivation progress。这种 before-and-after comparison 是整个 transformation narrative 的 backbone，让 readers 直观地 grasp 人类如何通过 cultivation 彻底 改变了 carrots 的 characteristics。这个 contrast 也 supports 文章的 central thesis：carrots 经历了从 undesirable wild plant 到 commercially valuable crop 的 dramatic transformation。

    信号词 while whereas but in contrast unlike compared to on the other hand

    仿写： 当 describing transformation 或 development 时，思考：original state 和 current state 的 key differences 是什么？选择 vivid adjectives 来 characterize 每个 stage。比如讨论 smartphone evolution，可以说 "Early mobile phones were bulky, expensive and limited to calls, while modern smartphones are sleek, affordable and function as portable computers"。 仿写模版：[Original form] + be + [negative/limited adjectives], while/whereas [developed form] + be + [positive/enhanced adjectives]。例如：Wild tomatoes were small and bitter, whereas cultivated tomatoes are large and sweet.

  • 举例子

    P1 P3

    文章用 horses liking apples and carrots 作为 concrete example 来 illustrate Central Asian origin 这个 geographic connection。这个 specific instance 让 abstract 的 evolutionary geography 变得 relatable and memorable。第3段 中 Chinese New Year celebrations 也是个 vivid example，showing 了 cultural adoption 的 specific context。这些 examples 不只是 decoration，它们 ground abstract historical claims in tangible details，helping readers visualize 和 remember 这些 information。特别是 horses 这个 example，它 cleverly links three Central Asian natives（horses、apples、carrots），creating a memorable association。

    信号词 That's why for example for instance such as like including take ... for example

    仿写： 当 making general statements about origins 或 connections 时，问：有什么 familiar、具体的 example 能 demonstrate 这个 relationship？选择 readers 能 relate to 的 instances。比如 explaining Internet's military origins，可以说 "That's why early Internet protocols prioritize reliability over speed—they were designed for military communications that couldn't afford to fail"。 仿写模版：[General statement]. That's why [specific example] + [action/characteristic]。例如：Coffee originated in Ethiopia. That's why Ethiopian coffee ceremonies remain the most elaborate in the world.

  • 分类别

    P1 P2 P3 P4

    文章按照 chronological categories 把 carrot development 分成了几个 distinct phases：wild white carrots（360 million years ago）、purple carrots（800 AD）、red carrots（late 1500s）、和 modern industrial carrots（today）。这种 categorical organization 让 complex evolutionary history 变得 structured and digestible。每个 category 都有 distinctive characteristics（color、size、use），这种 systematic classification helps readers 理解 carrots 不是 suddenly transformed，而是 through gradual stages。这个 technique 直接 supports 文章主旨，因为它 clearly maps out the transformation pathway from wild to cultivated。

    信号词 types kinds categories phases stages first second then today

    仿写： 当 explaining evolution 或 development 时，identify natural breaking points based on significant changes。问自己：what are the major stages？each stage 有什么 defining features？比如 describing computer evolution，可以说 "First-generation computers (1940s-1950s) used vacuum tubes and filled entire rooms; second-generation (1950s-1960s) used transistors and became desk-sized; third-generation (1960s-1970s) used integrated circuits"。 仿写模版：[Time period 1] + [characteristic A], [time period 2] + [characteristic B], [time period 3] + [characteristic C]。确保每个 category 有 clear defining trait。

  • 作诠释

    P2 P4

    第2段 中 "on the theory that foods that taste bad must be good for you" 这句是 classic explanation，它 interprets 古代医生为什么用 carrots as medicine 的 underlying reasoning。这个 interpretive statement 不是 simply stating a fact，而是 explaining the logic behind a practice。这种 clarification 帮助 modern readers understand ancient perspectives，bridging historical mindsets。第4段 中对 carrot popularity 的 explanation（food shortages forced people、governments promoted health benefits）也是 interpretive——它 unpacks the causes behind 一个 historical phenomenon，making implicit connections explicit。

    信号词 on the theory that because since as the reason is this explains why due to on the belief that

    仿写： 当 presenting historical practices 或 phenomena 时，不要 stop at surface description。问：what was the thinking behind this？what caused this change？Add interpretive phrases 来 reveal underlying logic。比如 discussing why ancient Egyptians mummified bodies，可以说 "They preserved bodies on the belief that the soul needed a physical vessel for the afterlife"。 仿写模版：[Action/practice] + on the theory/belief/assumption that [underlying reasoning]; 或 [Phenomenon] + because/as [causal explanation]。例如：Medieval doctors used leeches on the theory that illness resulted from excess blood.

IMPLIED MEANING · 言外之意

5 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。

  • 野生胡萝卜食用价值低

    P2
    the roots are white, small and skinny, so you'd have to pick a lot of wild carrots to get enough to eat

    因果关系类 so therefore thus hence consequently as a result that's why

    表面在描述 wild carrots 的 physical characteristics,但通过 'so you'd have to pick a lot' 这个 consequence,作者实际传递的是 'wild carrots were not practical for human consumption' 这个判断 evaluation。这为后文的 cultivation development 提供了 motivation context - 正是因为 wild variety 不够 practical,humans 才需要 develop better varieties。这个 impracticality 的暗示为整篇文章的 transformation narrative 埋下伏笔 foreshadowing,解释了 why selective breeding was necessary。

  • 胡萝卜味道差但被认为有药用价值

    P2
    Doctors used carrot seeds and roots as medicine, on the theory that foods that taste bad must be good for you

    委婉质疑类 on the theory that supposedly it was believed that reportedly allegedly the idea was that people thought that

    表面在陈述 historical medical use,但 'on the theory that foods that taste bad must be good for you' 这个 phrasing 传递了 subtle irony 和 skepticism。作者在暗示 this reasoning was flawed or naive,即 ancient people 的判断基于 unfounded correlation 而非 scientific evidence。这个 implicit critique 服务于文章主旨:展现人类对 carrots 的理解和利用经历了从 superstitious/medicinal 到 scientific cultivation 的 progression,突出了 modern understanding 的 advancement。这种对 historical misconceptions 的委婉质疑 reinforces 整个 evolutionary narrative。

  • 紫色胡萝卜比野生品种更有商业价值

    P3
    people in Central Asia managed to develop a new kind of carrot—a purple carrot—that attracted more interest from international traders

    情态词类 managed to succeeded in were able to finally eventually at last accomplished

    表面在陈述 purple carrot 的 development,但 'managed to' 暗示这是个 significant achievement,而 'attracted more interest from international traders' 揭示了 commercial breakthrough 的 implication。作者在传递:这标志着 carrots from marginal plant to trade commodity 的转变 transition。这个 commercial success 的暗示为文章主旨服务 - 展现 carrots 如何通过 selective breeding 逐步获得 economic and cultural value,为后文 Dutch cultivation 的 further refinement 和 eventual global acceptance 铺垫 logical progression。'Managed to' 这个词选择本身就在构建 innovation narrative。

  • 改良后的红胡萝卜仍未成为人类主食

    P3
    food scientists in the Netherlands cultivated large, straight, sweet, red carrots like the ones we eat today. But people still mostly fed carrots to horses, donkeys and pigs, and didn't eat them themselves

    转折类 But but however yet nevertheless nonetheless still

    表面在陈述 Dutch cultivation success 和 usage pattern,但 'But people still mostly fed carrots to...' 这个转折暗示了 cultural perception lag behind technological advancement。尽管 carrots 已经 improved significantly,但仍被视为 animal feed rather than human food,揭示了 social acceptance 的 slowness。这个 lag 的暗示对文章主旨至关重要 - 它解释了 why wartime necessity (第4段提到的) was needed to finally change perception。这个 'still' 传递的 persistence of old attitudes 为后文 'forced people to eat them' 提供了 logical necessity,构建了 complete transformation narrative from botanical improvement to social acceptance。

  • 战争迫使人们食用并接受胡萝卜

    P4
    food shortages forced people to eat them, and governments told everyone how healthy carrots were

    强制性语气类 forced compelled obliged had to were required to had no choice but to were driven to

    表面在陈述 wartime events,但 'forced people to eat them' 暗示了 carrots' acceptance 不是 natural or voluntary,而是 circumstance-driven。这个 compulsion 加上 government propaganda ('told everyone how healthy') 的组合,揭示了 social attitude transformation 需要 crisis catalyst 和 official intervention。作者在传递:carrots 从 animal feed 到 human staple 的最终转变 wasn't due to gradual appreciation,而是 forced adaptation that later became habit。这个 'forced acceptance leading to normalization' 的暗示是文章主旨的 climax - 解释了 how an unwanted crop became 'cheap almost everywhere' in modern times。War as catalyst 的主题完成了整个 transformation arc from wild plant to global commodity。

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（ Informative and appreciative of agricultural development）。下面是按步骤还原的判断过程与文中的态度信号词。

  1. 开篇句式识别 P1

    Opening sentence 直接说 'Wild carrots probably evolved'，用的是 evolutionary timeline 和 factual statements，没有 subjective judgments，这是典型的 informative exposition，表明作者在 objectively presenting information 而非 arguing a position。

  2. 时间线索追踪 P1 P2 P3 P4

    文章明显按 time sequence 推进：'360 million years ago' → 'around 800 AD' → 'late 1500s' → '1600s' → 'two world wars' → 'today'，这种 timeline structure 是 expository writing 的标志，显示作者在 systematically documenting history 而不是 selectively presenting evidence 来 support a biased view。

  3. 评价性语言识别 P2 P3 P4

    虽然文章提到 'managed to develop', 'attracted more interest', 'got their biggest boost'，但这些都是 describe objective outcomes 和 historical developments，没有用 'brilliantly achieved', 'unfortunately failed', 'remarkably transformed' 这类带 strong personal evaluation 的表达，显示作者保持 observational distance。

  4. 多维度综合验证 P1 P2 P3 P4

    三个维度的一致性 confirm 了 author's attitude：factual opening + chronological structure + neutral language = informative exposition with objective tone。偶尔出现的 'managed to', 'biggest boost' 等词显示对 agricultural advancement 的 subtle positive regard，但这种 appreciation 是 embedded in factual context 而非 overtly persuasive。

文中的态度信号词

  • probably evolved P1

    'Probably' 这个 modal adverb 显示作者在 present scientific hypothesis 而非 assert absolute truth，这种 tentative language 是 academic objectivity 的标志，表明作者保持 scholarly caution 而不是 push definitive claims。

    同类词 likely developed appears to have originated seems to have emerged is believed to have evidence suggests

  • managed to develop P3

    'Managed to' 既 acknowledge the difficulty 又 recognize the achievement，这是 balanced expression，显示作者对 agricultural advancement 有 mild positive regard，但用词 restrained 而不是 'brilliantly achieved' 或 'remarkably transformed' 那样 overtly enthusiastic。

    同类词 succeeded in creating were able to cultivate accomplished achieved successfully produced

  • on the theory that P2

    这个 phrase 表明作者在 report historical practices 和 their rationale 而不是 endorse them，作者保持 observational distance，neither supporting nor criticizing the ancient medical theory，这是 objective documentation 的典型手法。

    同类词 based on the belief that on the assumption that under the notion that with the idea that

  • got their biggest boost P4

    'Biggest boost' 是 describe a turning point in carrot cultivation history，用词相对 neutral 且 factual，虽然 'boost' 有 slightly positive connotation，但在 historical context 中主要是 describe the reality of increased consumption，不是 glorify war-time policies。

    同类词 received major impetus gained significant momentum experienced considerable growth saw substantial increase

  • forced people to eat P4

    'Forced' 这个词 acknowledge the coercive nature of wartime circumstances，但作者没有用 'tragically forced' 或 'cruelly compelled' 这类 emotionally charged modifiers，保持 factual description of historical necessity，既不 glorify 也不 condemn。

    同类词 forced people to compelled people to necessitated made people required people to

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四级 真题文章。

如何快速判断这是一篇说明文？

  1. 首句引入说明对象 P1

    说明文的 opening 通常直接 present 说明对象（比如 wild carrots），而议论文会 state a claim 或 opinion，新闻报道则会突出 recent event 和 time marker

  2. 时间顺序组织信息 P1 P2 P3 P4

    这篇文章明显按 chronological order 展开（360 million years ago → 800 AD → 1500s → 1600s → world wars → today），这是典型的 expository structure；议论文会用 claim-support pattern，新闻报道用 inverted pyramid structure

  3. 客观陈述性动词 P1 P2 P3 P4

    文中使用 objective statements（wild carrots probably evolved, people managed to develop）而非 subjective judgments（carrots are the best, we should eat more carrots）；也没有新闻报道的 attribution verbs（according to, officials said, sources reveal）

  4. 系统呈现知识信息 P1 P2 P3 P4

    全文 purpose 是 explain the history and development of carrots，没有 argue for a position（议论文特征），也没有 report a recent event with journalistic urgency（新闻特征）；结尾是 informative summary（today's situation）而非 conclusion with recommendation 或 latest update

哪些词暴露了说明文体裁？

  • evolved P1 事物起源与演变词 come from native to originated developed from emerged
  • Like P1 类比说明词 similar to just as in the same way comparable to resemble
  • That's why P1 因果关系解释词 because due to as a result therefore thus
  • probably P1 科学不确定性限定词 likely possibly may might perhaps
  • Around 800 AD P3 时间顺序标记词 in the 1600s in the late 1500s then today during
  • managed to develop P3 过程成就描述词 cultivated created produced achieved invented
  • But P3 转折对比关联词 However Yet Nevertheless Although While
  • Today P4 现状总结标记词 Currently Now At present Nowadays In modern times
SENTENCE INSIGHTS · 句子精讲

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FAQ · 常见问题

关于 2017年6月英语四级真题第2套 Part II Section C (1) 的常见问题

2017年6月英语四级真题第2套 Part II Section C (1) 文章的主旨是什么？
2017年6月英语四级真题第2套 Part II Section C (1) 文章解释了胡萝卜的进化历史和栽培发展,从中亚的野生白色根茎到现代红色品种,描述了选择性育种、文化用途和战时需求如何将胡萝卜从动物饲料转变为全球消费的蔬菜。（英文表述：This article explains the evolutionary history and cultivation development of carrots, from wild white roots in Central Asia to modern red varieties, describing how selective breeding, cultural uses, and wartime necessity transformed carrots from animal feed into a globally consumed vegetable.）
2017年6月英语四级真题第2套 Part II Section C (1) 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（Informative and appreciative of agricultural development）。CEFR 难度 B1，全文 231 词、4 段；在英语四级全部 511 篇真题文章中，B1 级共 113 篇（占 22%）。
2017年6月英语四级真题第2套 Part II Section C (1) 文章的篇章结构是怎样的？
全文 4 段按说明文骨架分为 4 个意群：第1段——胡萝卜的起源与自然特征；第2段——野生胡萝卜的自然特征与早期用途；第3段——人工培育与品种改良的历史进程；第4段——现代普及与全球化生产。
2017年6月英语四级真题第2套 Part II Section C (1) 文章的作者态度是什么？
作者态度是客观中立（Informative and appreciative of agricultural development）。判断路径：开篇句式识别 → 时间线索追踪 → 评价性语言识别 → 多维度综合验证；文中的态度信号词包括 probably evolved（第1段）、managed to develop（第3段）、on the theory that（第2段）、got their biggest boost（第4段）、forced people to eat（第4段）。
2017年6月英语四级真题第2套 Part II Section C (1) 文章中有哪些值得积累的生词？
按文中出现顺序共 3 个：evolve（（生物）进化、演化）、cultivate（栽培、培育）、boost（推动、促进、提升），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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