懒笔记
2022年考研英语一真题 Section I Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say
Postgraduate · 来自 2022年考研英语一真题 · Section I · 完形填空（四选一）

Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say

2022年考研英语一真题文章逐层精读

Live Science《生活科学》2019年7月10日文章 Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say(脾气火爆的科学家:不要在植物身上浪费你的感情了,它们没有感觉)。

本页是 2022年考研英语一真题 Section I 文章的精读视角页——这篇议论文全文 280 词、6 段，CEFR 难度 C1（C1 级在考研英语一文章中占 90%），作者立场为「消极批判」；英文原文之外，本篇已有的 11 项精读维度逐项展开，其中能迁移到其他考研英语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

6 段英文原文

以下为2022年考研英语一真题 Section I 的完形填空（四选一）原文，共 6 段。左侧 P1–P6 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。

Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say

The idea that plants have some degree of consciousness first took root in the early 2000s; the term "plant neurobiology" was coined around the notion that some aspects of plant behavior could be compared to intelligence in animals. Though plants lack brains, the firing of electrical signals in their stems and leaves nonetheless triggered responses that hinted at consciousness, researchers previously reported.

But such an idea is untrue, according to a new opinion article. Plant biology is complex and fascinating, but it differs so greatly from that of animals that so-called evidence of plants' intelligence is inconclusive, the authors wrote.

Beginning in 2006, some scientists have argued that plants possess neuron-like cells that interact with hormones and neurotransmitters, forming "a plant nervous system, analogous to that in animals," said lead study author Lincoln Taiz. "They even claimed that plants have 'brain-like command centers' at their root tips."

This perspective makes sense if you simplify the workings of a complex brain, reducing it to an array of electrical pulses; cells in plants also communicate through electrical signals. However, the signaling in a plant is only superficially similar to the firing in a complex animal brain, which is more than "a mass of cells that communicate by electricity," Taiz said.

"For consciousness to evolve, a brain with a threshold level of complexity and capacity is required," he added. "Since plants don't have nervous systems, the chances that they have consciousness are effectively zero."

And what's so great about consciousness, anyway? Plants can't run away from danger, so investing energy in a body system which recognizes a threat and can feel pain would be a very poor evolutionary strategy, according to the article.

PARAGRAPHS · 逐段精读

6 段逐段主旨与解读

逐段拆解2022年考研英语一真题 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 Rise of Plant Consciousness Theory

    The paragraph introduces the origin and basis of the claim that plants may be conscious.

    本段承担 opening background 的作用，它先呈现“植物有意识”的流行说法及其依据，进而使全文后续的 refutation 有明确的批驳目标。

    抓首段争议背景
  2. P2

    A Direct Rejection of Plant Intelligence

    The paragraph states the article's opposing view that evidence for plant consciousness is inconclusive.

    本段是全文的 thesis paragraph，它明确提出反对植物意识论的中心判断，并预告后文将从植物与动物的 biological difference 出发进行论证。

    抓住But后的否定
  3. P3

    Claims for a Plant Nervous System

    The paragraph outlines scientists' claims that plants possess an animal-like nervous system and brain-like centers.

    本段在结构上补充了 opposing side 的具体论据，使后文对“电信号相似性”的反驳更有针对性，也让作者的否定立场显得不是无依据的断言。

    辨明他人主张
  4. P4

    Superficial Similarity, Fundamental Difference

    The paragraph argues that plant electrical signaling is only superficially similar to animal brain activity.

    本段是全文最关键的 rebuttal 之一，它直接拆解了支持者把植物电信号等同于动物神经活动的逻辑，从证据层面削弱 plant intelligence 的基础。

    区分表象与本质
  5. P5

    Why Plants Cannot Be Conscious

    The paragraph concludes that plants cannot be conscious because they lack the necessary neural complexity.

    本段把前文“相似只是表面”的反驳推进为 decisive conclusion，即植物在生理结构上不具备意识的必要条件，从而有力支撑全文中心论点。

    串起条件与结论
  6. P6

    The Evolutionary Cost of Consciousness

    The paragraph argues that consciousness would be evolutionarily useless and costly for immobile plants.

    本段从 evolutionary strategy 提供最后一层支持，它不仅说明植物缺少意识的结构条件，还说明意识对 immobile plants 没有适应性收益，进一步完善全文的反对论证。

    从不能逃跑看代价
SELF CHECK · 段落自检题

6 道逐段细节自检题

针对2022年考研英语一真题这篇原文，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 plant neurobiology

    The concept of "plant neurobiology" was originally proposed based on the assumption that ________.

    • A plants possess a brain-like structure in their stems
    • B electrical signals in plants are identical to those in animals
    • C plants might exhibit behaviors comparable to animal intelligence
    • D plant neurobiology is a well-established branch of animal science
    • E researchers have proved the existence of plant consciousness
    • F intelligence is a unique trait found only in complex plants
    显示答案与解析 收起答案与解析

    正确答案：C

    该选项是对原文中 "some aspects of plant behavior could be compared to intelligence in animals" 的准确 paraphrase。命题人通过将 be compared to 替换为 comparable to，保留了原本的 logical connection，这是标准的 synonym substitution 手法。

    核心类比对应法 直接去 第1段 寻找 coined 附近的 defining clause。识别其中的 core analogy 后，再到选项中寻找对应的 synonym，正确项通常是对该关系的准确复述，不需要进行额外的 logical deduction。

  2. 第 2 段 定位词 new opinion article

    The authors of the new opinion article argue that the evidence for plant intelligence is ________.

    • A completely based on false observations
    • B consistent with the biology of animals
    • C fascinating enough to be widely accepted
    • D insufficient to support the conclusion
    • E the only way to understand plant complexity
    • F largely derived from complex animal experiments
    显示答案与解析 收起答案与解析

    正确答案：D

    原文使用 inconclusive 评价所谓的 evidence。正确项将这一评价 paraphrase 为 insufficient to support the conclusion，准确表达了证据不足以导出确定结论的含义，符合 synonym transformation 的规律。

    证据效力同义锁定 快速定位 第2段 中对 evidence 作出判断的 evaluative adjective，再在选项中寻找与其 degree 和 scope 一致的 paraphrase。正确项应保留原文对证据效力的评价，而不会擅自改写 observations 的真假或观点的接受程度。

  3. 第 3 段 定位词 2006

    Some scientists claimed in 2006 that plants have "brain-like command centers" located in their ________.

    • A leaf cells
    • B stems and branches
    • C hormone secretion systems
    • D neurotransmitters
    • E root tips
    • F nervous systems
    显示答案与解析 收起答案与解析

    正确答案：E

    原文明示所谓 "brain-like command centers" 位于 root tips。该正确项属于对 text information 的直接 extract，没有进行复杂的 semantic transformation，是典型的 literal detail 考查。

    引号位置短语锁定 利用题干中的 year 和 quotation marks 进行 visual search。定位到 第3段 的 quoted claim 后，眼神立即向后 scan，寻找表示 location 的 preposition 及其宾语，再与选项进行 literal matching。

  4. 第 4 段 定位词 signaling

    Lincoln Taiz suggests that the signaling in plants is ________.

    • A a mass of cells communicating solely by electricity
    • B more complex than the workings of animal brains
    • C the result of a highly simplified array of pulses
    • D essentially different from any chemical communication
    • E an advanced form of biological information transfer
    • F only seemingly akin to the firing of animal brains
    显示答案与解析 收起答案与解析

    正确答案：F

    原文将 plant signaling 描述为 only superficially similar to animal-brain firing。正确项用 seemingly 对应 superficially，用 akin to 对应 similar to，同时保留 only 这一 degree limiter，因此是准确的 synonym substitution。

    限定副词三点匹配 直接在 第4段 中寻找修饰 signaling comparison 的 degree adverb，再检查选项是否同时保留该限定程度和 animal-brain firing 这一 comparison object。正确项会在 modifier、relation 和 object 三个层面形成 synonym matching。

  5. 第 5 段 定位词 complexity and capacity

    According to Taiz, what is a prerequisite for the evolution of consciousness?

    • A a brain meeting a threshold of complexity and capacity
    • B the existence of electrical signaling systems
    • C the ability of cells to communicate with each other
    • D a primitive form of nervous system
    • E the development of root-based command centers
    • F an environment that triggers electrical pulses
    显示答案与解析 收起答案与解析

    正确答案：A

    原文明确指出 consciousness evolution 要求 a brain with a threshold level of complexity and capacity。正确项把 with a threshold level 改写为 meeting a threshold，同时完整保留 brain、complexity 和 capacity，因此准确表达了 necessary condition。

    必要条件主语抽取 看到 prerequisite 后，直接在 第5段 中寻找 required 所支配的 noun phrase。随后用选项里的 paired nouns 进行反向核验；正确项必须同时保留 requirement bearer、threshold standard 和两个并列 attributes。

  6. 第 6 段 定位词 danger

    According to the article, why would recognizing threats be disadvantageous for plants?

    • A because plants do not have any energy to invest
    • B because plants lack the ability to escape from danger
    • C because feeling pain is not a real biological process
    • D because plants have already evolved other defense systems
    • E because recognizing threats requires a brain with no capacity
    • F because threat recognition would attract more predators
    显示答案与解析 收起答案与解析

    正确答案：B

    原文指出 plants can't run away from danger，并以此解释为什么为 threat recognition 和 pain perception 投入 energy 会是 poor evolutionary strategy。正确项用 lack the ability to escape paraphrase can't run away，完整保留了原文的 causal logic。

    评价前置原因锁定 先用选项中的 low-frequency scene word 定位到 第6段，再逆向读取 evolutionary evaluation 之前的直接事实。正确项应能把该事实改写成 inability-based reason，并与 poor strategy 形成最短 causal chain。

STRUCTURE · 篇章结构

4 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

    植物意识观点的提出

    这个 introduction 介绍了 plant consciousness 这个 idea 的 origin，提到 2000s 早期有人 coined 了 plant neurobiology 这个 term，认为 plants 的某些 behavior 可以和 animals 的 intelligence 做 comparison，虽然 plants 没有 brains，但 electrical signals 的 firing 暗示了 consciousness 的可能性

    作为 argumentative essay 的 opening，这个 introduction 先 present 了一个 controversial view，即 plants have consciousness，为后文的 refutation 建立 context 和 target，这是典型的 problem-solution pattern 中的 problem presentation

    引出将被反驳的观点
  2. 分论点 P2

    直接否定植物意识观点

    这个 counterargument 直接 refute 了前面的 idea，通过 a new opinion article 明确指出这个 idea is untrue，强调虽然 plant biology 很 complex and fascinating，但和 animal biology 有 fundamental differences，所以 evidence of plant intelligence 是 inconclusive 的

    这是整篇 essay 的 thesis statement，clear and direct 地 establish 了 author's position。它用 strong language（untrue, inconclusive）来 reject 前面的 claim，为后续 detailed arguments 设定了 framework，这是 argumentative structure 中的 central claim

    提出核心反驳立场
  3. 分论点 P3 P4 P5

    反驳植物神经系统类比

    这组 supporting arguments 具体 address 了 plant neurobiology 的 claims，第3段 引述 some scientists 的 argument 说 plants 有 neuron-like cells 构成类似 animal 的 nervous system，甚至 root tips 有 brain-like command centers。第4段 然后 refute 这个 analogy，指出这种 perspective 是 oversimplified，plants 的 electrical communication 只是 superficially similar，animal brain 远不止 mass of cells with electricity。第5段 进一步 conclude 说 consciousness requires a brain with threshold complexity，since plants lack nervous systems，chances of consciousness are effectively zero

    这个 sub-argument 构成了 main evidence against plant consciousness，通过 cite-and-refute pattern 来 dismantle 对方的 key claim。它先 present 了 opponents' specific argument（neuron-like cells, nervous system），然后 systematically refute 它（superficial similarity, oversimplification），最后 draw a logical conclusion（no nervous system = effectively zero chance），这是 argumentative reasoning 的 classic structure

    论证缺乏神经基础
  4. 分论点 P6

    从进化角度反驳意识必要性

    这个 additional argument 从 evolutionary perspective 来 question plant consciousness 的 necessity。它用 rhetorical question（what's so great about consciousness）来 introduce 一个 practical reasoning：既然 plants can't run away from danger，那么 invest energy in a system that recognizes threat and feels pain 就是 very poor evolutionary strategy，从 survival advantage 的角度进一步 undermine plant consciousness 的 plausibility

    这是 second line of evidence，从 different angle（evolution and adaptation）来 support the main thesis。与前面的 neurological argument 不同，这里是 functional reasoning：即使 hypothetically possible，consciousness 对 plants 也没有 adaptive value，这种 multi-pronged approach 让 argumentation 更 comprehensive and convincing

    论证进化上不合理
MAIN IDEA · 速判主旨

4 步定位这篇文章的主旨

不读完全篇也能锁定主旨——以下 4 步按2022年考研英语一真题 这篇原文的实际行文顺序给出，每步说明看哪里、看出什么，可直接迁移到其他考研英语文章。

  1. 首段定位争议话题 P1

    议论文的 first paragraph 往往会 introduce 讨论的话题，并通过 transition words 或 tone 透露作者的态度。本文第一段提到 plant consciousness 这个 idea，但用 'took root' 这种 neutral 的表达，为后续的 counterargument 做铺垫。

  2. 转折段锁定核心论点 P2

    议论文的 main thesis 经常在 contrasting statement 中明确呈现。第二段的开头 'But such an idea is untrue' 是一个 definitive statement，直接否定了第一段提到的 plant consciousness，这就是文章的 central claim。

  3. 主体段提取论证逻辑 P3 P4 P5 P6

    议论文的 supporting paragraphs 会 elaborate 主论点的各个 dimensions。第三、四、五段分别从 neuron analogy（第3段-4）和 consciousness requirements（第5段）来 refute plant consciousness 的说法。第六段则从 evolutionary perspective 提供额外的 supporting logic。

  4. 整合观点与论据 P1 P2 P3 P4 P5 P6

    议论文主旨是 central argument 加 major supporting points 的 synthesis。本文主旨是：植物没有 consciousness（main claim），因为它们缺乏 neural complexity（reason 1）且 evidence 不充分（reason 2），而且 consciousness 对 immobile organisms 来说 evolutionarily disadvantageous（reason 3）。Tone 是 definitive 和 dismissive。

主旨信号词 untrue P2 inconclusive P2 lack P1 differs greatly P2 effectively zero P5 poor evolutionary strategy P6

MAIN IDEA · 主旨

这篇文章在说什么

文章反驳植物具有意识的观点,主张尽管植物存在电信号传递,但它们缺乏意识所需的神经复杂性。植物智能的证据并不确凿,而且对于无法移动的生物体而言,意识在进化上是不利的。
The article argues against the notion of plant consciousness, asserting that despite electrical signaling in plants, they lack the neural complexity required for consciousness. Evidence for plant intelligence is inconclusive, and consciousness would be evolutionarily disadvantageous for immobile organisms.
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。已收录进考研英语高频真题词集的单词可点击进入词条页。

  • neurobiology 神经生物学

    通过morphological analysis，我们split了neuro-和-biology两个components。Neuro-指向nervous system，biology是生物学。Context中的plant behavior、intelligence、neuron-like cells这些descriptors都point to同一个research direction：研究organisms的neural characteristics。所以neurobiology就是专注于nervous systems的biological study。

    科学术语：拆解+语境验证
  • neurotransmitter 神经递质

    Morphological breakdown给出trans-（传递）和neuro-（神经）的clear indication。Context中的parallel structure把它和hormones这种chemical messengers并列，而surrounding discussion about cellular communication和electrical signals进一步confirm它在neural system中的role是transmit chemical messages。所有线索converge到一个conclusion：这是nerve cells用来communicate的chemical substances。

    复合词：分解+平行结构定位
  • analogous 类似的；相似的

    Sentence structure中的A, analogous to B pattern是典型的comparison format。随后paragraph用similar明确restate这个relationship。两处evidence都point to同一个meaning：analogous表示two things之间存在comparable features或structural similarities，即使它们可能not identical。

    形容词推断：结构定位+同义复现
  • threshold 临界值；门槛

    从modifier relationship看，threshold描述complexity的某个specific level。从argument logic看，这是consciousness能否evolve的determining factor——是一个必须达到的minimum standard。Plants缺乏nervous systems意味着它们below这个threshold，因此no consciousness。所以threshold指的是critical minimum level或boundary point。

    抽象名词：论证功能定位
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。

  • 引用论证

    P3

    文章在 第3段 中引用了 lead study author Lincoln Taiz 的观点,提到有些 scientists 声称 plants possess neuron-like cells,甚至有 brain-like command centers。这种 citation 增强了 argument 的 authority 和 credibility,通过引入 expert opinion 来呈现被反驳的观点,为后续的 counterargument 奠定基础。这个 quotation 让读者看到作者不是 randomly 反驳,而是针对 specific scientific claims 进行 systematic refutation。

    信号词 said according to stated claimed reported argued noted pointed out suggested maintained

    仿写： 在写 argumentative essay 时,可以先 identify 你要反驳或支持的 viewpoint,然后寻找 relevant experts 或 authoritative studies 的 statements。引用时要注意 attribution 的准确性,使用 according to、as stated by、researchers reported 等 phrases。仿写模版:According to [expert name/study], [quoted viewpoint]. This perspective/claim [your analysis of this viewpoint].

  • 对比论证

    P4

    第4段 通过 contrast 展开核心反驳,将 plant signaling 与 animal brain complexity 进行对比。作者指出虽然 cells in plants communicate through electrical signals,但这种 signaling 只是 superficially similar,而 animal brain 远不止是 a mass of cells that communicate by electricity。这个 contrast 直击对方论点的 weakness,通过 highlighting the difference 而非 similarity,清晰地 demonstrate 为什么 plant consciousness 的证据是 inconclusive 的,从而有力支撑了文章的 main thesis。

    信号词 however but while whereas in contrast on the other hand unlike differs from rather than instead

    仿写： 运用 contrast 时要选择 relevant comparison points,确保对比的两个 subjects 在某方面有 surface similarity 但存在 essential differences。使用 transition words 如 however、but、while 来 signal the contrast。要 elaborate 差异的 significance,说明为什么这个 difference matters for your argument。仿写模版:While [Subject A] appears to [similarity], it differs fundamentally from [Subject B] in that [key difference]. [Subject B] is more than just [oversimplified characterization].

  • 因果论证

    P5

    第5段 运用 causal reasoning,建立了 consciousness 与 brain complexity 之间的 cause-effect relationship。作者 state 清晰的 premise:consciousness requires a brain with threshold complexity。然后通过 logical deduction 得出 conclusion:since plants lack nervous systems,他们 have consciousness 的 chances are effectively zero。这个 causal chain 提供了 logical foundation for the argument,通过 establishing necessary conditions,使反驳显得 rational 和 unavoidable,强化了 main thesis 的 scientific rigor。

    信号词 since because therefore thus as a result consequently so for this reason due to leads to

    仿写： 构建 causal argument 时,首先 identify the prerequisite conditions 或 causes,然后 establish the logical link 到 effects or conclusions。使用 causal connectors 如 since、because、therefore 来 signal relationships。要确保 causality 是 logical and supported,避免 false cause fallacies。可以用 conditional structures 来 strengthen the argument。仿写模版:For [outcome] to [occur/exist], [necessary condition] is required. Since [subject] [lacks/possesses] [condition], [logical conclusion about the outcome].

  • 反问修辞

    P6

    第6段 开头用 rhetorical question "And what's so great about consciousness, anyway?" 来 challenge the assumption 意识是 desirable trait。这个 question 不期待 direct answer,而是 prompt readers 重新思考 consciousness 的 value。通过这个 device,作者 shift perspective,引入 evolutionary argument,指出对 plants 来说 consciousness 反而是 poor strategy。这种 questioning tone 让 argument 更 engaging,同时 lead readers 到作者想要 establish 的 conclusion,增强了说服的 effectiveness。

    仿写： 使用 rhetorical question 时,要确保 implied answer 是 obvious 且 supports your argument。Question 应该 challenge common assumptions 或 refocus attention on overlooked aspects。可以用 anyway、after all、really 等 words 来增强 questioning tone。最有效的 placement 通常是在 transitioning to new argument 或 concluding a point 时。仿写模版:And [question challenging common assumption]? [Follow-up statement providing the intended perspective/answer].

  • 举例论证

    P1 P6

    虽然文章没有传统意义上的 concrete examples,但 第1段 中提到 firing of electrical signals in stems and leaves triggered responses 作为 specific instance,第6段 中 plants can't run away from danger 作为 specific scenario,这些都是 illustrative evidence。特别是 inability to flee 这个 example 生动地 demonstrate 为什么 consciousness 对 plants 没有 evolutionary benefit。这种 specific instance 让 abstract argument about evolution 变得 concrete and relatable,帮助读者 grasp the logical reasoning。

    信号词 for example for instance such as like including namely specifically to illustrate as shown by consider

    仿写： 选择 examples 时要确保它们 clearly illustrate your point 且 relevant to your argument。可以用 specific scenarios、concrete instances 或 observable phenomena。使用 such as、for instance、for example 来 introduce examples,但有时也可以 directly present them within argumentation。要 explain the significance of the example,说明它如何 support your claim。仿写模版:[General claim]. [Specific example or scenario]. This [explains/demonstrates/illustrates] [how the example supports the claim].

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。

  • 植物意识理论的流行与影响

    P1
    The idea that plants have some degree of consciousness first took root in the early 2000s

    双关隐喻类 first took root took root germinate bear fruit branch out cultivate plant the seed

    这个 double meaning 表面上是 neutrally 描述 theory 的 emergence,但 'took root' 这个 plant metaphor 用在 plant consciousness theory 上,creates 一种 self-referential irony。作者通过这个 wordplay subtly 暗示:就像 plants 本身一样,这个 theory 也只是 'took root' mechanically,而非基于 solid evidence。这为 entire article 的 critical stance 做了 subtle foreshadowing,从 opening sentence 就 plant 了 skeptical tone 的 seed,服务于 debunking plant consciousness 这个 main argument。

  • 植物信号与意识证据的不充分性

    P1
    Though plants lack brains, the firing of electrical signals in their stems and leaves nonetheless triggered responses that hinted at consciousness

    转折让步类 nonetheless nevertheless however yet still even so that said

    这个 'nonetheless' creates 一个 false equivalence 的 impression。Surface level 看似 author 在 fairly present 支持 plant consciousness 的 evidence,但实际上通过 'though plants lack brains' 这个 crucial qualifier 加上 'hinted at' 这个 weak verb,已经 undermine 了后面 claim 的 credibility。'Nonetheless' 这里 implies 这个 response 是 surprising 或 anomalous,而非 conclusive proof。这个 sentence 是 author 在 set up 对方的 argument 只是为了在 第2段 用 'But such an idea is untrue' 彻底 refute。这种 present-then-reject structure serves 文章 main thesis,即 plant intelligence evidence 是 inconclusive 的。

  • 证据不足的委婉否定

    P2
    so-called evidence of plants' intelligence is inconclusive

    模糊限制语类 inconclusive questionable debatable uncertain ambiguous unclear insufficient

    'Inconclusive' 搭配 'so-called evidence' 形成 double hedge,表面是 cautious academic tone,实则是 polite dismissal。'So-called' 已经 cast doubt on 是否该 call 它 'evidence','inconclusive' 进一步说即使 accept 它是 evidence,也 doesn't prove anything。这个 combination 传递的 implicit message 是:plant intelligence 的 supporting data 根本 insufficient to warrant 把它当 serious scientific theory。这 directly serves article 的 main argument,通过 seemingly moderate language 实际上 completely undermine 对方 position,为 后续 paragraphs 的 detailed rebuttal 奠定 dismissive tone。

  • 类比论证的引述与质疑

    P3
    They even claimed that plants have 'brain-like command centers' at their root tips

    报道动词类 claimed alleged asserted argued contended maintained purported

    'Even claimed' 加上 quotation marks around 'brain-like command centers' creates layered skepticism。'Even' 表示这是 escalation,是更 extreme 的 position;'claimed' 表示 author doesn't accept it;quotes around 'brain-like' 表示这个 analogy 是 questionable。整个 structure 暗示:这些 scientists 越说越 outrageous,从 simple 的 electrical signals 一路 exaggerate 到 'command centers'。这个 言外之意 serves article 的 strategy:present 对方 argument 在 most extreme form,然后在 next paragraph 用 'However' 来 systematically dismantle。通过 quote 对方最 bold 的 claims,author makes them easier targets for refutation,服务 overall debunking purpose。

  • 简化类比的逻辑缺陷

    P4
    This perspective makes sense if you simplify the workings of a complex brain, reducing it to an array of electrical pulses

    条件假设类 if you simplify if you ignore if you reduce if you overlook provided that you disregard assuming you neglect only if you trivialize

    这个 conditional sentence 表面说 'perspective makes sense',实际在 criticize plant neurobiology proponents for oversimplification。'If you simplify' 暗示他们 indeed simplified;'reducing it to' 的 'reducing' 是 pejorative,implies 不当的 reductionism。后面 'However' 引出的 contrast 明确指出 plant signaling 'only superficially similar',直接 refute 这个 analogy。整个 structure 的 implication 是:对方的 brain-plant comparison 只有在 ignore brain 的 true complexity 时才 tenable,因此是 fundamentally flawed analogy。这个 critical move serves article 的 core argument:plant 和 animal nervous systems 的 difference 太 fundamental,不能 support consciousness claim。

  • 意识进化的必要条件否定

    P5
    Since plants don't have nervous systems, the chances that they have consciousness are effectively zero

    极端量化类 effectively zero virtually impossible practically nonexistent nearly certain essentially none almost always hardly any

    'Effectively zero' 搭配 'since' 引导的 causal structure,creates 一个 logically tight conclusion。虽然 'effectively' technically hedges,但 pragmatic meaning 是 'zero, period'。Author 在 say:given 缺乏 nervous system 这个 fundamental fact,plant consciousness 根本 not plausible。这个 strong dismissal 是 article 的 climax statement,直接 answer title 的 implicit question:'Do plants have consciousness?'——No。这个 categorical denial 基于 第5段 开头建立的 premise ('consciousness requires complex brain'),形成 logical chain 来 completely shut down plant consciousness 的 possibility,fully serving article 的 main thesis。

  • 意识价值的反问质疑

    P6
    And what's so great about consciousness, anyway?

    反问句类 And what's so great about What's so great about Why would How could Who needs What good is Why bother with

    这个 rhetorical question 加 'anyway' dismissively suggests consciousness 被 overrated,especially for plants。Implied answer 是:consciousness 对于 immobile organisms 没有 evolutionary value。Following sentence 立即 deliver 这个 justification:'can't run away...poor strategy'。这是 article 的 final blow:不仅 argue plants 缺乏 necessary structures for consciousness (第5段),还 argue 即使 hypothetically possible,也 wouldn't make evolutionary sense。这种 'neither possible nor desirable' 的 double refutation 彻底 close 任何 pro-plant-consciousness 的 door,完美 conclude article 的 comprehensive debunking,服务 main thesis 的 multifaceted rejection strategy。

  • 进化劣势的论证推理

    P6
    investing energy in a body system which recognizes a threat and can feel pain would be a very poor evolutionary strategy

    情态动词类 would be would constitute would represent could only be must be has to be cannot but be

    'Would be a very poor evolutionary strategy' 是 definitive judgment disguised as conditional。'Very poor' 的 intensification 加上 evolutionary logic (can't escape danger → consciousness pointless → energy waste) creates compelling final argument。这个 evolutionary angle adds 新的 dimension:不仅从 structural perspective (缺乏 nervous system) deny plant consciousness,还从 functional perspective (no adaptive value) deny 它。双重 denial 使 refutation 更 comprehensive 和 convincing。这个 closing argument serves article 的 ultimate purpose:convince readers plant consciousness 既 structurally impossible 又 functionally nonsensical,彻底 dismiss 这个 notion from both empirical 和 theoretical standpoints。

AUTHOR ATTITUDE · 作者态度

作者态度：消极批判

结论先行：本文作者态度为消极批判（ skeptical and dismissive）。下面是按步骤还原的判断过程与文中的态度信号词。

  1. 识别转折后的核心观点 P1 P2

    这个步骤能帮我们快速 grasp 作者的 stance，因为 议论文的 thesis statement 直接反映了 author's viewpoint。当你看到作者用 'but' 或 'however' 引出 opposing view，紧跟着的内容往往就是 the real position 作者真正的立场。

  2. 捕捉评价性词汇的倾向 P2 P4 P5

    这个步骤之所以有效，是因为 evaluative vocabulary 是 author's emotional and intellectual stance 的最直接 indicator。当作者说某个 evidence 是 'inconclusive' 而不是 'interesting'，这个 word choice 就暴露了 negative appraisal。

  3. 观察证据呈现的框架方式 P3 P4 P5

    这个步骤 works 是因为 the way authors frame evidence 往往比 evidence itself 更能 reveal their attitude。如果作者用 skeptical tone 来 introduce 某些 claims，或者用 quotation marks 来 distance themselves，这就是 negative attitude 的 signal。

  4. 解读修辞手法的隐含立场 P5 P6

    这个步骤有用是因为 rhetorical questions 往往 carry implicit answers that align with author's view。同时，strong logical connectors（'since', 'therefore'）配合 definitive conclusions 显示 author's confidence in their dismissal。

  5. 串联全文的批判轨迹 P1 P2 P3 P4 P5 P6

    这个 comprehensive step 之所以 crucial，是因为单个 signal word 可能 misleading，但 cumulative pattern across paragraphs 能确认 consistent attitude。当每个段落都在 different angles attack 同一个 idea，这种 sustained criticism 就是 unmistakable dismissive stance。

文中的态度信号词

  • untrue P2

    这个词 directly negates 前面提到的 plant consciousness idea，是最 explicit 的 rejection marker。在 opinion piece 中，用 such a definitive term 而不是 softer alternatives like 'questionable' 或 'debatable'，显示 author's strong dismissive stance 毫不含糊。

    同类词 false incorrect wrong mistaken erroneous

  • inconclusive P2

    这个词 undermines 植物意识的 evidence 的 validity。它不是说 evidence 完全不存在，而是说 existing evidence fails to prove the claim。这种 qualify-then-dismiss strategy 在 academic arguments 中很常见，显示 author's skeptical mindset。

    同类词 insufficient inadequate unconvincing questionable dubious

  • only superficially similar P4

    这个 phrase 通过 minimizing language（'only', 'superficially'）来 downplay 植物和动物 signaling 的 similarity。它承认有 some resemblance，但立刻 qualify it as shallow and insignificant，从而 weaken 植物意识论者的 analogy argument。

    同类词 only superficially merely just simply nothing more than

  • effectively zero P5

    这个 phrase 是 strongest form of negation，用 probabilistic language（'effectively'）来表达 absolute dismissal。它比 'unlikely' 或 'improbable' 更 definitive，将 possibility 降到 essentially non-existent，显示 author's total rejection of plant consciousness。

    同类词 virtually impossible extremely unlikely next to impossible highly improbable negligible

  • so-called P2

    这个 term 通过 scare quotes effect 来 cast doubt on 某个 designation 的 legitimacy。当说 'so-called evidence' 而不是 'the evidence'，作者 distances themselves from 这个 label，暗示 'it's called evidence but it's not really evidence'。这是 implicit dismissal 的 subtle marker。

    同类词 alleged supposed purported claimed self-proclaimed

  • very poor P6

    这个 strong evaluative phrase 用 intensifier（'very'）加 negative adjective（'poor'）来 express harsh judgment。它 evaluates 植物拥有意识作为 evolutionary strategy 的 quality，给出 damning assessment，强化 author's dismissive stance。

    同类词 terrible awful horrible dreadful disastrous

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，可直接迁移到其他考研英语 真题文章。

如何快速判断这是一篇议论文？

  1. 争议性观点的提出与反驳 P1 P2

    这篇文章的 第1段 提出了 'plants have some degree of consciousness' 这个 controversial idea,紧接着 第2段 用 'But such an idea is untrue' 明确 refute 这个观点。这种 claim-counterclaim structure 是典型的 argumentative pattern,而说明文通常只是 present information objectively,新闻报道则侧重于 report facts and events。

  2. 论点与反驳的交锋结构 P3 P4 P5

    第3段 介绍了 proponents 的 argument ('plants possess neuron-like cells'),第4段 和 第5段 则提供 refutation 和 counter-evidence ('signaling is only superficially similar'、'plants don't have nervous systems')。这种 argument-counterargument structure 是议论文的 hallmark,说明文不会 argue against alternative views,新闻报道虽然可能 present different sides,但不会进行 deep logical analysis。

  3. 说服性意图的展现 P6

    第6段 通过 rhetorical question ('what's so great about consciousness, anyway?') 和 evolutionary logic 来强化作者的 position,这是明显的 persuasive strategy。作者不是在 neutrally explain consciousness,而是在 argue why 植物不需要 consciousness。说明文会 end with a summary of facts,新闻报道会 conclude with final details or quotes,而议论文常用 rhetorical devices 或 final reasoning 来 strengthen the argument。

  4. 完整的论证弧线 P1 P2 P3 P4 P5 P6

    与说明文的区别在于:说明文会 systematically explain 'what consciousness is' 或 'how plant signaling works',采用 descriptive and informative tone;而这篇文章的 focus 是 'whether plants have consciousness' 这个 debatable question,采用 argumentative and evaluative tone。与新闻报道的区别在于:新闻会 lead with recent events 并 quote multiple sources for balance,而这篇文章 build a coherent argument 来 support one side of the debate。

哪些词暴露了议论文体裁？

  • But such an idea is untrue P2 立场表态词 is untrue is incorrect is false is misleading is wrong
  • according to P2 观点引导词 the authors wrote said argued claimed asserted
  • some scientists have argued P3 观点引导词 have argued have claimed have suggested have proposed have maintained
  • However P4 论证逻辑连接词 But Yet Nevertheless Nonetheless On the contrary
  • the chances that... are effectively zero P5 立场表态词 effectively zero virtually impossible highly unlikely clearly demonstrates obviously shows
  • Since P5 论证逻辑连接词 Because As Given that Due to Therefore
  • And what's so great about consciousness, anyway? P6 立场表态词 what's so great about why should we is it really does it make sense one might ask
  • would be a very poor evolutionary strategy P6 立场表态词 would be poor is problematic is flawed makes no sense is illogical
SENTENCE INSIGHTS · 句子精讲

7 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 Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say 的常见问题

2022年考研英语一真题 Section I 文章 Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say 的原文出自哪里？
Live Science《生活科学》2019年7月10日文章 Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say(脾气火爆的科学家:不要在植物身上浪费你的感情了,它们没有感觉)。
2022年考研英语一真题文章 Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say 的主旨是什么？
2022年考研英语一真题 Section I 文章 Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say 反驳植物具有意识的观点,主张尽管植物存在电信号传递,但它们缺乏意识所需的神经复杂性。植物智能的证据并不确凿,而且对于无法移动的生物体而言,意识在进化上是不利的。（英文表述：The article argues against the notion of plant consciousness, asserting that despite electrical signaling in plants, they lack the neural complexity required for consciousness. Evidence for plant intelligence is inconclusive, and consciousness would be evolutionarily disadvantageous for immobile organisms.）
Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say（2022年考研英语一真题文章）是什么体裁？难度如何？
体裁为议论文，作者立场是消极批判（skeptical and dismissive）。CEFR 难度 C1，全文 280 词、6 段；在考研英语一全部 102 篇真题文章中，C1 级共 92 篇（占 90%）。
2022年考研英语一真题文章 Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say 的篇章结构是怎样的？
全文 6 段按议论文骨架分为 4 个意群：引言 · 第1段——植物意识观点的提出；分论点 · 第2段——直接否定植物意识观点；分论点 · 第3段、第4段、第5段——反驳植物神经系统类比；分论点 · 第6段——从进化角度反驳意识必要性。
Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say 一文的作者态度是什么？
作者态度是消极批判（skeptical and dismissive）。判断路径：识别转折后的核心观点 → 捕捉评价性词汇的倾向 → 观察证据呈现的框架方式 → 解读修辞手法的隐含立场 → 串联全文的批判轨迹；文中的态度信号词包括 untrue（第2段）、inconclusive（第2段）、only superficially similar（第4段）、effectively zero（第5段）、so-called（第2段）、very poor（第6段）。
2022年考研英语一真题文章 Don't Waste Your Emotions on Plants, They Have No Feelings,Grumpy Scientists Say 中有哪些值得积累的生词？
按文中出现顺序共 4 个：neurobiology（神经生物学）、neurotransmitter（神经递质）、analogous（类似的；相似的）、threshold（临界值；门槛），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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