懒笔记
2020年12月英语四级真题第1套 Part III Section C (2)
CET-4 · 来自 2020年12月英语四级真题第1套 · Part III Section C (2) · 阅读理解（四选一）

2020年12月英语四级真题第1套 Part III Section C (2)

说明文 · 阅读理解（四选一） · 真题文章逐层精读

本页是 2020年12月英语四级真题第1套 Part III Section C (2) 文章的精读视角页——这篇说明文全文 351 词、5 段，CEFR 难度 C1（C1 级在英语四级文章中占 32%），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

5 段英文原文

以下为2020年12月英语四级真题第1套 Part III Section C (2) 的阅读理解（四选一）原文，共 5 段。左侧 P1–P5 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。

Picture this: You're at a movie theater food stand loading up on snacks. You have a choice of a small, medium or large soda. The small is $3.50 and the large is $5.50. It's a tough decision: The small size may not last you through the whole movie, but $5.50 for some sugary drink seems ridiculous. But there's a third option, a medium soda for $5.25. Medium may be the perfect amount of soda for you, but the large is only a quarter more. If you're like most people, you end up buying the large (and taking a bathroom break midshow).

If you're wondering who would buy the medium soda, the answer is almost no one. In fact, there's a good chance the marketing department purposely priced the medium soda as a decoy(诱饵), making you more likely to buy the large soda rather than the small.

I have written about this peculiarity in human nature before with my friend Dan Ariely, who studied this phenomenon extensively after noticing pricing for subscriptions(订阅) to The Economist. The digital subscription was $59, the print subscription was $125, and the print plus digital subscription was also $125. No one in their right mind would buy the print subscription when you could get digital as well for the same price, so why was it even an option? Ariely ran an experiment and found that when only the two "real" choices were offered, more people chose the less-expensive digital subscription. But the addition of the bad option made people much more likely to choose the more expensive print plus digital option.

Brain scientists call this effect "asymmetric dominance" and it means that people gravitate toward the choice nearest a clearly inferior option. Marketing professors call it the decoy effect, which is certainly easier to remember. Lucky for consumers, almost no one in the business community understands it.

The decoy effect works because of the way our brains assign value when making choices. Value is almost never absolute; rather, we decide an object's value relative to our other choices. If more options are introduced, the value equation changes.

PARAGRAPHS · 逐段精读

5 段逐段主旨与解读

逐段拆解2020年12月英语四级真题第1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 Movie Soda Choice

    A strategically priced medium soda makes the large soda appear to be the best value.

    对全文主旨而言，本段承担 opening example 的作用：它把抽象的消费者心理转化为可感知的 soda 决策。读者先看到“为什么会买大杯”这个结果，后文才会解释其背后的 decoy effect，因此这一段完成了从熟悉现象到科学解释的铺垫。

    中杯衬托大杯
  2. P2

    The Medium as a Decoy

    The medium soda is a decoy intended to steer consumers toward the large soda.

    这一段是全文的 concept-revealing step：它给第一段的反常消费选择贴上 decoy 的标签。文章主旨所说的“策略性第三选项影响购买”，在这里首次被明确提出，并为后文的实验论证建立了中心问题。

    中杯充当诱饵
  3. P3

    Experimental Evidence from Subscriptions

    A subscription experiment demonstrates that a decoy can shift consumers toward a more expensive option.

    本段为全文主旨提供 empirical support，即经验证据。第一、二段让读者看到并命名了汽水中的 decoy，本段则通过订阅实验说明该效应具有普遍性，并能实质性地提高人们选择高价方案的概率。

    订阅实验证明诱饵
  4. P4

    Naming the Decoy Effect

    The decoy effect, or asymmetric dominance, describes preference for an option next to an inferior alternative.

    这一段承担 terminology clarification 的作用，使前文案例和实验上升为可被准确讨论的科学概念。它把文章主旨中的 decoy effect 定义得更精确：消费者不是随意选择高价项，而是在劣质参照项旁边偏向相对优越的选项。

    两名一义释效应
  5. P5

    Why the Decoy Effect Works

    The decoy effect works because people judge value relatively, and extra options change that comparison.

    作为全文结尾，本段完成 theoretical explanation：它回答了 decoy effect 为什么能影响消费者。这样，文章形成完整的说明逻辑，即生活案例引入、概念命名、实验验证、术语界定，再到心理机制总结，最终完整支撑文章主旨。

    新增选项改写比价
SELF CHECK · 段落自检题

5 道逐段细节自检题

针对2020年12月英语四级真题第1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 movie theater large soda

    Why are most people at the movie theater likely to choose the large soda?

    • A Because the large soda is the cheapest drink available.
    • B Because the medium soda is too small to last through the movie.
    • C Because the large soda costs only a quarter more than the medium one.
    • D Because movie theaters offer the large soda at a discount.
    • E Because the large soda is the perfect amount for every customer.
    • F Because customers want to avoid a bathroom break during the movie.
    显示答案与解析 收起答案与解析

    正确答案：C

    原文先给出 medium 的价格，再用 only a quarter more 突出 large 与 medium 的极小差额，随后直接落到 buying the large 的结果。正确项完整保留了比较基准 medium、数额 quarter 与因果方向。障碍在于考生容易被 large 的绝对价格 $5.50 吸引，却忽略作者借 only 强调的是相对差价。

    差价对照钩 时间极紧时，不必从头精读。直接用题干中的 large soda 回扫 第1段，锁住其前后一句的价格对照；然后把六项压缩成一个检验：哪项同时含有比较对象与微小差额。只有正确项保留这两个不可替代的信息部件，因此可迅速判定正确项。

  2. 第 2 段 定位词 priced medium soda

    Why was the medium soda likely priced as a decoy?

    • A To encourage customers to choose the medium soda.
    • B To reduce the price of the large soda for loyal customers.
    • C To make the small soda appear larger than it really is.
    • D To make customers more likely to buy the large soda instead of the small one.
    • E To offer customers an equal value at every price level.
    • F To help customers avoid making difficult decisions.
    显示答案与解析 收起答案与解析

    正确答案：D

    原文用 making you more likely to buy the large soda rather than the small 直接说明目的。正确项保留了 make customers more likely 的概率变化，以及 large instead of small 的方向。障碍在于 medium 几乎无人购买，考生可能误以为策略目标是出售 medium；实际上它是 decoy，不是销售终点。

    目的箭头链 在 第2段 中，先不读反问句，直接扫描 purposely priced 后面的 making 结构。把题干的 purpose 与该结构做功能匹配，再只核对选项中的目标对象和转移方向。正确项与这一目的链完全同向，其余选项不是目标错位，就是原文未述。

  3. 第 3 段 定位词 Ariely print subscription

    What did Ariely's experiment show about adding the print subscription?

    • A It led more people to choose the less-expensive digital subscription.
    • B It made the print-only subscription the most popular choice.
    • C It caused people to reject both print subscription plans.
    • D It reduced the price of the print-plus-digital subscription.
    • E It made people much more likely to choose the print-plus-digital subscription.
    • F It proved that people never compare subscription prices.
    显示答案与解析 收起答案与解析

    正确答案：E

    实验先说明仅保留两个 real choices 时，更多人选择 less-expensive digital；随后用 But the addition of the bad option 转折，指出人们 much more likely 选择 more expensive print plus digital。正确项准确对应加入变量后的结果。障碍是文中存在两个实验条件，考生若忽略 But 和 addition，容易把未加入选项时的结果当成答案。

    前后条件切片 直接在 第3段 锁定 found 之后的两句，不必重读三种价格。用 only 与 But the addition of 划出实验的前后条件，再将选项按“前条件结果”或“后条件结果”二分。题干问后条件，落入后条件且方案名称完整的正确项即可确定。

  4. 第 4 段 定位词 brain scientists asymmetric dominance

    According to brain scientists, what does asymmetric dominance mean?

    • A People always select the cheapest option among all available choices.
    • B People avoid any option that is clearly inferior to another one.
    • C People prefer choices that offer exactly the same value.
    • D People become unable to make choices when too many options are offered.
    • E People choose the option farthest from an inferior alternative.
    • F People tend to favor the option closest to a clearly inferior alternative.
    显示答案与解析 收起答案与解析

    正确答案：F

    原文在 means 后直接定义：people gravitate toward the choice nearest a clearly inferior option。正确项用 tend to favor 改写 gravitate toward，用 alternative 改写 option，含义和关系均未改变。障碍在于 closest 不是指物理距离，而是选项属性上的相近；考生需将它理解为比较关系。

    定义等号读法 在 第4段 中，把 asymmetric dominance 后的 means 视作等号，直接读取等号右侧的行为关系。随后只做“方向词核验”：选项是否保留 toward、nearest 与 inferior 三层关系。正确项是唯一没有遗漏或颠倒该关系链的选项。

  5. 第 5 段 定位词 more options value

    Why can introducing more options change consumers' decisions?

    • A Because people evaluate value relative to the other choices available.
    • B Because consumers can determine an object's absolute value more accurately.
    • C Because more options always make every product less expensive.
    • D Because consumers prefer to avoid comparing available choices.
    • E Because additional options guarantee a better product for consumers.
    • F Because consumers forget the value of the choices they had considered earlier.
    显示答案与解析 收起答案与解析

    正确答案：A

    段落先指出 decoy effect works because of the way brains assign value，再明确 Value is almost never absolute; rather, we decide an object's value relative to our other choices。正确项保留了 relative 与 other choices 这两个机制核心。障碍在于题干问 more options 的影响，答案不是重复 options 增多这一事实，而是说明它为何会改变 value equation。

    转折机制钉 直接在 第5段 捕捉 almost never absolute 后的 rather，因为这是一处高密度的观点反转。把题干中的 change decisions 替换为“价值判断改变”，再检查哪一项包含 relative 与 other choices 的双核心。正确项由此可在不重读全文案例的情况下确定。

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：电影院购买饮料的决策情境

    这个 opening scenario 通过一个 relatable 的电影院购买 soda 的情境，让读者 experience 一个典型的 consumer behavior：面对 small ($3.50)、medium ($5.25) 和 large ($5.50) 三个 options 时，most people 最终会选择看似 cost-effective 的 large size，尽管最初可能只想买 small。这个 concrete example 巧妙地 demonstrate 了一个 puzzling phenomenon，为后文 explanation 做铺垫。

    作为 expository article 的 opening，这个意群使用了 narrative technique 来 engage readers，通过 familiar scenario 让 abstract concept 变得 concrete and accessible。它不直接 reveal 背后的 mechanism，而是让读者 first-hand experience 这个 phenomenon，creating curiosity 并为后续的 explanation 建立 experiential foundation。

    提供诱饵效应的典型案例
  2. P2

    现象解释：揭示中杯作为诱饵的营销策略

    这个 paragraph 直接 address 了前一意群中的 puzzling choice，revealing 一个 key insight：medium soda 几乎 no one buys，它实际上是 marketing department 故意设置的 decoy，purpose 是 manipulate consumer behavior，使人们更可能购买 large 而非 small。这个 explanation 将 seemingly irrational behavior 转化为 strategic marketing tactic 的 result。

    在 expository structure 中，这个意群完成了从 phenomenon 到 mechanism 的 critical transition。它 explicitly names the strategy（decoy）并 reveals the intention behind it，开始将 reader's understanding 从 experiential level 提升到 conceptual level。这是 explanatory discourse 的 pivotal moment，where the 'what' transitions to 'why'。

    点明诱饵的策略性设计
  3. P3

    证据支持：《经济学人》订阅案例与实验验证

    这个 paragraph 通过 Dan Ariely 的 research 提供了 authoritative evidence：The Economist 的 subscription pricing（digital $59、print $125、print+digital $125）展现了相同的 decoy pattern。重点在于 Ariely's experiment demonstrated 当移除 obviously inferior option（print only）时，more people 选择 cheaper option，但当 decoy present 时，people gravitate toward the expensive combo。这个 empirical evidence 将 phenomenon 从 anecdotal 提升到 scientifically validated。

    在 expository structure 中，这个意群执行 critical validation function。通过 citing academic research 和 controlled experiment，它将 marketing phenomenon 确立为 psychological pattern，增强 explanation 的 credibility。The use of concrete numbers 和 experimental comparison 使 abstract concept 变得 measurable and verifiable，这是 scientific exposition 的 hallmark。

    提供实验验证的证据
  4. P4

    理论命名：引入学术术语与商业认知现状

    这个 paragraph 提供了 formal theoretical framing：brain scientists 称这个 effect 为 'asymmetric dominance'，指人们 gravitate toward the choice nearest a clearly inferior option；marketing professors 用更 memorable 的术语 'decoy effect'。关键信息还包括 ironic observation：尽管这个 phenomenon 被研究，almost no one in business community 真正 understands it，这既 validates the concept's subtlety 又 empowers readers with insider knowledge。

    在 expository structure 中，这个意群执行 theoretical consolidation function。通过 introducing formal terminology from multiple disciplines，它将 phenomenon 置于 academic discourse 中，增强 intellectual legitimacy。The contrast between scientific complexity（asymmetric dominance）和 practical simplicity（decoy effect）demonstrates accessibility，而 final observation about business ignorance 既 adds human interest 又 reinforces the concept's non-obviousness。

    确立正式学术名称
  5. P5

    机制阐释：解释诱饵效应的认知原理

    这个 concluding paragraph 揭示了 decoy effect 的 fundamental cognitive mechanism：它 works because of how our brains assign value。核心 insight 是 value is almost never absolute；相反，we determine an object's value relative to other choices。当 more options introduced 时，the value equation changes。这个 explanation 将 behavioral phenomenon 追溯到 cognitive processing 的 basic principle，提供了 deepest level of understanding。

    作为 expository article 的 conclusion，这个意群提供 fundamental explanatory framework。它不仅回答 'what' 和 'when'，更重要的是回答 'why' at cognitive level。通过 revealing the principle of relative value assessment，它让 readers understand 这不仅是 marketing trick，而是 reflects how human brain fundamentally processes choices。这种 mechanistic explanation 是 expository writing 的 ultimate goal：providing transferable understanding。

    阐明认知运作机制
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2020年12月英语四级真题第1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. 找概念命名句 P4

    说明文 expository articles 通常会为所解释的 concept 或 phenomenon 命名，这个 naming moment 就是 main idea 的浓缩体现，因为作者需要给读者一个 clear label 来理解整个 explanation。

  2. 提取开篇案例模式 P1

    说明文常用 specific example 开篇来 engage readers 并 illustrate abstract concepts。这个 opening scenario 不是 main idea 本身，但它 sets up the phenomenon 将要被 explained，是理解 what the article is about 的 entry point。

  3. 寻找因果解释转折 P5

    说明文的核心 structure 是从 particular instances 移动到 general principles。这个 transition point 往往包含 causal explanations，直接点明 why the phenomenon occurs，这就是 main idea 的 explanatory core。

  4. 整合三要素陈述 P1 P4 P5

    说明文的 complete thesis 包含三个 components：what it's called (terminology)、what it is (phenomenon description)、why it happens (causal explanation)。只有整合这三个 elements 才能 capture the full main idea。

主旨信号词 decoy effect P4 purposely priced P2 gravitate toward P4 relative to P5 clearly inferior P4

MAIN IDEA · 主旨

这篇文章在说什么

这篇说明文解释了消费者行为中的"诱饵效应",即策略性定价的第三选项通过使更贵的商品相对于明显较差的替代品显得更有价值,从而影响人们选择更昂贵的商品。
This expository article explains the 'decoy effect' in consumer behavior, where a strategically priced third option influences people to choose a more expensive item by making it appear more valuable relative to a clearly inferior alternative.
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。

  • peculiarity 特殊性;奇特之处

    现在我们把三条 clues 串联起来。首先,从 morphology 入手,我们知道 peculiarity 是一个 abstract noun,表示某种 quality。接着,从 contextual reference 来看,it 指代的是前文那个 unusual consumer behavior pattern。最后,通过 synonym repetition,我们确认它和 phenomenon 语义相近,但更强调 特殊性 这个 attribute。综合这三个 perspectives,我们可以得出结论。

    抽象名词三步推断法
  • gravitate 被吸引;倾向于

    我们现在 integrate 所有的 evidence。从 etymology 看,grav- root 提供了 gravitational pull 这个 conceptual foundation。从 immediate context 看,toward 和 nearest 构成的 directional phrase 强化了 movement 的含义。从 discourse function 看,它是对前文 consumer behavior pattern 的 technical summary。三条线索共同指向一个结论:gravitate 表示像被重力吸引一样地 趋向 某个选项。

    隐喻动词的域映射推断
  • inferior 较差的;次等的

    现在我们 synthesize 这些 clues。从 concrete examples(medium soda、print-only subscription)我们看到 inferior options 的 defining characteristics:nobody wants them。从 word formation 我们了解到它和 superior 形成 antonym pair,表示 lower quality。从 syntactic environment 我们确认它在 theoretical framework 中扮演 negative benchmark 的角色。三个 angles 一致指向同一个 semantic core。

    评价性形容词的三点定位法
RHETORIC · 修辞手法

6 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

    P1

    文章开篇用了一个非常 vivid 的 movie theater scenario 来 illustrate decoy effect。通过 small、medium、large soda 的 pricing strategy，让读者能够 immediately relate to 这个 consumer behavior。这个 concrete example 直接把 abstract concept 变成了 tangible experience，帮助读者 understand 文章的 central theme——商家如何通过 strategically priced options 来 influence 消费者的 purchasing decisions。

    信号词 Picture this For example For instance Consider Imagine Take the case of Let's say Suppose Such as

    仿写： 在写 expository articles 时，问自己：我的 target audience 在日常生活中会遇到什么 similar situations？选择一个 universally relatable scenario，然后 walk through it step by step。模版可以是：'Picture this: You're at [场景]. You have [选择]. [描述决策过程]. If you're like most people, you [typical outcome].' 关键是让例子 close to reader's experience，这样 abstract concept 就能 naturally emerge from the example。

  • 列数字

    P1 P3

    文章在 movie theater example 和 The Economist subscription example 中都使用了 precise numerical data。Small soda $3.50、large $5.50、medium $5.25 这些 specific prices，以及 digital subscription $59、print $125 这些 exact figures，都让 decoy effect 变得 quantifiable and verifiable。这些 numbers 不仅 add credibility，更重要的是让读者能够 calculate the price difference 并 understand why the decoy works——当 medium 只比 large 便宜 $0.25 时，rational choice 就会 shift。

    信号词 $ percent % number approximately exactly roughly about nearly over under

    仿写： 在 presenting a phenomenon 时，问自己：哪些 aspects 可以被 quantified？选择 meaningful numbers that highlight the contrast or pattern。模版：'The [选项A] was $[X], the [选项B] was $[Y], and the [选项C] was [Z].' 关键是 numbers 要 serve a purpose——不是为了 show off data，而是为了 reveal the mechanism behind the effect。确保 numerical comparison 能让读者 immediately see the illogical or strategic nature of the pricing。

  • 下定义

    P4

    文章在 第4段 明确定义了两个 key terms：'asymmetric dominance' 和 'decoy effect'。Brain scientists 的 technical term 和 marketing professors 的 practical term 都被 clearly explained——'people gravitate toward the choice nearest a clearly inferior option'。这个 precise definition 是整篇文章的 conceptual anchor，让读者能够 label and understand the psychological mechanism。通过 presenting both terms，文章也 bridges academic research and practical application。

    信号词 call this is defined as refers to means is known as is called is termed can be defined as essentially is

    仿写： 在 introducing a new concept 时，先 present the phenomenon，然后 provide the formal definition。模版：'[专业群体] call this [术语], which means [核心含义].' 可以用 parallel structure 来 present multiple names for the same concept，增加 accessibility。关键是 definition 要 clear and concise——用一句话 capture the essence，避免 circular definitions。可以先 describe the effect，再给出 term，这样读者 already understands the concept before learning the label。

  • 作诠释

    P2 P5

    文章在 第2段 对 medium soda 的 purpose 进行了 interpretation——'there's a good chance the marketing department purposely priced the medium soda as a decoy'。这不是 simple definition，而是 explaining the underlying intention and mechanism。第5段 也对 value assignment 进行了 deeper interpretation——'Value is almost never absolute; rather, we decide an object's value relative to our other choices'。这些 interpretive statements 帮助读者 understand not just what happens，而是 why it happens 和 how it works。

    信号词 In fact Actually Rather This means In other words What this shows The reason is This is because Essentially

    仿写： 在 presenting a phenomenon 后，问自己：背后的 mechanism or intention 是什么？用 'rather' 或 'in fact' 来 introduce interpretive insights。模版：'The answer is [解释] / In fact, [deeper insight] / Rather, [真正的机制].' 关键是 distinguish between description and interpretation——description says what happens，interpretation explains why or how。可以用 contrast structure（'not... but...'）来 highlight the deeper truth that differs from surface appearance。

  • 引资料

    P3

    文章在 第3段 引用了 Dan Ariely 的 research on The Economist subscription pricing，并 mention 他的 experiment findings。这个 citation 给文章的 claim 提供了 academic credibility and empirical support。通过 referencing a well-known behavioral economist 和 his systematic study，文章把 anecdotal observation 提升到了 scientifically validated phenomenon。这个 external authority 让 decoy effect 不仅是 author's opinion，而是 established research finding。

    信号词 who studied according to research shows studies indicate experts say as [专家] found evidence suggests [专家] discovered findings reveal

    仿写： 当 making a significant claim 时，问自己：有没有 expert research 或 authoritative source 能 support this？模版：'I have written about this with [专家名], who studied [现象] / [专家] ran an experiment and found that [发现].' 关键是 integrate the citation smoothly——不要 abruptly drop names，而是 weave them into your narrative。可以先 present your observation，再用 citation 来 validate it，这样 flows more naturally。Mention what the expert specifically found，而不只是 name-dropping。

  • 作比较

    P4 P5

    文章在 第4段 比较了两个 naming conventions——'Brain scientists call this effect "asymmetric dominance" and... Marketing professors call it the decoy effect, which is certainly easier to remember'。这个 comparison 不仅 highlight different perspectives，更重要的是 evaluate their relative merits（'easier to remember'）。文章也在 multiple examples 中 compare different options（small vs. medium vs. large，digital vs. print）来 demonstrate how comparison itself is central to the decoy effect——我们 assign value through relative comparison, not absolute assessment。

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

    仿写： 在 presenting multiple perspectives or options 时，explicitly compare them。模版：'[Group A] call this [term1]... [Group B] call it [term2], which is [评价性描述].' 或 '[Option A] was [价格], [Option B] was [价格]——注意价格差异的 significance。关键是 comparison 要 serve a purpose——reveal a pattern、highlight an irony、或 evaluate relative merits。可以用 evaluative language（'easier'、'better'、'more expensive'）来 guide reader's interpretation of the comparison。

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。

  • 消费者非理性选择的普遍性

    P1
    If you're like most people, you end up buying the large

    条件假设类 If you're like most people If you're wondering Chances are It's likely that Probably In all likelihood If you think about it

    这个 implication 的真正 meaning 是:大多数 consumers 都会做出这个 irrational choice,选择 large soda 即使它可能超出 actual needs。对文章 thesis 的作用是 establish 这个 phenomenon 的 universality,让读者 realize 自己也可能是这个 marketing tactic 的 victim。这为后文 explain decoy effect 的 mechanism 提供了 experiential foundation,增强了 topic 的 relevance 和 persuasiveness。

  • 中杯定价的真实目的

    P2
    If you're wondering who would buy the medium soda, the answer is almost no one. In fact, there's a good chance the marketing department purposely priced the medium soda as a decoy

    反问与自答类 the answer is almost no one No one in their right mind would Hardly anyone Few if any Virtually no one The answer is clear Obviously not

    这个 implication 的 essence 是:medium option 的存在不是为了 be purchased,而是作为 strategic tool 来 manipulate consumer choice。对文章 main idea 的 contribution 是明确指出 decoy effect 不是 accidental outcome,而是 marketers' intentional tactic。这个 revelation 将 phenomenon 从 behavioral observation 提升到 strategic manipulation 的层面,为后文 cite 学术 research 和 explain psychological mechanism 建立了 premise。

  • 不合理选项存在的悖论

    P3
    No one in their right mind would buy the print subscription when you could get digital as well for the same price, so why was it even an option?

    极端否定表达类 No one in their right mind would It makes no sense to Why would anyone Clearly no rational person Obviously It's absurd to No sensible person would

    这个 implication 真正要 convey 的是:看似 illogical 的 pricing option 背后有 strategic calculation。对 article thesis 的 value 在于通过 real-world example(The Economist subscription)来 demonstrate decoy effect 的 actual application,让 abstract concept 变得 concrete。Ariely 的 experiment 紧跟这个 paradox,用 empirical evidence 来 verify 这个 seemingly irrational option 的 actual effectiveness,强化了文章关于 marketing manipulation 的 central argument。

  • 商界对该策略的无知

    P4
    Lucky for consumers, almost no one in the business community understands it.

    反讽表达类 Lucky for consumers Fortunately for Luckily It's a good thing that Thankfully Mercifully By some stroke of luck

    这句话的 deep meaning 是:decoy effect 是一个 highly effective manipulation tool,如果 widely adopted 会对 consumers 造成 significant harm,现在只是因为 business community 的 ignorance 才没有被 extensively exploited。对文章 main theme 的作用是在 explain 完 psychological mechanism 后,acknowledgement 这个 tactic 的 potency 同时 imply 它的 ethical ambiguity。这个 ironic remark 既 reassure 读者目前相对 safe,又 warn 这个 situation 可能 change,强化了 understanding 这个 phenomenon 的 importance。

  • 价值判断的相对性

    P5
    Value is almost never absolute; rather, we decide an object's value relative to our other choices.

    绝对化否定类 almost never absolute rarely if ever seldom truly hardly ever fixed not inherently never purely scarcely ever independent

    这个 implication 的 essential meaning 是:人类的 value judgment 根本不基于 objective standards,而是完全依赖 contextual comparison。对文章 central thesis 的 critical role 是提供了 decoy effect 的 underlying psychological mechanism——正因为 value 是 relative 的,额外 option 的 introduction 就能 fundamentally alter perceived value,使 decoy strategy 得以 work。这是 article 的 theoretical climax,将前面的 empirical examples 和 terminology 统一到一个 fundamental principle 之下,完成了从 phenomenon observation 到 mechanism explanation 的 logical progression。

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（ Analytical and instructive about consumer psychology manipulation）。下面是按步骤还原的判断过程与文中的态度信号词。

  1. 场景式开篇定调 P1

    说明文中的 scenario presentation 体现 author's purpose，如果作者用 relatable example 引入而非 alarming statement，通常表示 objective analysis 而非 emotional stance，这里作者通过 everyday situation 让 readers 自己体会 phenomenon，而不是直接 condemn marketing tactics。

  2. 机制揭示的中性表述 P2

    说明文中 author 如果采用 step-by-step revelation approach，用 factual statements 来 explain mechanisms，表示 objective educational intent。这里 'purposely priced the medium soda as a decoy' 是 matter-of-fact explanation，没有 'manipulative' 或 'unethical' 这类 judgmental modifiers，说明 author 保持 neutral stance。

  3. 科学证据的客观引用 P3

    说明文通过 cite studies 和 use empirical data 来 support explanations 时，通常保持 neutral academic tone。这里 author 描述 The Economist subscription experiment 时用 factual reporting style，'found that' 表示 research results presentation，没有 inject personal value judgments，体现 objective informative purpose。

  4. 多视角术语的平衡呈现 P4

    说明文如果 present terminology from different fields 并且 acknowledge various perspectives，显示 author 的 comprehensive objective approach。这里最后一句 'Lucky for consumers, almost no one in the business community understands it' 看似有 stance，但实际是 factual observation about adoption rate，'lucky' 只是 acknowledge 一个 consequence，不改变整体的 neutral analytical tone。

  5. 解释性结尾定性 P5

    说明文的 conclusion style 是 attitude 判断的 final checkpoint。如果 ending 是 mechanistic explanation 用 'because' 和 'rather' 来 clarify concepts，而不是 'therefore we should' 或 'this proves that' 的 prescriptive/judgmental conclusions，说明 author 的 primary goal 是 inform 而非 persuade 或 criticize，整体 attitude 是 analytical and instructive。

文中的态度信号词

  • Picture this P1

    这个 invitational opening 把 readers 带入 relatable scenario，使用 conversational inclusive tone ('you're at') 而非 commanding 或 critical language，体现 author 想要 engage 而非 lecture，是 neutral educational approach 的 signal，表明 author 采取 friendly informative stance 而非 judgmental position。

    同类词 Imagine Consider Suppose Think about Envision

  • there's a good chance P2

    这个 probability expression 体现 author 在 present information tentatively based on evidence，用 epistemic modality 来 show analytical stance 而非 absolute assertions，是 objective neutral writing 的典型 marker，表明 author 在 explain patterns 而不是 make definitive judgments，保持 academic analytical distance。

    同类词 it's likely that probably possibly it appears that evidence suggests

  • I have written about this peculiarity P3

    这个 self-reference 虽然用 first person，但紧接 'peculiarity in human nature' 这种 neutral descriptive term 而非 'manipulation' 或 'exploitation'，配合 'who studied this phenomenon extensively' 来 establish credibility through research，体现 author 在 position himself as researcher/educator 而非 advocate/critic，是 academic objective stance 的 marker。

    同类词 I have written research shows studies indicate as documented as observed

  • Brain scientists call this P4

    这个 attribution phrase 把 terminology 归于 scientific community 而非 author's own invention，并且紧接 'Marketing professors call it' 来 show multiple disciplinary perspectives，体现 author 在 synthesize existing knowledge 而非 inject personal views，是 neutral expository reporting 的 signal，表明 balanced objective educational approach。

    同类词 experts term it researchers define it as it is known as technically called referred to as

  • works because P5

    这个 causal explanation marker 把文章导向 mechanistic understanding，用 'because' 来 explain processes 而非 'therefore we should' 来 prescribe actions，体现 author 的 focus 在 help readers understand how things work 而非 judge whether they're right/wrong，是 neutral educational exposition 的 classic signal，表明 objective analytical rather than evaluative stance。

    同类词 occurs due to happens because results from is caused by stems from

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. 场景式开头 P1

    第1段 用 movie theater 购买 soda 的 具体场景来 introduce topic,这是典型的 expository writing technique。议论文会直接 present argument,新闻报道会 lead with facts and events,而说明文用 relatable example 来 engage readers 并为后续 explanation 铺垫。

  2. 机制揭示语言 P2 P4 P5

    第2段 明确说明 'the marketing department purposely priced the medium soda as a decoy',这是在 explain the mechanism behind 消费者 behavior。第4段 和 第5段 直接 explain 'asymmetric dominance' 和 'how our brains assign value'。这种 revealing underlying principles 的写作方式是说明文的 hallmark,议论文会 use evidence to support argument,新闻报道会 present facts chronologically。

  3. 证据阐释功能 P3 P4

    第3段 提到 Dan Ariely 的 experiment on The Economist subscriptions,第4段 引入 'asymmetric dominance' 和 'decoy effect' 等 scientific terms。这些 references 的 function 是 demonstrate and clarify the phenomenon,而非 prove a debatable point。议论文会 use evidence to win argument,说明文 use evidence to illuminate understanding。

  4. 知识传递意图 P1 P2 P3 P4 P5

    整篇文章的 tone 是 educational and explanatory,作者在 share knowledge about consumer psychology 而不是 argue for a position 或 report a specific event。没有 persuasive language like 'we must' or 'it's wrong',也没有 news reporting elements like time markers, quotes from officials, 或 event details。作者 stance 是 informative observer。

  5. 归纳式架构 P1 P2 P3 P4 P5

    本文完美展示说明文 architecture:从 relatable situation 出发,逐步 reveal underlying mechanism,最后 abstract general principle。没有 thesis statement to defend,没有 news event to cover,而是系统地 build understanding of consumer behavior psychology。整体 flow 是 inductive and educational。

哪些词暴露了说明文体裁？

  • this peculiarity P3 说明对象定义解释词 this phenomenon this effect the decoy effect asymmetric dominance human nature
  • Brain scientists call P4 说明对象定义解释词 call means is defined as refers to is known as
  • works because of P5 事物属性功能描述词 works because functions by operates through is caused by results from
  • Picture this P1 说明顺序与例证词 Imagine Consider this example For instance Take the case of Here's how it works
  • ran an experiment and found that P3 说明顺序与例证词 ran an experiment found that research shows studies indicate data reveals
  • rather P5 事物属性功能描述词 instead not...but instead of as opposed to in contrast to
  • it means that P4 事物属性功能描述词 this means in other words that is to say essentially basically
SENTENCE INSIGHTS · 句子精讲

2 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 2020年12月英语四级真题第1套 Part III Section C (2) 的常见问题

2020年12月英语四级真题第1套 Part III Section C (2) 文章的主旨是什么？
2020年12月英语四级真题第1套 Part III Section C (2) 文章说明文解释了消费者行为中的"诱饵效应",即策略性定价的第三选项通过使更贵的商品相对于明显较差的替代品显得更有价值,从而影响人们选择更昂贵的商品。（英文表述：This expository article explains the 'decoy effect' in consumer behavior, where a strategically priced third option influences people to choose a more expensive item by making it appear more valuable relative to a clearly inferior alternative.）
2020年12月英语四级真题第1套 Part III Section C (2) 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（Analytical and instructive about consumer psychology manipulation）。CEFR 难度 C1，全文 351 词、5 段；在英语四级全部 511 篇真题文章中，C1 级共 163 篇（占 32%）。
2020年12月英语四级真题第1套 Part III Section C (2) 文章的篇章结构是怎样的？
全文 5 段按说明文骨架分为 5 个意群：第1段——现象引入：电影院购买饮料的决策情境；第2段——现象解释：揭示中杯作为诱饵的营销策略；第3段——证据支持：《经济学人》订阅案例与实验验证；第4段——理论命名：引入学术术语与商业认知现状；第5段——机制阐释：解释诱饵效应的认知原理。
2020年12月英语四级真题第1套 Part III Section C (2) 文章的作者态度是什么？
作者态度是客观中立（Analytical and instructive about consumer psychology manipulation）。判断路径：场景式开篇定调 → 机制揭示的中性表述 → 科学证据的客观引用 → 多视角术语的平衡呈现 → 解释性结尾定性；文中的态度信号词包括 Picture this（第1段）、there's a good chance（第2段）、I have written about this peculiarity（第3段）、Brain scientists call this（第4段）、works because（第5段）。
2020年12月英语四级真题第1套 Part III Section C (2) 文章中有哪些值得积累的生词？
按文中出现顺序共 3 个：peculiarity（特殊性;奇特之处）、gravitate（被吸引;倾向于）、inferior（较差的;次等的），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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