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2021年12月英语四级真题第1套 Part II Section B (1)
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2021年12月英语四级真题第1套 Part II Section B (1)

对话 · 听力 · 真题文章逐层精读

本页是 2021年12月英语四级真题第1套 Part II Section B (1) 文章的精读视角页——这篇对话全文 282 词、10 段，CEFR 难度 B2（B2 级在英语四级文章中占 46%）；英文原文之外，本篇已有的 6 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

10 段英文原文

以下为2021年12月英语四级真题第1套 Part II Section B (1) 的听力原文，由懒笔记按试卷原文逐段核对收录，共 10 段。左侧 P1–P10 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。

W: I can't believe that duck hunting is still legal in so many parts of the world. The scientific evidence from countries like Australia, Canada and the USA clearly indicates a decline in the birds' numbers.

M: But can anyone be sure if the decline is really caused by the hunting or by climate change?

W: It's caused by both in fact. We see more droughts in countries like Australia. Ducks are birds that feed and breed in areas where there is a lot of water, but their habitats have been shrinking in recent decades because of the droughts.

M: And I guess with fewer places to inhabit, they concentrate in greater numbers in few areas, which surely makes them easier targets for the hunters.

W: It does. My grandfather was a duck hunter. He told me hunting ducks and geese began in the 19th century. They were easily found and a plentifully available food source in farming areas, especially for poor immigrants.

M: What do they use for hunting during that period?

W: They use new types of guns, and birds could easily be shot down in flight. And in such great numbers, their commercial hunting of ducks and geese became an industry. Yet, there's no commercial farming of these birds nowadays. Their meat is hardly eaten in Western countries.

M: No, duck hunting seemingly exists as the continuation of a tradition.

W: Well, ducks have never been popular with farmers like my grandfather anyway because they sometimes destroy crops. In fact, farmers used to poison them in large numbers.

M: That somehow doesn't surprise me. Nobody places much value on the lives of these poor birds or on their meat.

STRUCTURE · 篇章结构

4 个意群的对话骨架

按对话 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 P2

    引出话题：鸭子数量下降的现状

    女士通过 express disbelief 的方式引入 duck hunting 这个 controversial topic,并用 scientific evidence 和具体 countries 的例子来 support 她关于 birds' numbers declining 的 observation,男士则通过 questioning 的方式提出 alternative explanation,即 climate change 可能是 contributing factor

    这个 opening exchange 通过 woman's assertion 和 man's questioning 建立了 dialogue 的 central issue,为后续探讨 decline 的 multiple causes 奠定 foundation,体现了 conversational structure 中典型的 topic introduction pattern

    提出鸭子数量下降的现象
  2. P3 P4

    解释下降原因：双重因素分析

    女士通过 clarification 明确指出 both hunting and climate change 是 causes,然后用 Australia 的 droughts 作为 concrete example 来 explain 气候变化如何导致 duck habitats shrinking,男士通过 logical inference 进一步 elaborate 这种 habitat loss 如何使 ducks 成为 easier targets for hunters,形成了 cause-effect chain

    这个 explanatory sequence 通过 collaborative reasoning 深化了对 decline causes 的 understanding,woman 提供 factual explanation,man 进行 logical extension,这种 co-construction of meaning 是 dialogue 中 knowledge building 的典型 pattern,直接 address 了主旨中关于 hunting and climate change 作为 decline factors 的核心内容

    阐明狩猎与气候变化的双重影响
  3. P5 P6 P7

    追溯历史：狩猎传统的起源

    女士通过 personal anecdote about her grandfather 引入 historical dimension,说明 duck hunting 在 19th century 是如何作为 food source 尤其是 for poor immigrants 而 begin 的,男士用 follow-up question 询问 hunting methods,女士详细描述了 new guns 的使用如何导致 commercial hunting industry 的 emergence,并对比 nowadays 的情况指出 no commercial farming 且 meat is hardly eaten

    这个 historical narrative sequence 通过 past-present contrast 解释了主旨中 hunting 作为 tradition continuation 的 origins,woman 用 grandfather's story 提供 personal connection 使 historical facts 更 relatable,这个 segment 通过 revealing 狩猎从 practical necessity 到 mere tradition 的 transformation,为理解 current practice 的 irrational nature 提供了 critical context

    说明狩猎作为传统的历史来源
  4. P8 P9 P10

    评价现状：传统延续与价值缺失

    男士用 evaluative statement 将 duck hunting 定性为 continuation of tradition,女士通过 her grandfather's perspective 说明 ducks 与 farmers 的 conflicting relationship,提到 farmers 曾 poison them due to crop damage,男士用 closing remark 表达 agreement 并 summarize 核心问题,即 nobody values 这些 birds 的 lives 或 meat,形成了对 current practice 的 critical assessment

    这个 closing segment 通过 evaluative exchanges 将 dialogue 的 various threads 整合成 coherent critique,man's characterization of hunting as mere tradition 和 his final observation about lack of value 呼应了主旨中关于 hunting 在 today 缺乏 commercial or dietary value 的 conclusion,woman's anecdote about farmers poisoning ducks 进一步 reinforce 了 birds 的 marginalized status

    指出狩猎缺乏实际价值仅为传统
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2021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. 首句定调 P1

    对话的 opening statement 通常会直接 reveal 说话者想要 discuss 的 issue 或者 express 的 concern，这是判断 main idea 的最快 entry point。

  2. 因果链追踪 P2 P3 P4

    对话经常通过 explain 原因来 develop main idea，这些 causal explanations 会 reveal 文章想要 convey 的 deeper understanding 和 analytical perspective。

  3. 时间线对比 P5 P7 P8

    当对话 shift 到 historical background 时，这通常是在 provide context 来 support 或 explain current situation，这些 historical elements 会成为 main idea 的重要 component。

  4. 结论态度提炼 P8 P9 P10

    对话的 concluding part 经常包含 speakers 的 overall assessment 或 value judgment，这些 conclusive statements 会 crystallize 整个对话的 central message。

  5. 四维整合 P1 P3 P5 P10

    Main idea 不是单一 element，而是对话中 multiple components 的 integration。通过 systematically combine topic、causes、context 和 evaluation，我们能 accurately capture 文章的 comprehensive message。

主旨信号词 decline P1 caused by P2 began in the 19th century P5 continuation of a tradition P8 hardly eaten P7 can't believe P1

MAIN IDEA · 主旨

这篇文章在说什么

两人讨论了由于狩猎和气候变化导致的鸭子数量下降,鸭子狩猎作为移民食物来源的历史起源,以及尽管这些鸟类如今几乎没有商业或饮食价值,这一传统仍在延续。
Two people discuss the decline of duck populations due to hunting and climate change, the historical origins of duck hunting as a food source for immigrants, and its continuation as a tradition despite the birds having little commercial or dietary value today.
WORD INFERENCE · 生词推断

4 个生词的上下文推断

不查词典，只用文中线索推出词义——每个词给出推断出的释义与 完整推理链。已收录进英语四级高频真题词集的单词可点击进入词条页。

  • breed 繁殖、繁育

    我们把两条 clues 串联起来:首先,breed 和 feed 是 parallel structure,都是 ducks 在 water-rich areas 的 basic activities;其次,当 water 减少时,breed 这个 activity 受阻会导致 duck population 下降。这个 cause-and-effect chain 清晰地指向:breed 是关于 reproduction 的行为。Feed 维持个体生存,breed 维持 species continuation,两者都是 survival essentials。

    并列结构定语义范畴,因果链条精准定义
  • inhabit 居住、栖息

    通过两个 paragraphs 的 cross-reference,我们建立了这样的 reasoning chain:habitats shrinking → fewer places to inhabit → ducks concentrate。Habitat 是 noun,inhabit 是 verb,两者有明显的 morphological connection(同根词)。从 logical flow 看,inhabit 必定是 animals 对 habitat 进行的 action,即'reside in or occupy' a place for living。

    同根名词提示语义域,因果逻辑验证词义
  • immigrant 移民

    整合 contextual clue 和 morphological clue:从 context 看,poor immigrants 在 19th century farming areas 需要 plentiful food source like ducks;从 word structure 看,im-migr-ant 表示'move into' 的 people。这两条 lines of evidence 共同指向:immigrants 是从 other places moved into 这些 farming areas 的 people,而且 economic condition 较差,需要 easily available food。

    修饰语定位群体特征,词根揭示核心概念
  • plentifully 充足地、大量地

    综合 parallel structure 和 morphological analysis:easily found 和 plentifully available 都在强调 ducks 作为 food source 的 advantages for poor immigrants。从 structure 看,-fully 表示'充满某种状态地',从 context 看,对于 poor people,food source 的 quantity 和 availability 是 crucial。因此,plentifully 表示'in abundant quantity',强调 supply 的 richness。

    并列副词界定语义类别,后缀解析精确程度
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。

  • 反问

    P2

    在 第2段 中，男士使用了 rhetorical question "But can anyone be sure...?" 来质疑 duck population decline 的 causation。这个 but-initiated question 并不期待 a definite answer，而是通过 questioning the certainty 来引出 climate change 这个 alternative explanation。这种 conversational move 推动了 dialogue 从 simple criticism of hunting 转向 more nuanced discussion of multiple factors，为后续女士的 comprehensive explanation 铺垫了 logical space。

    信号词 But Yet However Really Actually Can anyone be sure Is it certain Who can say

    仿写： 当你想在 dialogue 中 challenge an assertion 或者 introduce complexity 时，可以使用 rhetorical question 而非 direct negation。比如对方说 "Social media improves communication"，你可以回应 "But can we really say it improves communication when people spend less time in face-to-face interaction?" 这样既表达了 skepticism，又保持了 conversational tone。模版："But can anyone/we be sure/certain that [对方观点] when [反驳证据]?"

  • 重复

    P3 P4

    在 第3段 中，女士两次使用了 "ducks" 和 "water" 相关的 semantic field："Ducks are birds that feed and breed in areas where there is a lot of water" 和 "their habitats have been shrinking"。这种 lexical repetition 和 thematic consistency 强化了 core argument about habitat dependency。通过 repeating the connection between ducks and water-rich environments，女士使得 causation chain 更加 clear and memorable，让听者能够 grasp the logical link between drought and population decline。

    仿写： 当你需要在 dialogue 中 establish a causal relationship 或者 emphasize a key concept 时，可以通过 strategic repetition of core terms 来实现。比如讨论 online learning 时："Students need interaction. They need interaction with peers, interaction with teachers, real-time interaction that builds understanding." 这样的 triple repetition creates emphasis。模版：先 introduce the key term in context，然后在 follow-up sentences 中 revisit it from different angles。

  • 语气词

    P4

    在 第4段 中，男士使用了 "I guess" 和 "surely" 这两个 modal expressions。"I guess" 表达了 tentative reasoning，显示 speaker 正在 make an inference rather than state a fact。而 "surely" 则 conveys a sense of logical inevitability，暗示这个 conclusion 是 self-evident。这种 combination of hedging and certainty 让对话显得 more authentic——说话者既展示了 thinking process，又表达了 confident deduction。这种 modality 的运用使 dialogue 不是 mere exchange of facts，而是 collaborative reasoning process。

    信号词 I guess surely I suppose probably perhaps maybe certainly obviously clearly presumably it seems I think

    仿写： 在 dialogue 中进行 logical inference 或者 present a conclusion 时，可以用 hedging devices 来 show your reasoning process。比如："I suppose with more people working from home, traffic congestion would naturally decrease." 这里的 "I suppose" 和 "would naturally" 都是 modal markers。或者用 "It seems to me that..." "Presumably..." 等。模版："I guess/suppose [observation] + modal verb + [logical outcome], which surely/certainly [further implication]."

  • 语气词

    P8

    在 第8段 中，男士用 "seemingly" 这个 adverb 来 qualify his statement "duck hunting seemingly exists as the continuation of a tradition." 这个 modal adverb 表达了 speaker's interpretation rather than asserting an objective fact。"Seemingly" 暗示这是 based on the evidence presented，but leaves room for alternative interpretations。这种 cautious phrasing 在 academic or analytical dialogue 中很常见，它显示 intellectual humility 和 awareness that one's conclusion 可能只是 one possible reading of the situation。

    信号词 seemingly apparently evidently presumably allegedly supposedly arguably possibly

    仿写： 当你在 dialogue 中 make an interpretation or conclusion based on evidence 而非 direct knowledge 时，使用 hedging adverbs 可以让你的 statement more academically sound。比如："This approach seemingly works better in small teams" 或 "The policy apparently aims to reduce costs." 模版：[Subject] + seemingly/apparently/evidently + [verb] + [interpretation/conclusion]。这样既表达了你的 analysis 又保持了 intellectual caution。

  • 语气词

    P10

    在 第10段 中，男士说 "That somehow doesn't surprise me." 这里的 "somehow" 是个 interesting hedge，它表达了 a vague sense of expectedness 但不能完全说清 the exact reason。"Doesn't surprise" 本身表达 the information aligns with speaker's expectations，而 "somehow" 增加了 a layer of uncertainty about why exactly he expected this。这种 combination 传达了 a complex attitude——既有 resignation 对现状的无奈，又有 implicit criticism 对 the devaluation of duck lives。这种 nuanced expression 让 dialogue 更有 emotional depth。

    信号词 somehow somewhat sort of kind of in a way to some extent rather

    仿写： 当你想在 dialogue 中 express a reaction that's based on intuition rather than clear reasoning 时，"somehow" 是很好的 choice。比如："That somehow makes sense given what we know about the company" 或 "I somehow expected this outcome." 模版：[Statement/fact] + somehow + [verb expressing expectedness/alignment]，或 I somehow [verb expressing feeling/belief]。这样的 phrasing 承认了 your intuitive judgment 而不 claim to have complete logical clarity。

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。

  • 质疑因果关系的确定性

    P2
    But can anyone be sure if the decline is really caused by the hunting or by climate change?

    转折类 But but however yet nevertheless nonetheless still

    男士用 but 引出的 rhetorical question 实际是在 challenge 女士的 assertion，他的 implication 是：decline 的 causation 可能不像女士说的那么 straightforward。这个 subtext 对 main theme 的作用是 introduce complexity，让 discussion 从 simple condemnation of hunting 转向更 nuanced 的 multi-factor analysis，为后续 climate change 和 habitat loss 的 discussion 做 preparation。

  • 推理出恶性循环机制

    P4
    And I guess with fewer places to inhabit, they concentrate in greater numbers in few areas, which surely makes them easier targets for the hunters.

    模糊限制语 I guess I suppose I think I believe probably perhaps maybe

    男士表面上用 I guess 表达 tentative，但实际的 subtext 是他 logically deduced 了一个 vicious cycle：habitat shrinking → concentration → easier hunting。这个 implication 对 main theme 的 contribution 是 explicitly connect hunting 和 climate change 这 two factors，showing 它们不是 isolated causes 而是 互相 amplify 的 synergistic threats，这 deepens 了对 duck population decline 的 understanding。

  • 暗示狩猎的历史正当性

    P5
    They were easily found and a plentifully available food source in farming areas, especially for poor immigrants.

    委婉表达 They were easily found and a plentifully available food source food source available resource practical necessity survival needs traditional practice cultural heritage

    女士用 plentifully available food source 和 poor immigrants 这些 descriptors，她的 implication 是在 contextualize hunting as a survival strategy rather than sport or cruelty。这个 subtext 对 article theme 的作用是 add historical dimension，explaining how hunting became established practice，这为后面 discuss 其 continuation as mere tradition（而非 necessity）提供 contrast 和 ironic backdrop。

  • 讽刺性暗示传统的荒谬

    P8
    No, duck hunting seemingly exists as the continuation of a tradition.

    模糊限制语 seemingly apparently supposedly ostensibly on the surface it appears that it seems like

    男士说 seemingly exists as continuation of tradition，他的 implication 是充满 irony 的：既然 ducks 不再是 food source，hunting 就失去了 original rationale，现在只是 meaningless tradition。这个 subtext 对 main theme 至关重要，它 exposes 了 central critique——hunting continues not because of necessity but merely because of inertia，这 reinforces 文章对 hunting 的 negative stance。

  • 揭示矛盾的低价值认知

    P10
    That somehow doesn't surprise me. Nobody places much value on the lives of these poor birds or on their meat.

    情态词 That somehow doesn't surprise me somehow actually in fact indeed naturally predictably

    男士说 doesn't surprise me 然后 generalize 到 nobody places value，他的 implication 是这种 devaluation 是 systemic issue，不是 isolated incident。用 poor birds 显示 sympathy 和 moral judgment。这个 subtext 对 main theme 的作用是 culminate 整个 discussion，explicitly stating 文章的 core criticism：社会对 duck lives 的 systematic disregard，这 ties together hunting、poisoning 等 all manifestations of this devaluation。

SENTENCE INSIGHTS · 句子精讲

4 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 2021年12月英语四级真题第1套 Part II Section B (1) 的常见问题

2021年12月英语四级真题第1套 Part II Section B (1) 文章的主旨是什么？
两人讨论了由于狩猎和气候变化导致的鸭子数量下降,鸭子狩猎作为移民食物来源的历史起源,以及尽管这些鸟类如今几乎没有商业或饮食价值,这一传统仍在延续。（英文表述：Two people discuss the decline of duck populations due to hunting and climate change, the historical origins of duck hunting as a food source for immigrants, and its continuation as a tradition despite the birds having little commercial or dietary value today.）
2021年12月英语四级真题第1套 Part II Section B (1) 文章是什么体裁？难度如何？
体裁为对话。CEFR 难度 B2，全文 282 词、10 段；在英语四级全部 511 篇真题文章中，B2 级共 234 篇（占 46%）。
2021年12月英语四级真题第1套 Part II Section B (1) 文章的篇章结构是怎样的？
全文 10 段按对话骨架分为 4 个意群：第1段、第2段——引出话题：鸭子数量下降的现状；第3段、第4段——解释下降原因：双重因素分析；第5段、第6段、第7段——追溯历史：狩猎传统的起源；第8段、第9段、第10段——评价现状：传统延续与价值缺失。
2021年12月英语四级真题第1套 Part II Section B (1) 文章中有哪些值得积累的生词？
按文中出现顺序共 4 个：breed（繁殖、繁育）、inhabit（居住、栖息）、immigrant（移民）、plentifully（充足地、大量地），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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