懒笔记
2024年12月英语四级真题第3套 Part III Section A Hyper-Realistic Masks Can Be More Believable Than Real Human Faces
CET-4 · 来自 2024年12月英语四级真题第3套 · Part III Section A · 完形填空（选词填空）

Hyper-Realistic Masks Can Be More Believable Than Real Human Faces

2024年12月英语四级真题第3套文章逐层精读

本文节选自2019年11月20日发表于SciTechDaily上的一篇标题为 “Hyper-Realistic Masks Can Be More Believable Than Real Human Faces” 的文章。

本页是 2024年12月英语四级真题第3套 Part III Section A 文章的精读视角页——这篇说明文全文 247 词、8 段，CEFR 难度 B2（B2 级在英语四级文章中占 46%），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

8 段英文原文

以下为2024年12月英语四级真题第3套 Part III Section A 的完形填空（选词填空）原文，共 8 段。左侧 P1–P8 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。

Hyper-Realistic Masks Can Be More Believable Than Real Human Faces

Super realistic masks are made from flexible materials such as silicone and are designed to imitate real human face—down to every last detail.

In a study by the Universities of York and Kyoto, researchers asked participants to look at pairs of photographs and decide which showed a normal face and which showed a person wearing a mask.

Surprisingly, participants made the wrong call in one-in-five cases.

The 20% error rate observed in the study likely underestimates the extent to which people would struggle to tell an artificial face from the real thing outside of the lab.

The researchers collected data from participants from both the UK and Japan to establish any differences according to race. When trial participants were asked to choose between photographs of faces of a different race from theirs, response times were slower and selections were 5% less accurate.

There are now dozens of criminal cases in which offenders have passed themselves off as people of a different age, race or gender, sending police investigations down the wrong path.

In one recent case, an international gang used an extremely realistic mask to pose as a French minister, cheating business executives out of millions of pounds.

Dr Jet Sanders, who worked on the study while a PhD student at the University of York, said: "Failure to detect synthetic faces may have important implications for security and crime prevention as super realistic masks may allow the key characteristics of a person's appearance to be incorrectly identified."

PARAGRAPHS · 逐段精读

8 段逐段主旨与解读

逐段拆解2024年12月英语四级真题第3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 Rise of Super Realistic Masks

    Super realistic silicone masks can closely imitate real human faces.

    本段为全文建立了话题基础，即高仿真人脸面具这一 new technology。只有先理解其逼真程度，读者才能理解后文为何 participants 会误判，以及这种现象为何会带来 security risks。

    锁定定义对象
  2. P2

    Testing Face Recognition

    Researchers conducted a photo-based test of people's ability to identify masks.

    本段承接首段的面具介绍，把一般性的技术现象转化为可检验的 scientific question。它为 第3段 的错误率提供了数据来源，使后文结论显得有 evidence 支撑。

    抓实验任务
  3. P3

    A Surprising Error Rate

    People incorrectly identified faces in one out of five cases.

    本段给出了全文最核心的 research finding：人类识别高仿面具并不可靠。该 20% error rate 是文章主旨中“masks successfully deceive people”的直接证据，也自然引出后文对真实风险的进一步讨论。

    锁定关键比例
  4. P4

    Greater Risks Beyond the Lab

    People may find it even harder to detect artificial faces in real-life settings.

    本段放大了 第3段 数据的意义：20%并不是风险上限，而可能只是 conservative estimate。它推动文章从单纯报告研究结果，转向强调面具在现实社会中的潜在危害。

    比较实验与现实
  5. P5

    The Cross-Race Recognition Effect

    Cross-race face judgments were slower and less accurate.

    本段补充了识别错误的影响因素，说明某些情境下人们更容易被面具欺骗。它增强了文章论证的深度，也暗示犯罪者若利用 racial difference，可能进一步提高 disguise 的欺骗效果。

    抓条件与差异
  6. P6

    Disguises in Criminal Cases

    Criminals have used realistic disguises to misdirect police investigations.

    本段把前文的识别困难落实为现实中的 law-enforcement problem。它证明高仿面具并非仅是实验室中的视觉现象，而是已经可能影响 police investigations 的社会安全问题。

    抓犯罪后果
  7. P7

    A High-Profile Mask Fraud

    A realistic mask was used to impersonate a minister in a major fraud.

    本段是对 第6段 的强有力 concrete example，将抽象的犯罪风险具象化为巨额诈骗案。它显示面具伪装不仅可能干扰身份识别，还能够被用于 financial crime，显著提升文章的警示力度。

    提炼案例链条
  8. P8

    Security Implications of Synthetic Faces

    The inability to detect synthetic faces poses serious security and crime-prevention concerns.

    本段总结并提升全文主题：研究发现的价值不止于说明人脸识别会出错，更在于揭示这种错误可能危及 public security。它与文章主旨完全呼应，最终强调犯罪预防需要重视 super realistic masks 带来的身份误判风险。

    回扣安全警示
SELF CHECK · 段落自检题

8 道逐段细节自检题

针对2024年12月英语四级真题第3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 super realistic masks defining feature

    What is a defining feature of super realistic masks?

    • A They are produced mainly to help police identify criminals.
    • B They use photographs to reproduce the exact appearance of public officials.
    • C They are made of flexible materials and designed to copy a human face in minute detail.
    • D They are rigid devices that conceal only a person's age.
    • E They are less convincing when viewed at close range.
    • F They are designed to distinguish artificial faces from real ones.
    显示答案与解析 收起答案与解析

    正确答案：C

    该项同时保留 flexible materials 和 designed to imitate 两条核心信息，并把 down to every last detail 合理改写为 in minute detail，形成“材料加功能”的完整对应。障碍在于 copy 并非原词 imitate，考生必须识别同义替换；同时答案没有机械重复 silicone，避免把一个例子误当作唯一材料。

    材料目的双槽 时间极紧时，直接抓题干中的 super realistic masks 加 defining feature，定位至 第1段。不要逐项先读完；先在该段画出“材料动词短语”和“目的动词短语”，再选唯一同时覆盖两条信息的正确项。这个“双槽核验”比依赖单个相同词更快，因为干扰项往往只蹭到其中一槽。

  2. 第 2 段 定位词 participants required to do

    What were the participants required to do in the study?

    • A They created silicone masks for people of different races.
    • B They identified the criminals who had misled the police.
    • C They judged whether a face belonged to a French minister.
    • D They examined pairs of photographs and decided which image showed a normal face.
    • E They explained why artificial faces could threaten security.
    • F They selected the most realistic mask from several samples.
    显示答案与解析 收起答案与解析

    正确答案：D

    该项准确压缩了两步操作：look at pairs of photographs 与 decide which showed a normal face。它省略了另一半“wearing a mask”，但不改变二选一任务的性质。障碍在于 examined 是对 look at 的同义替换，正常 face 也可能被考生误读成真实身份。

    动作链反扫 用 participants required to do 中的 required to do 反向扫描动作链，定位 第2段。只提取该段的两个并列动作，再选择结构上对应“观察材料加作出判定”的正确项；无需先理解全文的犯罪影响。

  3. 第 3 段 定位词 incorrect judgment How often

    How often did participants make an incorrect judgment?

    • A In one out of every twenty cases.
    • B In five percent of the cases.
    • C In all cases involving faces of another race.
    • D Only when they were outside the laboratory.
    • E In one out of every five cases.
    • F Whenever they saw a person wearing a silicone mask.
    显示答案与解析 收起答案与解析

    正确答案：E

    该项与 one-in-five cases 是完全等值的比例表达，并精确对应错误判断发生的频率。设置障碍在于文章别处有 20% 和 5% 两个百分比；考生必须把数字与其所描述的行为绑定，而不能仅凭数值相近选择。

    错误率绑定 抓住 incorrect judgment 的负向词和 How often 的数字需求，定位 第3段。将该句中的 one-in-five 立即心算成“一成组五”，再选与该比例同值的正确项。此法只做一次单位转换，不受后续 20% 和 5% 干扰。

  4. 第 4 段 定位词 reported 20% error rate full difficulty

    Why might the reported 20% error rate fail to show the full difficulty people face?

    • A The researchers accidentally calculated the error rate incorrectly.
    • B Only Japanese participants were included in the experiment.
    • C Most masks used in the lab were not made of silicone.
    • D Participants were given too much time to inspect each photograph.
    • E The 20% figure applies only to offenders of a different race.
    • F People would probably find it even harder to distinguish artificial faces from real ones in real-world settings.
    显示答案与解析 收起答案与解析

    正确答案：F

    该项保留 probably 的不确定语气，准确转述 likely underestimates，并把 outside of the lab 改写为 real-world settings。even harder 对应 struggle 的程度增强，解释了为何实验中的 20% 不能呈现 full difficulty。障碍是答案没有重复 underestimate，而是用“现实更难”反推其含义。

    实验现实反推 直接用 20% error rate 定位 第4段，并只读该数字后面的一个逻辑单元，尤其捕捉 underestimate 与 outside of the lab。随后选能构成“实验条件较易，所以现实困难更大”反向关系的正确项；不必回头重复计算 20%。

  5. 第 5 段 定位词 a race different from their own What happened

    What happened when participants judged faces of a race different from their own?

    • A Their responses took longer, and their choices were 5% less accurate.
    • B Their responses became faster, but their choices were less accurate.
    • C Their responses took longer, but their choices became 5% more accurate.
    • D They could no longer tell a normal face from a masked person.
    • E They were asked to compare faces only with participants from Japan.
    • F They made the same number of mistakes as participants viewing faces of their own race.
    显示答案与解析 收起答案与解析

    正确答案：A

    该项完整保留两条并列结果：response times were slower 与 selections were 5% less accurate，并将 selections 规范改写为 choices。障碍在于题干只问 What happened，考生容易只选择 slower 或 5% less accurate 的半对答案；四级常要求覆盖并列信息。

    双指标对照 抓住 different from their own 这个人称改写，定位 第5段。只看条件句后的并列谓语，画出时间指标和准确率指标，再选择两个方向都吻合的正确项。对于此类题，双指标齐全比单词复现更有判别力。

  6. 第 6 段 定位词 police investigations consequence

    What consequence have disguise-related criminal cases had for police investigations?

    • A They have enabled police to identify offenders more quickly.
    • B They have been led in the wrong direction.
    • C They have reduced the number of crimes involving false identities.
    • D They have forced offenders to reveal their real age and gender.
    • E They have limited investigations to international gangs.
    • F They have made business executives more cautious about masks.
    显示答案与解析 收起答案与解析

    正确答案：B

    该项将 sending police investigations down the wrong path 准确改写为 led in the wrong direction，保留调查受误导的结果。障碍是使用被动语态替换原文的主动分词结构，且用 direction 替代 path，考查对隐喻性同义表达的理解。

    警方路径锁定 以 police investigations 精确定位 第6段，然后跳过前半句的案件数量与伪装类别，只读取其后由 sending 引出的结果。选取对“调查路径偏离”作同义改写的正确项，速度最快。

  7. 第 7 段 定位词 international gang business executives

    How did the international gang defraud business executives in the recent case?

    • A It persuaded executives to wear masks of a different race.
    • B It altered a French minister's age and gender in photographs.
    • C It used an extremely realistic mask to impersonate a French minister.
    • D It sent police investigators to Japan to verify its identity.
    • E It falsely claimed that the executives had lost millions of pounds.
    • F It exploited participants' inability to make quick selections.
    显示答案与解析 收起答案与解析

    正确答案：C

    该项准确保留 used an extremely realistic mask to pose as a French minister 的方式结构；impersonate 是 pose as 的正式同义替换。障碍在于 French minister 是被冒充的身份，不是团伙成员，考生须理清代词 It 的指代与角色关系。

    工具冒充骨架 用 international gang 定位 第7段，再把题干的 how 转换为寻找工具加不定式目的结构。直接匹配该句的“used [tool] to [assumed identity]”骨架，选择同骨架的正确项；金额信息一律视为结果，不参与判断。

  8. 第 8 段 定位词 Dr Jet Sanders synthetic faces

    What concern did Dr Jet Sanders raise about synthetic faces?

    • A They can guarantee that police identify every offender correctly.
    • B They make laboratory studies more accurate than real-world investigations.
    • C They are useful mainly because they help people recognize racial differences.
    • D They may cause key aspects of a person's appearance to be identified incorrectly, creating security and crime-prevention risks.
    • E They prevent criminals from posing as people of another age or gender.
    • F They will eliminate the need for crime-prevention measures.
    显示答案与解析 收起答案与解析

    正确答案：D

    该项完整转述 failure to detect synthetic faces 的风险链：key characteristics 被 incorrectly identified，并对 security and crime prevention 产生重要影响。creating 表达后果关系，但保留 may，未把潜在风险说成既成事实。障碍在于将 appearance 的 key characteristics 概括为 key aspects，需要识别语义等值。

    风险链指纹 直接以 Dr Jet Sanders 定位 第8段，跳到引语中 synthetic faces 之后，抓取 may allow 与 incorrectly identified 这条风险链。用“可能错误识别加安全后果”作为语义指纹，选择保留两端并维持 may 的正确项。

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

    引入研究对象

    这个 opening paragraph 通过 definition 的方式 introduce 了 super realistic masks 这个 research object，强调它们是用 flexible materials 比如 silicone 制成的，能够 imitate real human faces 到每个 detail，为后续的 experimental findings 建立 context。

    这个 introductory sense group 通过 defining super realistic masks 的 characteristics，为整篇 expository article 奠定了 foundation，让 readers 明白后续 research 和 security implications 都是围绕这种 highly realistic artificial faces 展开的。

    定义核心研究对象
  2. P2 P3 P4

    呈现核心实验发现

    这个 sense group 通过 presenting a specific study 和它的 surprising findings，reveal 了一个 key fact：participants 在 one-in-five cases 中 made wrong judgments about distinguishing real faces from masked ones，这个 20% error rate 构成了整篇文章的 central empirical evidence。

    这个 sense group 是说明文的 evidence core，它通过 experimental data 把 abstract concept（realistic masks）转化为 quantifiable findings（20% error rate），directly support 主旨中关于 masks successfully deceive people 的 claim，为后续的 implications discussion 提供 solid empirical foundation。

    提供核心数据证据
  3. P5

    补充实验变量分析

    这个 sense group 通过 introducing the race variable，demonstrate 了 cross-race effect 对 mask detection 的 impact：当 participants 面对 different race faces 时，response times 更慢，accuracy 降低了 5%，这是对 core finding 的 nuanced extension，体现了 research 的 thoroughness。

    这个 sense group 通过 adding a cross-cultural dimension 到 experimental findings，strengthen 主旨中 masks deceive people 的 claim，说明 deception 不仅是 general phenomenon，在 cross-race contexts 中甚至 more pronounced，使 security implications 更加 compelling 和 universal。

    丰富实验维度
  4. P6 P7

    展示现实应用案例

    这个 sense group 通过 presenting real-world criminal cases，demonstrate 了 super realistic masks 在 actual crimes 中的 usage：offenders 利用 masks 来 disguise their identity（age、race、gender），导致 police investigations 走向 wrong directions，这把 laboratory findings 与 practical consequences 连接起来。

    这个 sense group 是说明文中 bridging theory and practice 的关键环节，它通过 concrete criminal cases 让主旨中的 security and crime prevention implications 变得 tangible 和 urgent，demonstrate 了 research findings 的 real-world relevance 和 practical significance。

    提供现实案例佐证
  5. P8

    权威解读意义

    这个 concluding sense group 通过 expert commentary from Dr Jet Sanders，explicitly articulate 了 research 的 broader implications：failure to detect synthetic faces 对 security and crime prevention 有 important implications，因为 masks 可能导致 key characteristics of appearance 被 incorrectly identified，这是对整个 study 的 authoritative interpretation。

    这个 sense group 作为说明文的 conclusion，通过 researcher's voice 把 empirical findings 和 criminal cases 提升到 policy-relevant level，directly echo 主旨中的 significant implications for security and crime prevention，为整篇文章提供 authoritative closure 和 forward-looking perspective。

    明确警示意义
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2024年12月英语四级真题第3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. 首段定义研究对象 P1

    说明文的 opening paragraph 通常直接 introduce 研究对象或现象，在这里 第1段 明确定义了 super realistic masks 这个核心研究对象，为后续 research findings 和 implications 奠定基础

  2. 提取实验核心数据 P2 P3 P4

    说明文尤其是 research-based expository writing 的主旨往往围绕 empirical findings 展开。第2段-4 构成 research methodology 和 findings 的 core section，其中 20% error rate 是 central data point，直接支撑文章关于 deception effectiveness 的主旨

  3. 定位现实应用案例 P6 P7

    说明文的主旨往往不仅呈现 research findings，还强调其 practical significance。第6段-7 通过 criminal cases 和 specific examples 展示研究发现的 real-world relevance，这是文章主旨中 'implications for security and crime prevention' 的直接体现

  4. 捕捉专家总结陈述 P8

    说明文常在结尾通过 expert voice 来 synthesize findings 并明确 broader implications。第8段 中 Dr. Sanders 的 quote 直接阐述了 'failure to detect' 对 'security and crime prevention' 的 implications，这是对文章主旨最直接、最权威的 summary

  5. 整合四层信息结构 P1 P2 P3 P4 P6 P7 P8

    说明文主旨需要整合 what (研究对象)、what happened (研究发现)、why it matters (实际意义) 三个层面。通过前面步骤获取的 four components 构成了 complete picture：masks 的 realistic nature → deception effectiveness → criminal exploitation → security implications，这个 logical chain 就是文章主旨的完整表达

主旨信号词 super realistic P1 wrong call P3 error rate P4 criminal cases P6 implications P8

MAIN IDEA · 主旨

这篇文章在说什么

这篇说明文解释了关于超逼真硅胶面具的研究发现,这些面具能成功欺骗人们辨别真实面孔与人造面孔,错误率达20%,强调了这对安全和犯罪预防的重大影响,因为犯罪分子越来越多地利用这些面具。
This expository article explains research findings on super realistic silicone masks that successfully deceive people in identifying real versus artificial faces, with a 20% error rate, highlighting significant implications for security and crime prevention as criminals increasingly exploit these masks.
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。

  • imitate 模仿、仿制

    让我们把这些 clues 串起来。首先,从 functional purpose 看,masks 被设计成要达到和 real human face 一样的 effect,而且是 down to every last detail 的精确程度。其次,从 semantic relationship 分析,这个 verb 建立了 artificial mask 和 real face 之间的 connection,是一种 reproduction 关系。最后,从 morphology 角度,词根 imit- 本身就带有 copying 的含义。三条 clues converge 到同一个 conclusion: 这个词表达的是通过 copying 或 reproducing 来达到相似效果的动作。

    功能-关系-构词三维推断
  • extent 程度、范围

    我们从三个 angles 来整合。Syntactically,这个词在 to which structure 中作为 quantifiable concept 出现。从 collocation 看,它是 underestimate 的 object,表达某种可以被 estimated 的 magnitude。从 morphology 分析,ex- + tent 的 composition 暗示 extension 或 reach 的概念。综合这些 clues,这个词指的是某种 degree、范围或 magnitude,在这个 context 中具体指 difficulty 的程度能 reach 多远。

    搭配-句法-词源三重验证
  • synthetic 合成的、人造的

    让我们 connect all the dots。从 semantic contrast 看,这个 adjective 修饰的 faces 是 masks,与 real faces 形成 opposition。从 thematic summary 角度,article 讨论的是 man-made masks from silicone,所以在 conclusion 中这个词应该 capture 这种 artificial nature。从 etymology 看,syn- + -thet- + -ic 的 composition 表达 putting together by human action 的概念。三条线索 point to 同一个 direction: 这个词描述的是 artificially created,而非 naturally occurring 的属性。

    对比-主题-词源递进法
  • offender 违法者、犯罪者

    我们 synthesize 这些 evidence。从 contextual positioning 看,这个词出现在 criminal cases 的 framework 中,指 cases 里的 active participants。从 behavioral consequence 分析,这些人的 actions 导致 police investigations,说明他们是 law violation 的 perpetrators。从 word structure 看,-er suffix 加在 offend 上,明确表示 those who commit offenses。三个 layers of evidence 都指向同一个 conclusion: 这是 legal context 中违法或 commit crimes 的人。

    语境-行为-构词三角定位
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。

  • 下定义

    P1

    文章开篇用 'are made from... and are designed to...' 这样的 defining structure 给 super realistic masks 下了个清晰的 definition，明确指出它们是 flexible materials 比如 silicone 制成，并且 imitate real human face 到 every last detail。这个 precise definition 为整篇文章奠定了 foundation，让读者明白后文讨论的 deceptive capability 是建立在这种 high-fidelity imitation 之上的，直接服务于 main thesis 关于 masks 能成功 deceive people 的论述。

    信号词 are made from is defined as refers to means is characterized by consists of is composed of can be described as is known as

    仿写： 写 expository articles 时，如果要 introduce 一个 specialized term 或 novel concept，可以先问自己：这个 object 的 defining features 是什么？它由什么 composed？它的 primary function 是什么？然后用 'X is/refers to/means...' 开头，followed by material/structure description 和 functional characteristics。 仿写模版：'[主题词] + are/is + [材质/组成] + and are designed to/aim to + [核心功能] + down to [具体程度]'。 Example: 'Biodegradable plastics are made from plant-based materials such as cornstarch and are designed to decompose naturally in the environment—down to complete breakdown within months.'

  • 列数字

    P3 P4 P5 P6 P7

    文章在 multiple paragraphs 中使用了 numerical data 来 quantify 这个 deception problem 的 severity。第3段 的 'one-in-five cases' 和 第4段 的 '20% error rate' 用 precise statistics 说明 misidentification 的 frequency；第5段 的 '5% less accurate' 量化了 cross-race recognition 的 difficulty increase。这些 concrete numbers 让 abstract concept of 'hard to distinguish' 变得 tangible and convincing，directly support main thesis 关于 masks 具有 significant deceptive power，并为 第8段 提到的 security implications 提供了 solid evidence。

    信号词 one-in-five 20% 5% percent rate ratio times dozens of millions fold approximately nearly over

    仿写： 使用数字时要考虑：what aspect needs quantification？选择最能 illustrate your point 的 metrics。可以用 percentages 表示 proportions，用 ratios 做 comparisons，用 absolute numbers 显示 magnitude。数字最好 accompanied by context，比如 'X% error rate' 后面解释这个 rate 的 implications。 仿写模版：'[现象/结果] + in + [分数表达]/[百分比] + cases/instances' 或 '[数值] + % + [比较级形容词] + when [条件]'。 Example: 'Participants identified the counterfeit product in three-out-of-ten cases. Response accuracy dropped 15% lower when evaluating items under poor lighting conditions.'

  • 举例子

    P6 P7

    第6段 和 第7段 用了 real-world criminal cases 作为 concrete examples。第6段 提到 'dozens of criminal cases' 中 offenders 用 masks 伪装成 different age, race or gender，第7段 更进一步给出 specific instance：an international gang 用 mask 冒充 French minister 进行 fraud。这些 examples 把前面的 lab research findings 连接到 practical reality，让 abstract statistics 变成 vivid scenarios，strongly reinforce main thesis 关于 masks 的 security threat，使 readers 能 viscerally understand 这个 problem 的 real-world consequences。

    信号词 In one case In one recent case For example For instance Such as including Take... for example A case in point To illustrate Consider the case of

    仿写： 选择 examples 时要问：这个 case 能否 clearly demonstrate 我想说明的 point？Examples 应该 specific enough to be vivid 但 representative enough to support general claims。可以先 present general statement，然后用 'In one case/For example/For instance' 引入 specific scenario，最后可以 briefly explain 这个 example 如何 illustrate your point。 仿写模版：'There are now [数量描述] + cases in which + [现象总述]. In one recent case, + [具体案例细节]'。 Example: 'There are now numerous incidents in which deepfake technology has been exploited to spread misinformation. In one recent case, a manipulated video of a political leader making false statements went viral, influencing public opinion during a critical election period.'

  • 引资料

    P2 P8

    第2段 引用了 'a study by the Universities of York and Kyoto' 的 research，第8段 引用了 'Dr Jet Sanders' 这位 worked on the study 的 PhD student 的 expert opinion。第一处引用 establishes research credibility 和 methodological foundation，让后面的 findings 具有 academic authority；第二处引用通过 expert's direct quote 强化了 security implications 的 seriousness。这些 citations 给文章带来 authoritative backing，让 main thesis 不是 mere speculation 而是基于 rigorous research 和 expert analysis 的 substantiated claim。

    信号词 In a study by According to Research shows said noted stated reported found that As [expert] puts it Studies indicate Evidence suggests

    仿写： 引用资料时要考虑 source credibility：是否来自 reputable institutions 或 recognized experts？引用形式可以是 direct quotation（用引号）或 indirect reference（用 'according to', 'research shows'）。记得 introduce the source 在引用前（who said it, their credentials），这样能 establish authority。引用后最好 briefly explain 其 relevance to your argument。 仿写模版：'In a study by [机构名称], researchers [研究行为]' 或 '[专家姓名及头衔] said: "[直接引语]"'。 Example: 'In a report by the World Health Organization, scientists analyzed data from 50 countries to assess air quality trends. Dr. Maria Chen, lead environmental researcher at Stanford University, noted: "Urban pollution levels have reached a critical threshold that demands immediate policy intervention."'

  • 作比较

    P5

    第5段 用了 comparative method，对比 same-race 和 different-race face recognition 的 performance differences。文章指出当 participants 看 different race faces 时，'response times were slower and selections were 5% less accurate'。这个 comparison 揭示了一个 additional complexity factor—cross-race effect，说明 mask detection difficulty 不是 uniform 而是 varies with racial familiarity。这个 comparative finding 让 main thesis 更加 nuanced and comprehensive，暗示 real-world security threats 可能 even greater than lab results suggest，especially in diverse populations。

    信号词 slower and less accurate more than compared to in contrast whereas while however on the other hand conversely rather than versus

    仿写： 进行比较时要确保 comparison points 是 meaningful and relevant。选择 comparable subjects（same dimension, measurable on same scale），明确 comparison basis（what aspect are you comparing?）。可以用 comparative adjectives ('slower', 'less accurate', 'more effective')，或用 'compared to', 'in contrast to', 'whereas' 这样的 connectors。数字化的 comparison 最有说服力。 仿写模版：'When [条件A], [结果描述], whereas/while when [条件B], [对比结果] + [具体差异数据]'。 Example: 'When students used digital textbooks, retention rates averaged 78%, whereas when using traditional printed materials, retention improved to 85%, showing a 7% advantage for physical reading formats.'

  • 作诠释

    P4

    第4段 对 第3段 提到的 '20% error rate' 进行了 interpretive elaboration，指出这个 rate 'likely underestimates the extent to which people would struggle' in real-world situations outside lab settings。这个 interpretation 不是简单 restating the number，而是 explaining its deeper implications—lab conditions 比 real world 更 controlled，所以 actual problem 可能 more severe。这种 interpretive move 让 readers 理解 research limitations 和 practical significance，strengthen main thesis by suggesting the threat is actually greater than the data shows。

    信号词 likely underestimates suggests that implies indicates means that in other words that is to say this shows this reveals what this means is

    仿写： 进行诠释时要问：这个 fact 或 data 的 implications 是什么？它 suggests 什么 larger pattern 或 concern？可以用 'likely indicates', 'suggests that', 'implies', 'means that' 这样的 interpretive verbs。Interpretation 通常紧跟 factual statement，用来 bridge data and conclusions。注意诠释要 reasonable and supported，不能 over-interpret beyond evidence。 仿写模版：'The [数据/现象] + observed/found + likely + [程度副词] + underestimates/overestimates/indicates + [更深层含义] + [解释原因]'。 Example: 'The 15% productivity increase measured in the trial likely underestimates the full benefits remote work could provide, as participants were still adapting to new workflows during the short study period.'

IMPLIED MEANING · 言外之意

6 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。

  • 实验结果的意外性强调掩饰效果

    P3
    Surprisingly, participants made the wrong call in one-in-five cases.

    情态词类 Surprisingly surprisingly unexpectedly remarkably strikingly astonishingly ironically

    作者用 surprisingly 这个 word 传递的 implication 是：realistic masks 的 deceptive effectiveness 远超 people's intuition。这个 implication 对 main thesis 起到 crucial role，因为它 establish 了这项 research 的 importance——如果 masks 很容易被 detected，就不会有 security threat。这个 20% error rate 被 frame 成 surprising，就 amplify 了后文要讨论的 security implications，为整个 article 的 warning tone 奠定 foundation。

  • 实验室数据低估真实威胁程度

    P4
    The 20% error rate observed in the study likely underestimates the extent to which people would struggle to tell an artificial face from the real thing outside of the lab.

    模糊限制语类 likely underestimates may understate probably understates tends to minimize could underrepresent might downplay possibly understates

    这个 sentence 的 subtext 是：real-world threat 比 20% error rate 更 alarming。作者通过 likely underestimates 这个 phrase 传递的 message 是，lab 的 controlled conditions 无法 replicate 真实场景的 complexity（比如 lighting, distance, motion），所以 actual deception rate 应该 significantly higher。这个 implication 对 article thesis 极为 critical，因为它 justify 了为什么要 seriously concern 这个 security issue——不是因为 20% 本身，而是因为 real threat 可能 substantially exceed 这个 figure。

  • 跨种族识别难度加剧安全隐患

    P5
    When trial participants were asked to choose between photographs of faces of a different race from theirs, response times were slower and selections were 5% less accurate.

    对比类 slower... less accurate slower less accurate more difficult weaker performance reduced ability lower success rate

    这个 cross-race data 的 subtext 是：criminals 可以 strategically exploit 这个 cognitive bias。作者没有 explicitly state 这个 criminal implication，但通过 presenting 这个 vulnerability，暗示 masks 配合 cross-race disguise 会 create double jeopardy——既有 mask 本身的 deception，又有 race perception 的 impairment。这个 implied threat 对 article's thesis 起到 compounding effect，说明 security risk 不是 single-factor problem，而是有 multiple layers of vulnerability，使得 overall threat 更加 severe。

  • 理论威胁已转化为现实危害

    P6
    There are now dozens of criminal cases in which offenders have passed themselves off as people of a different age, race or gender, sending police investigations down the wrong path.

    时间标记类 now dozens of criminal cases now dozens of already numerous increasingly common growing number of mounting cases of accumulating evidence of

    这句话的 implication 是：前面讨论的 lab results 不是 theoretical concern，而是 explaining phenomena 已经在 causing havoc。用 "dozens of criminal cases" 这个 concrete evidence 把 abstract research 和 tangible harm 连接起来，传递的 message 是：this is happening right now and affecting real investigations。对 article thesis 来说，这个 transition 至关重要，因为它把 "masks can deceive people" 这个 finding 升级成 "masks are actively being used to commit crimes and evade justice"，significantly raising the stakes of the discussion。

  • 高级案例凸显威胁级别

    P7
    In one recent case, an international gang used an extremely realistic mask to pose as a French minister, cheating business executives out of millions of pounds.

    程度强化类 extremely realistic... international gang... French minister... millions of pounds extremely realistic highly sophisticated remarkably convincing exceptionally detailed strikingly authentic extraordinarily deceptive

    这个 example 的 subtext 是：mask technology 已经 sophisticated enough 用于 highest-stakes deception。提到 French minister 而非 ordinary citizen，暗示 even people in positions of power 和他们的 security apparatus 都 vulnerable。Millions of pounds 的 figure 说明 financial stakes 极高。整个 case 传递的 message 是：这不是 street-level crime，而是 professional, international, high-value operation。对 article thesis 来说，这个 dramatic example 是 culmination of the building argument——从 lab data 到 general crimes 再到 sophisticated international fraud，showing 这个 threat 的 full spectrum and maximum potential damage。

  • 学术警告升级为政策呼吁

    P8
    Failure to detect synthetic faces may have important implications for security and crime prevention as super realistic masks may allow the key characteristics of a person's appearance to be incorrectly identified.

    模糊限制语类 may have important implications could have significant consequences might pose serious challenges may present considerable risks could raise critical concerns might have far-reaching effects

    这个 concluding statement 的 implication 是：policymakers and security professionals 需要 immediately address 这个 threat。Sanders 用 "may have important implications" 这种 measured language，但实际传递的是 call for action。"Failure to detect" 配合 "security and crime prevention" 把整个 article 的 scattered findings 整合成 coherent warning：current security measures 可能 inadequate to handle this technology。对 article thesis 来说，这个 expert quote 是 authoritative conclusion，把前面的 lab data, error rates, criminal cases 都 tie together into 一个 policy-relevant message：这不是 interesting research finding，而是 security vulnerability that demands response。

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（ Cautionary concern）。下面是按步骤还原的判断过程与文中的态度信号词。

  1. 开篇引入 P1 P2

    说明文的开篇通常承担definition和background的功能，此时态度还没有显现，如果只看第1段就下结论会误判，需要把这一步当作baseline来对比后文。

  2. 评价副词 P3 P4

    20%的error rate本身是中立数字，但作者选用"surprisingly"来形容这个结果，说明作者对普通人无法辨别真假面具这件事是带着惋惜和警觉的，而不是单纯report数据。

  3. 案例性质 P6 P7

    说明文常常用举例来support论点，这里的例子清一色是crime和fraud，说明作者选材是刻意strengthen一种警示性论证，用具体harm来反衬mask技术的危险性。

  4. 权威收尾 P8

    说明文结尾常借助expert citation来点题升华，这里的quote里出现"failure"和"important implications for security"这类risk-focused词汇，说明全文最终定调是warning而不是单纯陈述事实。

  5. 四步综合定态度 P1 P2 P3 P4 P5 P6 P7 P8

    四层signal都指向同一个方向——从surprisingly到likely underestimates，再到crime cases，最后到implications for security，说明作者不是纯客观report一个study，而是在用说明文的框架传递一种concern。

文中的态度信号词

  • Surprisingly P3

    这个adverb把20%的error rate从冷数字变成一件让人诧异的事实，暗示作者对human ability无法辨别mask这件事感到担忧，而不是平铺直叙。

    同类词 unexpectedly shockingly strikingly remarkably

  • likely underestimates P4

    这个短语说明lab里测出的20%只是保守数字，real-world情况可能更糟，直接强化了作者对问题严重性的concern。

    同类词 may not fully capture probably understates could be even worse than

  • sending police investigations down the wrong path P6

    这个比喻性短语把abstract的辨别失误转化成具体的执法后果，凸显mask技术被滥用带来的real harm，支撑作者的批判立场。

    同类词 down the wrong path misled led astray thrown off track

  • cheating business executives out of millions of pounds P7

    "cheating"这个词带着明确的道德批判色彩，直接把mask滥用行为定性为不正当行为，表明作者对这一现象持negative评价。

    同类词 cheating...out of defraud swindle scam con

  • Failure to detect...may have important implications for security and crime prevention P8

    专家用"failure"和"implications for security and crime prevention"来总结整篇研究的意义，把全文导向一个警示性的结论，是态度的最终落脚点。

    同类词 failure to important implications for raise concerns about pose a threat 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. 开头直接介绍说明对象 P1

    第1段 直接 introduce 了 super realistic masks 这个 object，并说明它的 material 和 purpose。这是典型的 expository opening，不是在 argue 一个 viewpoint，也不是在报道某个 breaking news event with 5W1H elements。

  2. 用研究数据展开说明 P2 P3 P4 P5

    第2段 到 第5段 都在 presenting study results，包括 participants、methodology、error rate、response times 这些 concrete data。这些是 factual exposition，不是 subjective opinions 或 eyewitness accounts of news events。

  3. 举实例说明现实意义 P6 P7

    第6段 和 第7段 给出 criminal cases 和 security implications，这是在 illustrating the practical significance of the phenomenon，而不是 advocating for policy changes 或 reporting on ongoing investigations as breaking news。

  4. 结尾强化说明重要性 P8

    第8段 用 expert quote 来 reinforce the importance and implications，这是 typical expository conclusion，不是 restating an argument 的 concluding paragraph，也不是新闻的 future outlook or ongoing coverage。

  5. 整体呈现知识构建走向 P1 P2 P3 P4 P5 P6 P7 P8

    这篇文章完整地 follow 了说明文的 structural pattern：从 defining masks，到 presenting research，到 showing criminal cases，到 expert commentary。没有 thesis statement 需要 prove，也没有 breaking news 的 immediacy。整个 flow 是在 building understanding，不是 building argument 或 reporting developments。

哪些词暴露了说明文体裁？

  • are made from P1 事物构成与制作方式描述词 are designed to consist of are composed of are constructed from are manufactured by
  • In a study P2 研究引用与数据来源标识词 Research shows According to research Studies indicate Experiments reveal Data suggests
  • error rate P4 量化数据与统计指标词 percentage accuracy data statistics measurements
  • to establish P5 研究目的与方法说明词 to determine to investigate to examine to analyze to measure
  • may have P8 可能性与推论表达词 could have might lead to may result in could cause might affect
  • important implications P8 影响与意义阐述词 significance consequences effects impact influence
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 Hyper-Realistic Masks Can Be More Believable Than Real Human Faces 的常见问题

2024年12月英语四级真题第3套 Part III Section A 文章 Hyper-Realistic Masks Can Be More Believable Than Real Human Faces 的原文出自哪里？
2024年12月英语四级真题第3套 Part III Section A 文章 Hyper-Realistic Masks Can Be More Believable Than Real Human Faces 节选自2019年11月20日发表于SciTechDaily上的一篇标题为 “Hyper-Realistic Masks Can Be More Believable Than Real Human Faces” 的文章。
2024年12月英语四级真题第3套文章 Hyper-Realistic Masks Can Be More Believable Than Real Human Faces 的主旨是什么？
2024年12月英语四级真题第3套 Part III Section A 文章 Hyper-Realistic Masks Can Be More Believable Than Real Human Faces 说明文解释了关于超逼真硅胶面具的研究发现,这些面具能成功欺骗人们辨别真实面孔与人造面孔,错误率达20%,强调了这对安全和犯罪预防的重大影响,因为犯罪分子越来越多地利用这些面具。（英文表述：This expository article explains research findings on super realistic silicone masks that successfully deceive people in identifying real versus artificial faces, with a 20% error rate, highlighting significant implications for security and crime prevention as criminals increasingly exploit these masks.）
Hyper-Realistic Masks Can Be More Believable Than Real Human Faces（2024年12月英语四级真题第3套文章）是什么体裁？难度如何？
体裁为说明文，作者立场是消极批判（Cautionary concern）。CEFR 难度 B2，全文 247 词、8 段；在英语四级全部 511 篇真题文章中，B2 级共 234 篇（占 46%）。
2024年12月英语四级真题第3套文章 Hyper-Realistic Masks Can Be More Believable Than Real Human Faces 的篇章结构是怎样的？
全文 8 段按说明文骨架分为 5 个意群：第1段——引入研究对象；第2段、第3段、第4段——呈现核心实验发现；第5段——补充实验变量分析；第6段、第7段——展示现实应用案例；第8段——权威解读意义。
Hyper-Realistic Masks Can Be More Believable Than Real Human Faces 一文的作者态度是什么？
作者态度是消极批判（Cautionary concern）。判断路径：开篇引入 → 评价副词 → 案例性质 → 权威收尾 → 四步综合定态度；文中的态度信号词包括 Surprisingly（第3段）、likely underestimates（第4段）、sending police investigations down the wrong path（第6段）、cheating business executives out of millions of pounds（第7段）、Failure to detect...may have important implications for security and crime prevention（第8段）。
2024年12月英语四级真题第3套文章 Hyper-Realistic Masks Can Be More Believable Than Real Human Faces 中有哪些值得积累的生词？
按文中出现顺序共 4 个：imitate（模仿、仿制）、extent（程度、范围）、synthetic（合成的、人造的）、offender（违法者、犯罪者），每个词的词义都可以由文中上下文线索推断得出。

本页数据最后更新：