Choose the correct letter A, B, C or D. Write your answers in boxes 6-9 on your answer sheet. How does the lie-detector work?

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问题 Choose the correct letter A, B, C or D.
Write your answers in boxes 6-9 on your answer sheet.
How does the lie-detector work?

选项 A、It detects whether one’s emotional state is stable.
B、It detects one’s brain activity level.
C、It detects body behavior during one’s verbal response.
D、It analyzes one’s verbal response word by word.

答案C

解析 利用细节词“lie-detector”定位于15页第二段前半部分。选项A的“one’s emotional state is stable”原文没有提及,所以排除。选项B的“brain activity”原文也没有提及,所以排除。同时原文明显提到并分析的是“physical cues of emotions”而不是“verbal response”,所以排除D。原文“physical cues”和“respiration,heartrate and skin conductivity”等都对应选项C的“body behavior during one’s verbalresponse”,所以答案为C。
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