問題詳情
【題組】42. Which of the following is the principle of a polygraph, a lie detector?
(A) Stress can be analyzed and recorded.
(B) Blood pressure is of importance.
(C) Perspiration can be easily questioned.
(D) The examiners are professional.
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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