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  3. Although "lie detectors" are widely used by governments, police departments and businesses, the results are not always accurate.

Although "lie detectors" are widely used by governments, police departments and businesses, the results are not always accurate.

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问题 Although "lie detectors" are widely used by governments, police departments and businesses, the results are not always accurate. Lie detectors are commonly known as emotion detectors, for their aim is to【S1】______bodily changes that contradict what a【S2】______says. The lie detector records changes in heart rate, breathing, blood pressure, and the electrical【S3】______of the skin. In the first part of the test, you are electronically connected to the machine and【S4】______a few neutral questions("What is your name? etc . Your physical reactions serve as the standard for evaluating what comes after. Then you are presented with a few【S5】______questions among the neutral ones("When did you rob the bank?" . The idea is that if you are【S6】______, your body will reveal the truth, even if you try to【S7】______it. Your heart rate and breathing will change【S8】______as you respond to the questions.
    That is the theory, but psychologists have found that lie detectors are simply not【S9】______. Since most physical changes are the same across some emotions, lie detectors cannot tell whether you are feeling angry, nervous or excited.【S10】______people may be tense and nervous about the whole procedure. They may react physiologically to a certain word("bank" not because they robbed it, but because they recently used a bad check. In either ease, the machine will record a "lie".

A display           B measure              C abruptly            D raised
E suspect           F critical             G flow                H guilty
I asked             J reliable             K mislead             L innocent   
M deny              N criminal             O naturally
【S1】
选项
答案B
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大学英语四级

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