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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.
admin
2008-08-04
27
问题
Although "lie detectors" are widely used by governments, police departments and businesses, the results are not always accurate. Lie detectors are commonly【C1】______as emotion detectors, for their aim is to【C2】______bodily changes that contradict what a【C3】______says. The lie detector records changes【C4】______heart rate, breathing, blood pressure, and the electrical【C5】______of the skin. In the first part of the【C6】______, you are electronically connected to the machine and【C7】______a few neutral question("What is your name?" etc). Your physical reactions serve【C8】______the standard for evaluating what comes【C9】______Then you are presented with a few【C10】______questions among the neutral ones("When did you rob the bank?"). The idea is that if you are【C11】______, your body will reveal the truth, even if you try to【C12】______it. Your heart rate and breathing will change【C13】______as you respond to the questions.
That is the theory, but psychologists have found that lie detectors are simply not
【C14】______.Since most physical changes are the same across【C15】______emotions, lie detectors can- not tell【C16】______you are feeling angry, nervous or excited.【C17】______people may be tense and nervous【C18】______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【C19】______,the machine will record a“ lie”.
On the other hand, some practiced liars can lie【C20】______hesitation, so the reverse mistake is also common.
【C3】
选项
A、policeman
B、suspect
C、person
D、criminal
答案
B
解析
由上文中测谎仪的目的可知,测谎仪是测量嫌疑对象是否在说谎的工具。由上文可知测谎仪被政府、警察局和商业部门广泛使用,他们都是使用者,而不是被使用对象,所以答案不能选policeman;person“人”,其范围过于宽泛;criminal(罪犯)与suspect(嫌疑犯)相比,测谎仪更重要的是测量嫌疑犯是否说慌,警方展开调查。因此此处最佳的选项是B。
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公共英语三级笔试题库公共英语(PETS)分类
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公共英语三级笔试
公共英语(PETS)
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