【单选题】
According to the passage, we know that Britain______________. ___
A. will adopt lie detectors widely
B. will adopt lie detectors on a smaller scale
C. adopt lie detectors
D. has not decided whether to adopt lie detectors or not
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答案
D
解析
暂无解析
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【单选题】
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What troubles lie detector researchers most is that _______________. ___
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【单选题】
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Which of the following is NOT an advantage of distance learning? _________ ___
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【单选题】
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【单选题】
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