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Scientists and experts have proved that the pattern of a human being’s finger skin ______. Finger-prints have often been used a
Scientists and experts have proved that the pattern of a human being’s finger skin ______. Finger-prints have often been used a
admin
2008-12-15
54
问题
Scientists and experts have proved that the pattern of a human being’s finger skin ______.
Finger-prints have often been used as a method of solving criminal case because it ______.
选项
A、is complicated but reliable
B、is simple and not expensive
C、is expensive but easy to do
D、can bring a lot of money
答案
B
解析
根据第三段第四句“Because of the simplicity and economy of this system”,可知答案为[B]。
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本试题收录于:
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公共英语二级笔试
公共英语(PETS)
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