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Scientists and experts have proved that the pattern of a human being’s finger sk
Scientists and experts have proved that the pattern of a human being’s finger sk
游客
2024-07-21
45
管理
问题
Scientists and experts have proved that the pattern of a human being’s finger skin______. [br] 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
细节理解题。从第三段第四句Because of the simplicity and economy of this system可知“指纹鉴别的方法简单而且经济”。
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