单项选择题

Scientists and experts have proved that the pattern of a human being's finger skin ______.

A．is similar to his mother's
B．is valuable to himself only
C．is like that of others with the same type of blood
D．is different from that of all others

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热门试题

单项选择题

Some criminals remove their own finger-prints by ______.

A．using printer's ink
B．injuring the inner skin
C．damaging the outer skin
D．damaging the colour

单项选择题

It is ______ for a criminal to deny his crime when finger-prints are used to identify him.

A．worth trying
B．successful
C．useful
D．useless