单项选择题


A．attribute
B．contribute
C．devote
D．attract
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单项选择题
A．existB．isolateC．holdD．distinguish
A．exist
B．isolate
C．hold
D．distinguish
单项选择题
Which of the following is mentioned in the passage
A．A strict law against computer crimes must be enforced.
B．Companies need to impose restriction on confidential information.
C．Companies will guard against computer crimes to protect their reputation.
D．Companies usually hesitate to uncover computer crimes.
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