In practice, which of the following is the most important feature that makes an object an
A. It has to be 100 years old.
B. It has to be at least 20 years old.
C. It has to be beautiful and decorative.
D. It has to have aesthetic or historic value.
查看答案
The reasons that computer crimes are increasing are all mentioned in the passage EXCEPT ______.
A. more people are using computers
B. more computers are tied together
C. people's moralities are decreasing
D. it is easy for microcomputers to get access to huge data bases
A．breadB．dreamC．leadD．team
A. bread
B. dream
C. lead
D. team
A．popularityB．populationC．publicityD．publication
A. popularity
B. population
C. publicity
D. publication
Which of the following is NOT the target of computer crime？
A. Family computers.
B. Computers without networks.
Computer infrastructures.
D. Computers with large networks in companies.
微信支付 
支付宝支付