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标题: 29-Q5大家看看 [打印本页]

作者: nicboy 时间: 2008-6-15 16:55
标题: 29-Q5大家看看

Q5:

According to a
survey, 93 percent of teenagers have used a computer to play games, 89 percent
have used a computer to write reports, and 5 percent have not used a computer
for either of these purposes. What
percent of the teenagers in the survey have used a computer both to play games
and to write reports?

A.
82%

B.
87%

C.
89%

D. 92%

E.
95%

Answer:

作者: skidrow 时间: 2008-6-15 18:22
b 93+89+5-X=100

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