单项选择题

Passage Three

A. To find out exactly what happens.
B. To save fuel to fly longer.
C. To find out where the big stone is.
D. To fly even more slowly.
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单项选择题
A. It will help detect all kinds of liars.B. It will most likely prove ineffective.C. It can help solve complex problems.D. It is a new weapon against terrorists.

A. It will help detect all kinds of liars.
B. It will most likely prove ineffective.
C. It can help solve complex problems.
D. It is a new weapon against terrorists.
单项选择题
A. There are too many complaints from net users.B. Hackers’ attack of MySpace cannot be forbidden.C. Parents cannot help checking children’s information.D. It is easy for trouble-makers to do harm to children.
A. There are too many complaints from net users.
B. Hackers’ attack of MySpace cannot be forbidden.
C. Parents cannot help checking children’s information.
D. It is easy for trouble-makers to do harm to children.
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