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单项选择题

Many parents feel they need to keep a closer eye to their children because of concerns about crime and school violence.　　A B C D
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单项选择题Which of the following statements does ,the author tend to agree with

A． The use of drags for non-medicinal purposes is, an acceptable part of a person’s lifestyle.
B．The spreading ofpop music may cause drag abuse to go beyond country boundaries.
C．No efforts have been made to prevent the spreading of drag abuse.
D．Governments have no ability to act against the pro-drag messages of the youth culture.

单项选择题The word “plunged” in the firs paragraphmeans

A．decreased
B．Climbed
C．increased
D．dropped into water