单项选择题

Dream occurs during the period of ______.

A．active steep
B．passive sleep
C．deep sleep
D．oversleeping
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单项选择题
Mr. Annan noted many successes of the United Nations, except ______.
A．keeping the peace
B．helping in the fight against cancer and AIDS
C．helping with elections in many countries
D．bringing relief to victims of disasters
单项选择题
What’s the main idea of the article
A．Policemen also do some illegal things.
B．There are more and more police scandals these days.
C．Police scandal puts convictions in doubt.
D．Only 1 cop has admitted guilt, so it is unreasonable to question the criminal convictions.
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