单项选择题


Questions 1 to 5 are based on a conversation. At the end of the conversation you will be given 10 seconds to answer each of the following five questions. Now listen to the conversation.
Why do we need active sleep

A．To prepare for passive sleep.
B．To rest our body.
C．To stay healthy.
D．To help us rest our minds.
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单项选择题
In Bangladesh, officials say the Ganges River may flood
A．eastern part of the country.
B．western part of the country.
C．central part of the country.
D．several part of the country.
单项选择题
It can be inferred from the first paragraph that
A．some corporations are doomed to go bankrupt.
B．executives have been trying to acquire knowledge.
C．there are still some political disputes in the world.
D．the economy is undergoing a revival.
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