单项选择题

Passage Two
Questions 30 to 32 are based on the passage you have just heard.

A．To explain why people keep talking.
B．To persuade people to stop making noises.
C．To encourage people to join in conversations.
D．To discuss why people like talking about weather.
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单项选择题
A．When the ecological balance of the river is lost.B．When people consume more fish than they used to.C．When large numbers of algae, fish and birds are killed.D．When the production of marine petroleum is increased.
A．When the ecological balance of the river is lost.
B．When people consume more fish than they used to.
C．When large numbers of algae, fish and birds are killed.
D．When the production of marine petroleum is increased.
单项选择题
A．The person who is addicted to the Internet.B．The person who reads every label of the goods.C．The person who wants to buy fruit.D．The person who is not picky.
A．The person who is addicted to the Internet.
B．The person who reads every label of the goods.
C．The person who wants to buy fruit.
D．The person who is not picky.
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