What do you know about acid rain from the reportA．

单项选择题

Questions 5 to 8 are based on the following passage.

What do you know about acid rain from the report

A．It" s a kind of atmosphere.
B．It" s a kind of air pollution.
C．It" s a kind of moisture.
D．It" s a kind of noise pollution.

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问答题 Wang Peng" s friend—Jack has moved into his new house. So please write a congratulation letter to Jack on behalf of him. You should write about 100 words.

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