单选题
【正确答案】 B
【答案解析】[听力原文]
We should keep silence in the library.

[精解] 本题的关键词是keep silence。
【正确答案】 A
【答案解析】[听力原文]
Could you please tell me how to get to the police station?

[精解] 本题的关键词是police station。
【正确答案】 C
【答案解析】[听力原文]
I think it is going to rain.

[精解] 本题的关键词是going to rain。
【正确答案】 A
【答案解析】[听力原文]
I bought you a book yesterday.

[精解] 本题的关键词是a book。
【正确答案】 C
【答案解析】[听力原文]
It is a quarter to three now, so we still have some time.

[精解] 本题的关键词是a quarter to three。