听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。

单选题 How much does the gas cost?
【正确答案】 A
【答案解析】[听力原文] M: Fill it up with gas, please. W: OK. M: How much it is? W: Ten dollars.
单选题 What number does the woman want?
【正确答案】 C
【答案解析】[听力原文] M: Is that 62225666 ? I'm trying to reach the guest house. W: I'm sorry. This is a private resident.
单选题 Where are they going?
【正确答案】 C
【答案解析】[听力原文] W: We are going to listen to a lecture on environmental protection. M: Really? That's wonderful. Can I go with you?
单选题 What is the woman doing?
【正确答案】 B
【答案解析】[听力原文] W: Hello. I have made a reservation and now I'm checking in. M: Yes, madam. Could you please tell me your name and room number?
单选题 What do you get from the man's answer?[A] He used to make calls to his parents twice a month.[B] He now calls his parents once a week because he has little spare time.[C] He never enjoys calling his parents.
【正确答案】 B
【答案解析】[听力原文] W: How often do you call your parents? M: I used to phone them twice a week. But now I call them once a week since I'm too busy.