【正确答案】 B

【答案解析】[听力原文]
   M: Are there many floors we have to walk up, or is there an elevator we can take?
   W: A. We need to walk up to the street to take the subway.
   W: B. It's an old building, so we'll have to walk up at least four.
   W: C. We can either take a taxi or, if you prefer, keep walking.
选项A错误，walk up意思是“走上”，他们要上楼，不需要走上街去。选项B正确，由于该建筑年代较久，他们只能爬四层楼。选项C错误，问句中的take指的是“乘(电梯)”，与出租车无关。

【正确答案】 A

【答案解析】[听力原文]
   W: Do you have any idea how long you will need the binding machine for?
   M: A. I've just got to prepare a few manuals, so only about an hour.
   M: B. It has been a very long time since we needed something like that.
   M: C. It's about one meter in length and three meters wide.
选项A正确，男士只需要用订书机一个小时。选项B错误，回答中出现的是过去而不是将来的时间。选项C误解how long的意思，此处在询问时长，而不是物体的实际长度。

【正确答案】 C

【答案解析】[听力原文]
   W: I couldn't help hut notice that they've changed the business directory signs in the lobby again.
   M: A. I've been saying all along that it's certainly a sign of things to come.
   M: B. Yes, I've decided to change the direction of my business as well.
   M: C. I was wondering when someone else besides me would notice that.
选项A误解sign的意思，问句中的意思是“指示牌”，回答当成“迹象”。选项B错误，只是“更换指示牌”而不是“改变业务方向”。选项C正确，确认指示牌被换了。

【正确答案】 B

【答案解析】[听力原文]
   M: Have we got the award certificates, the coffee and doughnuts ready for the gathering today?
   W: A. Because I am already certified, I don't need to go, do I?
   W: B. Everything is ready and waiting in the executive conference room on the first floor.
   W: C. We need to encourage the employees to donate to their favorite charities.
选项A混淆了certify(动词，证明)和certificate(名词，证书)。选项B正确，事情都已安排妥当。选项C混淆了donate(捐献)和doughnut(多福饼)。

【正确答案】 C

【答案解析】[听力原文]
   W: Can I give you a hand with the food and drink preparation for tonight's cocktail reception?
   M: A. We've already bought all the food we need.
   M: B. No thanks, I'm a vegetarian.
   M: C. No, I can manage on my own, thanks.
选项A错误，回答似乎是在拒绝他人提供更多食物。选项B错误，回答把提问者当成提供食品的人。选项C正确，男士婉拒女士帮忙准备餐食的请求。