15. M: How well are you prepared for the presentation?Your turn comes next Wednesday.

W: I spent a whole week searching on the net, but came up with nothing valuable.

Q: What did the woman say about her presentation?

解析：D。男士询问女士准备的怎样，女士说“没想到什么有价值的东西”。可以知道她还没有准备好。答案为D。but后的内容是听音重点。

16. W: How do you like the car I just bought?

M: Well, it seems to run well. But I think it needs a new paint job.

Q: What does the man think about the car?
 

解析：C。根据男士的回答“它似乎跑得不错。但是我认为它需要刷层新漆”，C是男士所说内容的同义表达，故正确。