19. What is the man surprised to learn?

　　【解析】選[C]。男士來借閱論文，被告知論文都被借走(been checked out)了，不由得說，You are joking, all of them?其中，You are joking表示不相信、驚訝之情(surprised)。同義的表達(dá)有Are you kidding?

　　20. What does the woman say about Professor Grand?

　　【解析】選[D]。根據(jù)選項(xiàng)無法判斷問題是什么的時(shí)候，更需要我們注意聽問題。 題目問Professor Grand的情況，圖書管理員說她已經(jīng)兩次請Professor Grand拿來多份論文，但總是很快就被借走了。其他選項(xiàng)在對話中都找不到依據(jù)。

　　21. What does the woman suggest that the man do?

　　【解析】選[A]。對話的最后部分女士建議男士明天一早就過來(come in first thing tomorrow morning)，并告訴他開館時(shí)間為8點(diǎn)。

　　Conversation Two

　　M: Come on, Julie, how are we going to convince everybody that I'm the best candidate?

　　W: It won't be easy!

　　M: Thanks a lot!

　　W: Oh, just kidding. Actually, I think once we show everyone how well you did asjunior class treasurer, you are sure to be elected president.

　　M: Well..., what's your strategy?

　　W: One thing I was thinking of is to hang campaign posters in all the hallways.

　　M: But everyone puts up posters. We need to do something different.

　　W: Let me finish. The campus radio station is willing to let you have five minutestomorrow morning at seven to outline your plans for the year. Lots of students will hear you then.

　　M: Great idea!

　　W: I've also arranged for you to give a speech during dinner time tomorrow. Over a hundred students will be there. And you can answer questions after you finish speaking.

　　M: That means I'd better come up with a speech pretty quickly. How about if I write it tonight and show it to you after chemistry class tomorrow?

　　W: Fine. I'll see you after class.

　　M: You are really good at this. I'll be glad you agreed to help me out.

　　Questions 22 to 25 are based on the conversation you have just heard.

　　22. What election are the speakers discussing?

　　【解析】選[D]。聽對話，注意對話開頭部分，捕捉與elected相關(guān)的信息，根據(jù)the best candidate，sure to be elected president可以判斷他們談?wù)摰氖菍W(xué)生會(huì)主席的選舉。

　　23. What do we learn from the conversation?

　　【解析】選[D]。對話首句男士問how are we going to...;女士策略：One thing I was thinking of..., I've also arranged for you...。根據(jù)細(xì)節(jié)進(jìn)行推理可知，女士是在幫助男士策劃競選活動(dòng)。

　　24. What will the man do tonight?

　　【解析】選[B]。聽音時(shí)捕捉與選舉有關(guān)的動(dòng)作行為：come up with a speech以及write it tonight。問題問男士今天晚上將要做什么，[B]為細(xì)節(jié)再現(xiàn)。

　　25. What will the speakers do after chemistry class?

　　【解析】選[B]。聽對話，捕捉與選項(xiàng)有關(guān)的表動(dòng)作的詞句，come up with a speech，and show it to you after chemistry class。問題問談話者化學(xué)課后做什么。根據(jù)細(xì)節(jié)進(jìn)行推理，應(yīng)該是Review the man's talk。