28. Can you imagine that rats eat 40 to 50 times _______.

　 A. by weight　　 B. their weight　　 C. in weight　　 D. of their weight

27. How long do you think _______ the computer company turns out a new product?

A. it will be that 　　　 B. will it be until　 　　 C. will it be since　　　 　 D. it will be before

26. ----Hello. May I speak to Bill, please?　

---- ________.　　　　 　 　A. Bill speaking　　　　　B. I’m Bill　 　C. You are speaking to Bill　　　　　　D. I’m speaking

25. ---- Good morning. How much should I pay for these books ________ to Alabama?

　 ---- Hm, about ten dollars.

　 A. to be sent　　　 　　B. being sent 　 　　　 　　C. sent　　 D. having been sent

24. ---- You won't go to Kathy's wedding party, will you?

　 ---- Yes, ________ invited.

　 A. though　　　　　　 　B. if　　　　　　　　 C. unless　　　　　 D. as

23. ----Mike, the telephone is ringing.

　 ---- I 　_ _　　 　answer it.

A. will　　 　　　　　　 　　　 B am going to　　 　　 　　　 C. am to　　　 　 　D. am about to

22. Lawrence Craven, a doctor from the USA, is the author of several published reports, one of _______ introduced the idea in 1953 _______ aspirin could reduce the risk of heart attacks.

A. them; when　 　　 　　　 B. which; that　　　 C. what; that　　　 D. which; when

第一节：单项填空(共15小题，每小题1分，满分15分)

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项, 并在答题卡上将该项涂黑。

21. ---- Really? Who will give _________ lecture?

　 　---- Mr. Wang, ________ professor from Nanjing University.

A. the; 不填　　 　　　　　 B. a; the　　　　　 　 C. the; a　　　　　 D. a; a