28. - Have you thought of a theme for your poster yet?

　 - No, I ______ a lot about it, but I haven’t decided.

　 A. will think 　　　 B. have been thinking 　　　 C. had thought D. was thinking

27. ______ left before the deadline, it doesn’t seem likely that John will finish the job.

　 A. Though such a short time　 　　　　　　　　 B. Because such a short time

　 C. With such a short time 　　　　　　　 D. As such a short time

26. Medical ______ shows that men are more likely to have heart attacks than women.

　 A. expectation 　　　　　 B. evidence 　　　　 C. experience 　　　　　 D. exchange

25. Several years had passed ______ I finally realized the true value of friendship.

　 A. when 　　　　　　 B. that 　　　　　　 C. after 　　　　　　　 D. before

24. It’s a mistake to think of Chongqing only ______ its tourist attractions.

　 A. in addition to 　　　 B. by way of 　　　 C. in terms of 　　　　 D. by means of

23. All passengers ______, please fasten your seat belts and remain seated ______ the plane is landing.

　 A. on board; before 　　 B. abroad; since 　 C. on the board; after D. aboard; when

22. Unfortunately, it was in Yushu County, ______ a 7.1-magnitude earthquake happened on April 14, 2010, ______ a large number of students were buried inside damaged schools.

　 A. which; when 　　　 B. that; that 　　　 C. where; that 　　 D. where; which

第一节 单项选择(共15小题；每题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. ______ World Exposition in 2010 is the first registered World Exposition in ______ developing country.

　 A. /; a　 　　　　　　　　 B. The; a 　　　 C. The; / 　　　　　 D. /; the