27. It is from May 1 to October 31, 2010__________the World Expo 2010 Shanghai will be held, ________is a great event for the Chinese people．

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

26. Don’t let your head out of a moving vehicle, which_____ lead to a terrible disaster.

　 A. can　　　　 　　　B. should　　　　　　 C. must　　　　　　　 D. will

25. -What do you mean? Active?

　 -Well, I don’t expect you to run every day. Rather, I ask you_____ to sit too long_____ to spend two hours a day walking or biking along the seaside.

　 A. not only…but also　 B. either…or　　　　 C. neither…nor　　　 D. not…but

24. According to the traffic rules______ from the state traffic management, all drunken drivers shall be punished if they drive.

　 A. claiming　　　　　 B. claimed　　　　　 C. to claim　　　　　 D. to be claimed

23. Gov. David Paterson______ to account for his actions. If he can show that he did no wrong, he must do so. If not, he should resign.

　 A. has failed　　　　　 B. had failed　　　　 C. is failing　　　　 D. failed

22. The data from the satellite was enough for the computer model to_____ that the tsunami was smaller and less destructive.

　 A. check out　　　　　 B. turn out　　　　　 C. make out　　　　 D. figure out

第一节 单项填空(共15小题；每小题l分，满分l5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. By awarding the prize to Mr. Obama, ________ Nobel Committee also surely hoped to influence ________debate about U.S policy in Afghanistan.

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