37. Students can easily fall behind in their studies ____ they don’t manage their spare time carefully.

　 A. though 　　 　　　　　　　 B. if　　　　　　　　　　　 　　　 C. since　 　　　　　　　　　　 D. until

36. He warmly congratulated them on _____ they had achieved in science and technology.

　 A. that　　 　　　　　　　　　　 B. where　　　 　　　　　　　　　　 C. what　 　　　　　　　　　　 D. which

35. _____ of concrete and steel, the Petronas Towers in Kuala Lampu could provide a better chance of surviving than did the World Trade Centre buildings.

A. Building　　　　　 B. Built　　　　　　　 C. To built　　　　　　 D. Having built

34. Would you consider lying to a good friend to avoid ____ your friend’s feelings？If so, what kinds of things would you lie about?

　 A. hurting　　　 　　　　　　　 B. to hurt　　　 　　　　　　　　　　 C. being hurt 　　　 　　　　　　　 D. hurt

33. It is not until recently ______ the scientists have found proof of there being water on Mars.

　 　　 A. when　　　 　　　　　　　　　　 B. that　　 　　　　　　　　　　 C. how　 　　　　　　　　　　 D. what

32. ______ our horizons of thinking, but it also saves us time and energy.

　 　 A. Not only does the Internet expand 　　　 　　　　　　　 B. Not only expands the Internet

C. Not only the Internet expands 　　　 　　　　　　　　　　 D. Not only the Internet does expand

31. An excellent way to help memory is to connect information with pictures, which ______ as a memory-link method.

　 　 A. considers　 　　　　　　　 B. is considering 　　　 C. is considered　　 　　　 D. considered

30. Air bags for cars were invented _____ lives. Without them more people would be injured in car accidents.　

　 A. saving　　 　　　　　　　　　　 B. saved　　 　　　　　　　　　　 C. to save　 　　　　　　　　　　 D. to have saved

29. Last year John earned _______ his brother did, who has a better position in a bigger company.

　 A. twice as many as　　　　　　 　　　　　　　　　　　　　　 B. twice as much as

　 C. twice as more as　　　　　　 　　　　　　　　　　　　　　　　　 D. twice much as

28. With his good sense of direction, he _____ quickly and easily get round in the new city.

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