11. I felt somewhat disappointed and was about to leave, ______ something occurred which attracted my attention.
　　A. unless B. until C. when D. while
　　12. ______ might be expected, the response to the question was very mixed.
　　A. As B. That C. It D. What
　　13. By success I don’t mean ______ usually thought of when that word is used.
　　A. what is B. that we C. as you D. all is
　　14. You see the lightning ______ it happens but you hear the thunder later.
　　A. the instant B. for an instant C. on the instant D. in an instant
　　15. I had just started back for the house to change my clothes ______ I heard voices.
　　A. as B. when C. after D. while
　　16. When I try to understand ______ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.
　　A. why it does B. what it does C. what it is D. why it is
　　17. We need a chairman _____.
　　A. for whom everyone has confidence B. in whom everyone has confidence
　　C. who everyone has confidence of D. whom everyone has confidence on
　　18. Excuse me. If your call’s not too urgent, do you mind _____ mine first?
　　A.I make B. if I make C. me to make D. that I make
　　19. I’ve never been to Beijing, but it’s the place ______.
　　A. where I’d like to visit  B. in which I’d like to visit
　　C. I most want to visit  D. that I want to visit it most
　　20. A good many proposals were raised by the delegates,  _____ was to be expected.
　　A. that   B.what  C. so D. as
　　21.   _____ I admire David as a poet, I do not like him as a man.
　　A. Much as    B. Only if   C. If only   D. As much
　　22. Many patients insist on having watches with them in hospital, _____ they have no schedules to keep.
　　A. even though   B. for  C. as if   D. since
　　23 Many people believe we are heading for environmental disaster ______ we radically change way we  live .
　　A. but B. although C. unless D. lest

　　特殊结构部分 ( 比较＋强调＋倒装 )
　　1. The boy spent as much time watching TV as he ______ studying.
　　A. does   B. had            C. was      D. did
　　2. In fact, Peter would rather have left for San Francisco than _____ in New York.
　　A. to stay      B. stayed
　　C. staying      D. having stayed
　　3. The ability to store knowledge makes computers different from every other machine ______ invented.
　　A. ever B. thus C. yet D. as
　　4. Young adults ______ older people are more likely to prefer pop songs.
　　A. other than B. more than C. less than D. rather than
　　5. The little man was ______ one meter fifty high.
　　A. almost more than  B. hardly more than
　　C. nearly more than  D. as much as
　　6. If tap water were as dangerous as some people think, ______ would be getting sick.
　　A. a lot of more us  B. more a lot of us
　　C. a lot of us more  D. a lot more of us
　　7. Americans eat ____ as they actually need every day.
　　A. twice as much protein B. twice protein as much twice
　　C. twice protein as much D. protein as twice much
　　8. There are few electronic applications _____ to raise fears regarding future employment opportunities than robots.
　　A. likely B. more likely C. most likely D. much likely
　　9. This crop does not do well in soils ______ the one for which it has been specially developed.
　　A. outside B. other than C. beyond D. rather than
　　10. The trumpet player was certainly loud. But I wasn’t bothered by his loudness ______ by his lack of talent.
　　A. than B. more than C. as D. so much as