【正文】 standard bulb, only 5% of the electricity is ______ to lightthe rest is wasted away as heat.A. pressed B. conformed C. converted D. confined37. Modern technology has placed ______ every kind of music, from virtually every period in history and every corner of the globe.A. at our request B. at our disposal C. in our presence D. in our sight38. Much has been written on the virtues of natural childbirth, but little research has been done to ___ these virtues.A. confirm B. consult C. confess D. convey39. Plastic bags are useful for holding many kinds of food______their cleaness, toughness and low cost.A. by virtue of B. at sight of C. by means of D. by way of40. I am trying to think of his mind, but my mind goes pletely _____i must be slipping.A. bare B. blank C. hollow D. vacant41. _____ in the regulations that you should not tell other people the password of your account.A. what is required B. what requires C. It is required D. It requires42. It is generally believed that gardening is ______it is a science.A. an art much as B. much an art as C. as an art much as D. as much an art as43. The indoor swimming pool seems to be great more luxurious than ______.A. is necessary B. being necessary C. to be necessary D. it is necessary44. He ______ English for 8 years by the time he graduates from the university next year.A. will learn B. will be learning C. will have learnt D. will have been learnt.45. It was not until the sub prime loan crisis ______ great damage to the American financial system that Americans ______the severity of the situation.A. caused。 had realized 46. The police think you brother John stole the diamond in the museum yesterday evening.Oh? But he stayed with me at home the whole evening。 what D. That。 so you have59. It is universally known that microscopes make small things appear larger than _____.A. really are B. are really C. are they really D. they really are60. Tom, _______, but your TV is going too loud. Oh, I’m sorry. I will turn it down right now.A. I’d like to talk with you B. I’m really tired of thisC. I hate to say this D. I need your help2011年21. It’s still in the morning. There isn’t in the office.A. anyone B. everyone C. nobody D. any people22. is not known that they discussed in the meeting.A. That B. He C. This D. It23. The best news broke her and she has been gloomy ever since.A. feelings B. emotions C. mind D. heart24. He is much of a gentleman to fight.A. so B. as C. very D. too25. Not until this term to realize how important this subject is to his future career as a diplomat.A. he began B. did he begin C. he has begun D. that he has begun26. who would like to go on the trip should put their names on the list.A. Those B. These C. Somebody D. The ones27. A bottle weights less after air is taken out, proves that air has weight.A. we B. it C. which D. what28. How long ?A. you suppose did it last B. do you suppose it lastC. did you suppose it last D. you suppose it last29. Smith had some trouble _______ the man’s accent.A. to understand B. understanding C. for understanding D. with understanding30. The next few days could be for the peace negotiation.A. maximum B. practical C. critical D. urgent31. He quite a lot when he was young.A. used to travel B. used to traveling C. was used to travel D. would use to travel32. You me you