【正文】
2011年21. By the middle of the 21st century, the vast majority of the world39。s people ____in cities ratherthan in rural areas. A. are living B. will be living C. have lived D. will have lived22. All flights ____because of thesnowstorm, many passengers could do nothing but stay at theairport. A. had been cancelledB. were cancelled C. having been cancelled D. have been cancelled23. The problem is believed ____at the meeting two days ago. A. to have discussed B. to have been discussed C. being discussed D. having been discussed24. It was so hot that they ____the electric fan ____all through the night. A. had。 running B. had。 run C. had。 ranD. had。 to run25. Some of the mittee members suggested ____ a party for the visitor, but the Chairmandidn39。t approve. A. to arrange B. arrange C. arrangingD. to be arranging26. Do you regret paying five hundred dollars just for the oil painting? No. I would gladly have paid ____for it. A. twice as much B. twice so much C. as much twice D. so much twice27. ____me most was that the young man who had lost both arms in an accident could play the piano beautifully with his feet. A. That amazed B. It amazed C. Which amazed D. What amazed28. The team leader promised to attend the meeting ____he arrived at the office. A. for the time being B. the moment C. as much as D. the day29. Bob ____hard, otherwise he ____this exam. A. must have worked.... would fail B. mustn39。t have worked... wouldn39。t fail C. can39。t work …wouldn39。t have failed D. can39。t have worked...wouldn39。t have failed30. Scarcely ____asleep when a knock at the door awakened her. A. had she fallen B. she had fallen C. did she fall D. she fell31. ____man realized that the brain controlled our thinking. A. It was not until the 18th century that B. It was the 18th century since C. Not until the 18th century did D. It was until the 18th century which32. The president of the college, together with the deans, ____planning a conference for setting aseries of regulations. 160