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ur health, so you should only have it________. A. harmful; all the time B. harm; all the time C. harm; once in a while D. harmful; once in a while 8. — How many times______you ever______to Beijing? — Twice. A. do; go B. did; go C. have; been D. will; go C B C 9. Since the Spring Festival, I39。一 、 單項(xiàng)選擇 。 (10 = 15分 ) 1. The couple ________ a traffic accident and were badly ________ yesterday. A. had; hurt B. had; hurted C. had; hurting D. happened; aching 2 . What do you think has happened________him? A. to B. with C. by D. at A A 3. He________over when he________down the steps. A. fell; was running B. was falling; was running C. was falling; ran D. fell; run 4. The twins may be watching TV at home 39。ve ________ a lot of I need to do more exercise every day. A. put off B. put on C. put away D. put out 10. The job________that everyone should work at least ten hours a day. A. requires B. wants C. needs D. wishes A B 二 、 完形填空 。t think about argue a food crisis(危機(jī) ) is crisis is going to make us__12__the way we think about food. Food is in great need__13__a growing of world 1960, the population was three doubled to six billion by 2050, this pla will need to__14__at least nine billion a result, the food prices get higher and higher. So, what can a__15__, crowded world do? One suggestion is to uses more natural resources(資源 ) than grains(谷物 ). It requires more__17__ to produce one pound of meat t