1. Rainforests ___ and burned at such a speed that they will disappear from the earth in the near future. (NMET 2002春上海) A. cut B. are cut C. are being cut D. had been cut
精典题例(1)
1. Rainforests ___ and burned at such a speed that they will disappear from the earth in the near future. (NMET 2002春上海)
A. cut B. are cut C. are being cut D. had been cut
【解析】选C 本题是在语境中考查现在进行时的被动语态。本句意为“雨林以这样的速度被砍伐和焚烧，会导致它在不久的将来从地球上消失。”体会语境和句意便知此处选择C项，表示现阶段在进行的动作。
2. Twenty-three hours has passed after the explosion in the mine, but rescue efforts to recover the missing ____ carried out.
A. are still being B. have already been
C. are always D. will soon be
【解析】选A本句意为“矿井已过23小时了，但对失踪人员的搜索还在进行中。”
3. -- When are you leaving? -- My plane ____ at 10:45.
A. takes off B. took off
C. is about to take off D. will take off
【解析】选A飞机是按时刻表运行的。
4. -- Excuse me, what time is it now?
-- Sorry, my watch ____. It ____ at the shop.
A. isn't working; is being repaired
B. doesn't work; is being repaired
C. isn't working; is repaired
D. doesn't work; is repaired
【解析】选B doesn't work说明“手表不工作”的状态，而不只是现在才坏了。后句意为“手表正在商店里修理”，故应用is being repaired。
