高一英语：知识点总结Unit3-4(24)
☆精典题例☆
1. Rainforests ___ and burned at such a speed that they will disappear from the earth in the near future.
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“矿井爆炸已过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。
5. John, who is considered ____ a warm-hearted man, is considering ____ his neighbor out of trouble.
A. to be; to help B. to be; helping
C. being; to help D. being; helping
【解析】选B be considered to be “被认为是……”;consider doing “考虑做某事”。
6. He made a mistake, but then he corrected the situation ____ it got worse.
A. until B. when C. before D. as
【解析】选C意思是“在事情还未变得更糟之前及
时纠正错误”。
7. -- There is something wrong with my bike.
-- It doesn't matter. I ____ lend you mine.
A. am to B. am going to C. was going to D. will
【解析】选D be to表示按计划安排将来的动作，be going to 表示最近打算做某事，will 在此是情态动词，表示“意志;意愿”。如：I will tell you all about it.
8. Children at the beginning of this century ____ a lot and ____ themselves greatly even without television.
A. used to read; enjoying B. used to read; enjoyed
C. were used to reading; enjoy
D. were used to read; enjoying
【解析】选B 前后时态要保持一致。
(责任编辑：康彦林)
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