高一英语必修一3、4单元短语总结之经典例题

　　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。