题目列表(包括答案和解析)

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4. Not only is food production important but also taking

   care of the environment.

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3. To make as much use of the land as possible, two or

  more crops are planted each year where possible.

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2. It is on this arable land that the farmers produce food

  for the whole population of China.

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1. What do you think causes these changes?

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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。

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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.

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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”。

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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”。

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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。

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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。

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