人教版（2019）必修3《Unit 4 Space Exploration》2021年同步練習(xí)卷（不定式作定語和狀語）

I不定式作定語

• 1．In 1957 the Soviet Union success launched the first satellite

  （orbit）the earth.
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• 2．He is the best student

  （work）as monitor.
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• 3．There still remain a lot of problems for us

  （investigate）.
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• 4．He said he had something important

  （deal）with on Sunday.
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• 5．Some scientists were determined to help humans realize their dream

  （explore） space.
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• 6．If you want to be admitted，you must have the basic ability

  （read）and write in English.
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• 7．I'm going to the supermarket this afternoon．Do you have anything

  （buy）？
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• 8．The tunnels provide a place for the turtles

  （slip）into and protect them.
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II不定式作狀語

• 9．The government encourages farmers to grow corn instead of rice

  （improve）water quality.
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• 10．

  （learn）more about Chinese culture，Jack has decided to take Chinese folk music as an elective course．
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IV完成句子

• 29．During a spacewalk，astronauts have to move slowly

  （來控制他們的身體）.
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V語法填空

• 30．Sending people to other planets or even beyond the solar system is not an easy goal（1）

  （achieve）.One of the problems is that the trip would take a very long time.For example，using current technology，it would take over two years（2）

  （get）to the closest planet，Mars，and back.Although light is the fastest thing known in the universe，it could take more than four years to reach the nearest star system.Will scientists figure out a way（3）

  （store）sufficient food and water for the long journey？Is it possible to travel faster than light？No one knows the answers yet.However，space scientists never give up.They are experimenting with growing crops in space so as（4）

  （help） astronauts get enough food on longer journeys through space.
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