人教版（2019）必修3《Unit 4 Space Exploration》2021年同步練習卷（課時作業(yè)十一）

Ⅰ.單句語法填空

• 1．All glass bottles which can't be refilled can be

  （recycle）．
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• 2．Usually，a fresh egg sinks and an old egg

  （float）．
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• 3．We turned the lights off in order not

  （waste） electricity.
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• 4．The trouble is

  we are lacking in enough money to start the project.
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• 5．

  is important to give children room to think for themselves.
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• 6．Zhu Ting，one of the most excellent volleyball players in China，

  （current） plays for Tianjin Bohai Bank.
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• 7．I couldn't figure

  what made the manager so angry at the meeting.
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• 8．Jenny

  （sufficient） made use of the opportunity to learn about Chinese culture when she was in China.
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• 9．Though

  （lack）money，his parents managed to send him to a university．
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Ⅲ.完成句子

• 26．如果我足夠幸運被選為總統(tǒng)，我會盡我最大的努力全心全意為人民服務。
  If I am

  as president，I will try my best to serve people heart and soul.
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Ⅳ.閱讀理解

• 27．Robots are very important to space exploration and are being used in a variety of different ways for several important reasons.
     Robots make great explorers on planets，moons，and other landing areas.Aside from the earth，just about every surface in the solar system is unsafe for humans to explore.The air on most other planets is insufficient for humans to breathe，making it necessary to wear a space suit and oxygen equipment.The temperatures on these surfaces are much too hot or much too cold for any humans to withstand.Robots have much less limitation in these areas and can survive much longer under these conditions.
     Robots are designed for collecting scientific data.Robots are also able to perform many tasks at one time.Important scientific projects from detecting minerals，analyzing ground samples，to finding water are all performed much quicker and accurately by robots.
     The use of robots has made the cost of space exploration much less expensive than it would cost for humans to do the work.In order to successfully send humans into space we would need to build a vehicle that can not only carry humans，but also enough food and water to keep them alive for the duration of the trip.Moreover，robots have no problems working for hours on end.Robots never complain，they don't require food or water，and they never need a bathroom break.
     Over the past 30 years or so there have been many different types of robots used successfully in the exploration of space.Perhaps the most famous and successful robots are Spirit and Opportunity who have both been exploring the surface of Mars.They have both been very successful with experiments on soil and rocks and have even found evidence of water in Mars' history.
  
  （1）Which of the following would be the best title for the passage？

  
  A．The Development of Robots
  B．The Discovery of Space Exploration
  C．No Robots，No Space Exploration
  D．Robots Are Used in Space Exploration
  （2）What benefits can we get with the use of robots according to the fourth paragraph？

  
  A．The use of robots has reduced the cost of space exploration.
  B．The robots are in need of a little break to work continuously for hours.
  C．Robots can perform tasks much slower but accurately.
  D．Robots can be used to transmit scientific data.
  （3）What does the underlined word "withstand" in Paragraph 2 most probably mean？

  
  A．Remain.
  B．Bear.
  C．Defeat.
  D．Develop.
  （4）What is the writer's attitude in this passage？

  
  A．Negative.
  B．Persuasive.
  C．Subjective.
  D．Objective.
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