人教版（2019）必修3《Unit 4 Space Exploration Section Ⅰ》2021年同步練習卷（2）

一、單句語法填空

• 1．The

  （select） procedure for astronauts is very strict.
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• 2．The boy looked at the toys

  （curious） in the store.
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• 3．She's a woman of unusual

  （intelligent）.
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二、完成句子

• 9．不僅他英語講得流利，就連他父母也講得非常好。
  Not only

  English fluently，but also his parents speak it very well.
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三、語篇填空

• 10．Located in a natural depression in Guizhou，China's Five-hundred-meter Aperture Spherical Radio Telescope，（1）

  （know） as FAST，has identified six pulsars（脈沖星） after one year of trial operation.It is the first time Chinese scientists have discovered pulsars using a radio telescope independently developed by Chinese scientists，thus（2）

  （open） a "new era of Chinese original space discovery."
     It is truly encouraging for China to have achieved such results in just one year.Since the first pulsar （3）

  （discover），over 2，700 pulsars have been identified.But almost all of them are（4）

  the scope of the Milky Way.Being the world's largest radio telescope，F(xiàn)AST is expected to capture pulsars outside the galaxy.Apart from the massive size，it also has unmatched accuracy and sensitivity，allowing scientists （5）

  （find） previously hidden stars.Moreover，F(xiàn)AST is capable of surveying the night sky for multiple （6）

  （science） data at once，（7）

  enables astronomers to jump-start many science goals.Its innovative engineering concept and design pave （8）

  new road to realise a huge single dish in the most effective way.
     China's FAST science impact on astronomy will be extraordinary，and has the potential to revolutionise other （9）

  （area） of the natural sciences.It （10）

  （remain） the global leader for the next 10 to 20 years.
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