人教版（2019）必修3《Unit 4 Space Exploration》2021年同步練習(xí)卷（單元復(fù)習(xí)訓(xùn)練）

Ⅰ.單句填空

• 1．Most countries have agreed to this

  （globe） ban on nuclear testing.
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• 2．They had an

  （argue） with the waiter about the bill yesterday in that restaurant.
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• 3．The recent matters have got him

  （mental） disturbed.
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• 4．We Chinese should carry

  our fine culture and excellent traditions.
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Ⅱ.閱讀理解

• 11．Astronauts travelling in space meet forms of radiation that are uncommon on Earth.Some of this radiation has been shown to be harmful to human health.It is linked to cancers and heart problems.Yet a new American study suggests the radiation does not shorten astronauts' lives.
     Researchers studied nearly 60 years of health records and other data about male astronauts from the United States.They then compared this data with information about a group of men who are in good health，richer than most Americans and receive good health care-professional athletes.The study found that neither group has higher rates of dying at a young age.In fact，both groups generally live longer than other Americans.
     Astronauts are usually well educated，earn more money and are in better physical condition than the average American.Some earlier research has linked being an astronaut to a lower risk of early death，the researchers noted.The findings were reported in the publication Occupational & Environmental Medicine.
     Much of the existing research on mortality rates in astronauts has not yet explored the mental and physical demands of this job.There also has not been a lot of research on whether astronauts show what is known as the "healthy worker effect".This effect leads people with employment of any kind to have fewer medical problems than people who are unable to work，said Robert Reynolds.
     Reynolds said， "The challenge has always been to understand if astronauts are as healthy as they would be had they been otherwise comparably employed but had never gone to space at all.To do this，we need to find a group that is comparable on several important factors."
  
  （1）How did researchers carry out their study？

  
  A．By doing interviews.
  B．By analysing some factors.
  C．By comparing different data.
  D．By doing experiments in the lab.
  （2）What can we learn from the text？

  
  A．All radiation is harmful to human health.
  B．Athletes tend to be poorer than most Americans.
  C．Healthy worker effect makes working people healthier.
  D．Research has explored the mental and physical demands of being astronauts.
  （3）What can be inferred from Reynolds' words？

  
  A．Researchers are determined to face the challenge.
  B．The research is almost impossible to conduct.
  C．Several important factors hold back the research.
  D．Astronauts are as healthy as they would be if they haven't been astronauts.
  （4）What can be a suitable title for the text？

  
  A．Astronauts-healthy or otherwise
  B．Astronauts are as healthy as athletes
  C．Radiation affects astronauts' health
  D．Astronauts-well-educated and earn more
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Ⅲ.語法填空閱讀下面短文，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。

• 12．A computer program has beaten a human player at the ancient Chinese board game Go（圍棋）．It marked an important advance for the （1）

  （develop） of artificial intelligence．The program，（2）

  （call） Alpha Go，had taught itself how to win．It beat the European player in all five games of a match in October．The developers say （3）

  （it） learning ability may someday let computers help solve real world problems．Those could include making medical diagnoses and （4）

  （explore） scientific research．
      Previous computers have beaten humans in other games．But among classic games，Go has long been viewed as the most challenging game for artificial intelligence to master．Therefore，many people find it （5）

  （accept） when AlphaGo won the human player．
      Go involves two players who take turns putting markers on a checkerboard-like grid （格子）．Players obtain the opponent's pieces （6）

  surrounding them．The rules are simple， （7）

  playing it is not．It's （8）

  （probable） the most complex game ever created by humans．
      Martin Mueller，a computing science professor， （9）

  （work） on Go programs for 30 years．He once said， "The new program is really a big step up from everything else that we've seen．It's a very （10）

  （amaze） piece of work．"
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