外研版（2019）必修1《Unit 6 At one with nature》2021年同步練習(xí)卷（課時(shí)分層作業(yè)17）

Ⅰ.單句語法填空

• 1．The boy

  whom they often talk is very kind.
  組卷：0引用：1難度：0.6

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• 2．Is there any reason

  which you should have a holiday？
  組卷：0引用：1難度：0.7

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• 3．There are different kinds of books

  which you may choose.
  組卷：0引用：1難度：0.6

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Ⅰ.單句語法填空

• 10．The plan

  which most people present didn't agree was called off．
  組卷：16引用：4難度：0.9

  解析

Ⅱ.閱讀理解

• 11．As ice melts in West Antarctica，the ground beneath is quickly rising-a process that could prevent the catastrophic （災(zāi)難性的）collapse of ice sheets，according to researchers.
     A study published in the journal Science provides a glimmer （一絲）of hope for a region affected by climate change.In recent years，several studies have warned that the ice sheet，which contributes to a quarter of melted ice worldwide annually，is very easy to break up.Scientists fear even slightly melting could cause global sea levels to rise by 3 metres.
     Researchers at the Technical University of Denmark set out to answer how the bedrock underneath the ice sheet of West Antarctica behaves as the ice melts.To study the land，the team analyzed data collected by high precision GPS equipment positioned on remote rock formations in West Antarctica，which measured movements of the land down to the millimetre over a 10 year period.
     "After a heroic effort to install and maintain the network of sensors in one of the least accessible places on the planet，the team has been rewarded with incredibly valuable data，which tell an incredible story about the Earth，" wrote Valentina Barletta.
     The team found that the Earth was pushing the bedrock to rise faster than expected.In 2014，the surface rose by 41 millimetres：four to five times quicker than predicted.In 100 years，the land could be up to 10 metres higher than it is currently.
     It is hoped that as the ice melts，the Earth's crust （地殼）will bounce back much faster than previously expected.In turn，this could stabilize what the researchers described as the "catastrophic collapse" of the ice sheet.
     Barletta told Newsweek the ice sheet will never be stable if global warming becomes too extreme."Reducing the greenhouse gas will give the ice sheet a better chance of survival because that would allow some known and unknown feedback to create better conditions for the ice，" she said.
  
  （1）What happens to West Antarctica as ice melts？

  
  A．The ground beneath is getting taller.
  B．Its ice sheets break up completely.
  C．Global sea levels rise by 3 metres.
  D．Climate change comes to an end.
  （2）Why do researchers use high precision GPS equipment？

  
  A．To find out whether the ice sheet is very easy to break up.
  B．To find out the connection between the bedrock and ice melting.
  C．To find out what really affects the speed of ice melting.
  D．To find out when West Antarctica will disappear totally.
  （3）How did the research team feel about the study result？

  
  A．Disappointed.
  B．Sorry.
  C．Surprised.
  D．Angry.
  （4）What should we do for the ice sheet's survival？

  
  A．Stop the bedrock from rising.
  B．Install more highprecision GPS equipment.
  C．Create more ice for the ice sheet.
  D．Cut down the greenhouse gas.
  組卷：12引用：1難度：0.5

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