人教新版九年級全冊《Unit 13 We're trying to save the earth!》2020年同步練習卷（Section A （3a-4c））

Ⅰ.根據(jù)句意及首字母提示補全單詞

• 1．Burning e-waste is h

  to our health. Please don't do it.
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• 2．Workers in some i

  have their hearing harmed by the noise of the machines.
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• 3．I can't a

  to buy the car， because I don't have enough money.
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• 4．We should collect the r

  materials in our life.
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• 5．It is necessary for every one to take a

  to protect our earth.
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• 6．S

  studies have shown that enough sleep is good for our health.
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• 7．The king was very c

  and he gave orders that those poor people would be killed at once.
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• 8．Don't you know stealing is against the

  （法律）？
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• 9．I have ever taken p

  in an environmental project.
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Ⅴ.任務型閱讀

• 27．A．根據(jù)短文內(nèi)容，從短文后的選項中選出適當?shù)倪x項補全短文．
  The earth is about 4，600 million years old．We humans have lived on the earth for only 35，000 years，but during this period we have changed our planet a lot in many ways．（1）

  
  All over the world，people have cut down millions of trees，so more and more kinds of animals and plants are disappearing．In big cities，cars and buses have polluted the air．Factories have also polluted the land and the water．
  （2）

  It is important to the earth．But now air pollution is destroying it and that has made a very big hole in the ozone layer （臭氧層）．（3）

  This is very dangerous because it can cause cancer．
  Carbon dioxide （CO₂） in the air has increased a lot．（4）

  it has formed a"blanket"（毛毯） around the each．（5）

  This makes our earth become warmer and warmer．Therefore，this causes the level of the ocean to rise．
  All these problems are very serious．We must do something to stop our earth from being polluted anymore．
  

  A．The heat from the sun can't escape，so the temperature is rising． B．Too much harmful light from the sun passes through it and reaches the earth directly， C．Some things we've done are very good for the earth while some are bad． D．Around the earth，there's a special kind of oxygen （O2） called"ozone"（O3）． E．It mainly comes from different kinds of burning materials．
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Ⅵ.語法填空

• 28．閱讀下面短文，在空白處填入一個適當?shù)脑~，或填入括號中所給單詞的正確形式（每空不多于3個單詞）。
      You can do many things to save the environment if you would like.In this passage，you can find some （1）

  （way）．
      Plant more trees.Choose a right ground near your house or workplace.Unless there's any rule stopping you（2）

  （grow） trees in that area，go ahead and plant trees.Plant a tree every month and encourage your friends and classmates （3）

  （join） you.Have more and more trees planted and there will come a day when you have green land thanks to your hard work.
  Walk more and drive （4）

  （little）．Choose to walk rather （5）

  drive your car.Walk or ride a bicycle to work if it's not very far.Not only cycling but also （6）

  （walk） is good exercise.And each time you avoid using your car，you're doing something（7）

  （help） to cut down air pollution.You are saving fuel，saving money and keeping fit as well.
      Save jye.ai.Water is very important to living things.It's we who use and pollute it.The simplest way （8）

  （save） water is turning off water taps after we use them.When you visit a beach，make sure that you don't throw waste around.Do not pollute rivers （9）

  dropping garbage or other waste.Water is so precious， （10）

  we can't waste or pollute it.
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