譯林版（三起）六年級上冊《Unit 7 Protect the Earth》2021年同步練習(xí)卷（第4課時(shí)）（1）

一、單項(xiàng)選擇。

• 1．Look!There are too many ________ in the river．（　　）

  A．fish

  B．plastic

  C．rubbish

  D．water
  組卷：114引用：6難度：0.5

  解析

• 2．We________use too many plastic bags．（　?。?/h2>

  A．should

  B．shouldn't

  C．can
  組卷：10引用：2難度：0.8

  解析

• 3．Trees help _______ the air clean.（　　）

  A．keeping

  B．to keep

  C．keep

  D．keeps
  組卷：19引用：1難度：0.8

  解析

• 4．Water is__________.（　?。?/h2>

  A．use

  B．using

  C．reuse

  D．useful
  組卷：23引用：2難度：0.6

  解析

• 5．We can use water ____________things．（　?。?/h2>

  A．to clean

  B．cleaning

  C．clean

  D．cleans
  組卷：76引用：8難度：0.8

  解析

二、按要求完成句子

• 14．Mr White flew a model plane with us.（改成否定句）
  Mr White

  a model plane with us.
  組卷：3引用：1難度：0.7

  解析

三、根據(jù)短文內(nèi)容，選擇正確答案。

• 15．根據(jù)短文內(nèi)容，選擇正確答案。
     The earth has a lot of water and it comes from rain .But most water is very salty（咸的）and is not good for people to drink .In fact（事實(shí)上），there is not so much clean water for us to drink every day .And some farms have not so much rain every year .So the earth is dry（干燥的）and farmers can not grow rice on the earth .
     We students should know it is good to save water and don't waster any water .we can reuse water in life .So our earth will not lack（缺乏）clean water any more .
  （1）Where does the water come from ？

  
  A．It comes from rain .
  B．It comes from the factory.
  C．It comes from farm .
  （2）Most of the water on the earth is

  .
  A．clean
  B．salty
  C．dirty
  （3）What else do we know about the water on the earth ？

  
  A．We have too much clean water.
  B．We do not have a lot of clean water .
  C．It is going to rain a lot all over the world .
  （4）Why can't some farmers grow rice ？

  
  A．Because the earth is dry .
  B．Because they are tired .
  C．Because they don't have farms .
  （5）What can we students do to save water ？

  
  A．Use more water .
  B．Don't drink water .
  C．Reuse water in our life .
  組卷：18引用：1難度：0.4

  解析