1．想象,设想             
2．控制,支配            
3．打乱,扰乱            
4．平衡            
5．双胞胎之一            
6．种族主义             
7．平面,水平             
8．出生,诞生             
9．士兵                             
10．战争              

1．—空气由什么组成？
      —由尘埃和各种气体组成。
      —_______________________.
      —It is made up of dust and gases.
2．—空气污染主要是什么引起的？
      —汽车的废气。
      —What is air pollution mainly_______________________?
      —The waste gases from cars.
3．大气保护地球免遭太阳的炙烤。
      The atmosphere______________________ the sun's heat.
4．我发现学这个单元的生词很难。
      I found it_______________________the new words of this unit.
5．这本书将对你的生活有非常重要的影响。
      This book will _______________________on your life.

1. 我和玛利亚是好朋友，我们经常互相帮助。
    Maria And I are good friends. We often ______ ______ ______.
2. 你明天有空吗？
    ______ you ______ tomorrow?
3. 请叫他给我回电话。
   Please ask him to ______ ______ ______.
4. 你想和我一起去购物吗？
    Would you like to ______ ______ with me?

1.我们擅长预防疾病。 

   We ____ ____ ____ ____  illness.

2.我正在想这个问题。 

   I'm ____  ____ this problem.

3.他们已经结婚20年了。

  They've ____ ____  for 20 years.

4.我们不再年轻了。 

  We're ____ ____ young.

5.他们筹集资金开创了一家公司。 

   They ____ money and ____ a company.

1. 你的毛衣是什么颜色?是褐色的.
    What _______ _______ your_______? _______ brown.
2.  — 这是你的裤子吗? — 不,是我表弟的.
    _______ _______ your trousers? No, _______ my _______.
3. — 放学后,你哥哥步行回家吗? — 不,他骑车回家.
   _______ your brother _______ home after school? No, he _______ a bike home.
4. 我们上像音乐、美术、体育等其他课.
   We have _______ lessons, _______ Music, Art and P.E.
5. 书包里有一块橡皮和四本书.它们是丽莉的.
   There _______ a _______ and four _______ in the bag. They're _______.
6. 我们每周上五节英语课.
    We have _______ _______ _______ every week.

1. 迟早                
2. 爆发                
3. 张贴                
4. no littering               
5. no longer                   
6. human beings                _
7. level of life   ___     _
8. new breeds humans    ____      

1. We must_____(保护环境)around us in order to make our homeland more beautiful.
2. Everyone of us should devote ourselves to keeping           (生态平衡)．
3. Let's       __ (收拾干净)the broken glass before someone walks on it．
4. It is everyone's duty to save the    _    (能源)．
5. We often      __  (利用)these waste things to make something else.

1．—史密斯先生在家吗?
      —对不起,他不再住这儿了.
      —Is Mr Smith at home?
      —Sorry. He ____         lives here.
2．为了使我们国家更富强,我们必须要做许多事情.
      A lot of things_____                   to make our country richer and more powerful.
3．与大自然母亲玩游戏不安全.
       It         ____                 play with Mother Nature.
4．你能想象他横渡长江的情形吗?
      Can you ____  ____        across the Chang jiang River?
5．如果不按自然规律办事,我们迟早将被大自然所控制.
       If we don't do everything according to the law of nature,
       we'll be controlled by the nature____                   .

1. 我希望我将更聪明。
   I hope I ____more clever.
2. 同其他孩子相比，她更勤奋。 
  She is   ____than other children.
3. 长城是中国最著名的名胜之一。 
  The Great Wall is one of ____in China.
4. 我将设法解决你们的吃住问题。 
  I'll             your living and eating.
5. 他们把那个男孩当亲生孩子看待。
  They ____their own child.