Question

翻译句子。

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.

Answer 1

1. What is the air made up of    
2. caused by  
3. protects the earth from  
4. difficult to learn  
5. have very important effects