1. 根据短文内容，选择正确答案。

    Do you know about the sun, the moon or the earth? Let me tell you. The sun is a star. It is big and bright. It is hot. And it gives us light and heat(光和热量). We need the sun. Animals and plants both need it. The moon is a satellite(卫星). It goes around (围绕...转) the earth. On the moon there is no water or air(空气). So no people live on the moon. The earth is a planet(行星). It goes around the sun. It is our home. We live on the earth. So we should love our home-the earth.

1. （1） The sun can give us ______________.

   A . water B . food C . light and heat
3. （2） Animals, plants and we all need ______________.

   A . the moon B . the earth C . the sun
5. （3） The earth goes around ______________.

   A . the moon B . the sun C . stars
7. （4） On the moon there is no ______________.

   A . water or air B . no water or food C . no light and water
9. （5） ______________ is our home. We should protect (保护)it.

   A . The sun B . The earth C . The moon