The moon is the 5 planet to the earth. It is smaller than the earth. Plants can’t grow on the moon because there’s 6 air or water on it.

The moon hasn’t its own light. It shines 7 the light of the sun. When the sun is shining on the 8 of the moon that faces us, it looks like a great round ball. Sometimes we can’t see the moon 9 the sun is shining on the side that faces away 10 us.

1. A. Who    B. That　　 C. If　　   D. Whether　　　　　　　　

2. A. gone    B. goes　　 C. are sent  D. are going　　　　　　   

3. A. visiting  B. look at   C. live on   D. study on　　　　　　　　

4. A. studied  B. learn　　 C. say　　 D. told　　　　　　　　　　

5. A. near    B. nearer    C. nearest  D. inside　　　　　　　　   

6. A. no　　 B. few　　  C. a few    D. a little　　　　　　   　　

7. A. to　　  B. at　　   C. back　　 D. for　　　　　　　　　　

8. A. side    B. sides　　 C. back　　 D. front　　　　　　　　  

9. A. so that   B. because  C. so　　   D. why　　　　　　　　  

10. A. through  B. to　　   C. into　　 D. from　　 　　　　　　  

　　From a plane you can see the fields, cities, mountains and rivers below. ___1__ we go into space we see more and more of the earth. People and man-made satellites ___2__ up into space to ___3__ the earth, the stars and the planet and ___4__ more about them.

　　The moon is the ___5__ planet（行星）to the earth. It's smaller than the earth. Plant can't grow on the moon because there's ___6__ air or water on it.

　　The moon hasn't its own light. It shines ___7__ the light of the sun. When the sun is shining on the ___8__ of the moon that faces us, it looks like a great round ball. Sometimes we can't see the moon __9___ the sun is shining on the side that faces away __10___ us.

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