Question

  Scientists have always wanted to know more about the other worlds in space.  

Years ago they knew a lot about the moon. They | knew how big it is and how far away it is from the earth,j As we all know,there is no air or water on the moon. 

1      It’s very hot in the day,but very cold at night, Things are much lighter on the moon than on the earth, 2      It’s like jumping. But you can jump much higher    on the moon than on the earth. If you can jump one i meter on the earth,you can jump six meters on the   moon.   

  But they wanted to know more about it. They f thought and thought. 3      The moon is about 384,000 kilometers away from the earth. A plane cannot fly to the moon because the air   reaches only 240 kilometers high above the earth. Then i there is no air. 4          

 Spaceships can fly out into space. Spaceships with ( men in them have already reached the moon. Some f spaceships without men in them have flown to other parts,much farther away than the moon in the universe.5     .

 相据材料内容，从下面五个选项中选出能填人文中空缺处的最佳选项，使短文意思通顺，内容完整，并将其标号填写在下面题号后的横线上。

A. Walking on the moon is much more difficult.

B. One day spaceships may be able to go to any t place.

C. So there are no living things on the moon.    

D. But something can fly even when there is no air.     

E. At last,they found the only way to know more  

was to send man to the moon.  

1.        2.        3.        4.        5.       

Answer 1

 1 -5 CAEDB