Things are on the moon on the earth. A. much lighter, than B. much heavier, thanC. as ——青夏教育精英家教网—

　　For hundreds of year, men have wanted to travel to the moon．When they looked at the moon, they asked many questions．Was the moon hot or cold?Were there any plants or other living things there?They asked many, many other questions．Some people said there were living plants on the moon．Others said nothing could live there because there was no air or water on the moon．

　　We know much about the moon now．Scientists have studied the moon for many years and have found out many facts．Not long ago spaceships with men in them flew to the moon．

　　What do we know about the moon?We find that the moon is much smaller than the earth．It is about one quarter size of the earth．It is traveling round the earth all the time．

　　Days and nights on the moon are very long．One day on the moon is as long as two weeks on the earth．One night is also as long as two weeks on the earth．In the day the moon is very hot．At night it is very cold．The moon is much hotter and much colder than the earth．

　　There is another surprising thing．On the moon, things are not as heavy as they are on the earth．Isn’t that interesting!

　　Perhaps one day we can all travel to the moon．It must be great fun．

(1)

There are not any plants or other living things on the moon because ________．
[　　]
A．	there is no air there
B．	their is no water there
C．	both A and B

(2)

The moon is ________ the earth．
[　　]
A．	much smaller than
B．	much bigger than
C．	about as big as

(3)

One day on the moon is as long as ________ on the earth．
[　　]
A．	one week
B．	two weeks
C．	one month

(4)

The moon is much hotter in the day and ________ at night than the earth．
[　　]
A．	much hotter
B．	much colder
C．	as hot as

(5)

On the moon things are ________ they are on the earth．
[　　]
A．	heavier than
B．	lighter than
C．	as heavy as

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Believe it or not, the day when you can go to the moon is coming soon. You can go into space 1 space shuttle. It 2 about three days for the shuttle to go from the earth to the moon. The shuttle flies a long way to a space station. You can stay there for a short rest and then it will 3 you to the moon.

Now you can jump out of the shuttle. But you mustn’t take 4 your spacesuit, because it is very hot in the daytime and very cold at night on the moon. The moon is much smaller than the earth. Things are 5 on the moon than they are on the earth. You can jump high every time you take a step. You will find that it is never tiring to walk on the moon. You don’t need to take an umbrella or a raincoat with you, 6 there is no rain on the moon. You can hear 7 because there is no air on the moon. And there are no animals or 8 living things there.

The moon moves more slowly than the earth, so one day on the moon is as long as two weeks on the earth and one night is just as long as two weeks on the earth. What could you do in 9 long days and nights and in a silent world? Now scientists are trying to make the 10 of the moon. But our earth is really a far better place to live, as long as we take good care of it.

1. A. on B. in C. by D. with

2. A. spends B. costs C. takes D. pays

3. A. bring B. carry C. ride D. fly

4. A. up B. down C. on D. off

5. A. light B. heavy C. lighter D. heavier

6. A. since B. when C. if D. so

7. A. something B. anything C. everything D. nothing

8. A. any B. other C. another D. /

9. A. so B. such C. so a D. such a

10. A. worse B. worst C. better D. best

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