摘要: A cook will be immediately fired if he is found in the kitchen. A. smoke B. smoking C. to smoke D. smoked

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When we talk about the universe, we____1____ the earth, the sun, the moon and the stars, and the space ____2____ them. Scientists have always wanted to know more about the universe.

Years ____3____ they knew many things about the moon. They knew ____4____ it was and how far away it was from the earth. ____5____ they wanted to know more about it. They thought the best way was to send ____6____ to the moon. In 1969, two Americans landed on the moon.

The moon is about 384000 kilometres away from the earth. A plane cannot fly to the moon because the air ____7____ only 240 kilometres away from the earth, But something can fly even when there is no ____8____. That is a rocket(火箭).

____9____ does a rocket, fly? There is gas(气体)in it.When the gas is made very ____10____ inside the rocket, it will rush out of the end of rocket, so it can make the rocket ____11____ the sky.

Rockets can fly far out into space. Rockets with people in them ____12____ the moon. Several rockets without people in them have ____13____ to another planet(行星)much farther away than the moon. One day rockets ____14____ be able to go to ____15____ place in space.

1. ( )A.know      B.mean      C.say        D.point

2. ( )A.without    B.behind     C.between     D.over

3. ( )A.before      B.after      C.later        D.ago

4. ( )A.how long   B.how heavy    C.how wide      D.how big

5. ( )A.qSo       B.Because      C.After      D.But

6. ( )A.men     B.satellites     C.spaceships      D.news

7. ( )A.gets     B.reaches      C.arrives       D.stays

8. ( )A.air      B.space      C.cloud        D.smoke

9. ( )A.Where      B.When     C.How        D.What

10. ( )A.cook      B.cold      C.hot          D.warm

11. ( )A.to run out of   B.run out of    C.to fly up into     D.fly up into

12. ( )A.have been to   B.have gone to   C.have been in   D.have gone in

13. ( )A.visited      B.flown     C.risen        D.fallen

14. ( )A.can      B.may      C.need          D.would

15. ( )A.any      B.some        C.a         D.the

 

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