题目内容

follow, over,grow, population, trouble, 

child, government, woman, get, age, policy, control

  China is a country with the largest 1 in the world. Too many people cause too much 2 , for example, the food problem. And today, in order to  3  the increasing population, China has carried out the 4 of family planning. That is late marriage, late childbirth (晚育)and having fewer but healthier 5  Men of 22 years old and 6 of 20 years old can get married(结婚).If a man of 25 gets married to a woman of 23 or 7 23 , their marriage is a late marriage. Childbirth by a woman at the 8 of 25 or more is late childbirth.

   The 9 encourages people to have only one child in a family. And the one-child policy is still needed in China in the 10  years. We have a long way to go.

1.________ 2._________  3.__________

4.________ 5._________  6._______

7.________ 8._________  9.__________

10.________

1. population 2. trouble  3. control  4. policy 5. children 6. women

7. over   8. age   9. government   10. following

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 Mars is the fourth planet from the sun. It is 141 million miles away from the sun. A year on Mars is 687 Earth-days long. One day is about the same as on Earth: 24. 25 hours long.

  Mars is about half the size of Earth. Because Mars is smaller than Earth,its gravity is also less. If you weighed 100 pounds on Earth, you'd weigh about 38 pounds on Mars.

  Mars' surface looks like a red desert. There are mountains, canyons(峡谷).and volcanoes (火山)and so on. It is a dry planet without any liquid water(液态水).It does have ice caps at its north and south. Some of this ice is frozen(冻结的)carbon dioxide.

  Evidence shows that Mars once had rivers, streams, lakes, and maybe even an ocean. Scientists guess that there once was water on the surface of Mars that created these. Today the only water on Mars is either frozen in the ice caps or underground.

  Mars has mountains that are much higher than the mountains on Earth. Olympus Mons, the biggest volcano in the whole solar system, stands 17 miles tall!Mars also has bigger, deeper canyons than Earth's. Some of these are sixty miles long and five or six miles deep. How amazing!

根据短文内容,选择最佳答案。

(   ) 1. How long is the time of a year on Mars?

A.   About one year on Earth.

B.   About two years on Earth.

C.   About three years on Earth.

D.   About four years on Earth.

(   ) 2. According to the passage, the gravity on Mars is about       as strong as

it's on Earth.

A. four fifths    B. three fifths

C. two fifths    D. one fifth

(   ) 3. What does the surface of Mars look like?

A.   A red desert.

B.   Liquid water.

C.   The surface of Earth.

D.   The surface of the ocean.

(   ) 4. What's the meaning of the underlined word " evidence"?
A.材料          B.起源

C.清单          D.迹象

(   ) 5. What's the best title of the passage?

A.   The Earth is Different from Mars

B.   The Fourth Planet from the Sun

C.   Olympus Mons on Mars

D.   The Gravity on Mars

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