阅读下面短文，根据短文内容，选择最佳答案

　　Plants are very important living things. Life couldn't go on if there were no plants. This is because plants can make food from the air, water or sunlight. Animals and man can't make food from air, water or sunlight. Animals get their food by eating plants and other animals. Man gets his food by eating plants and animals, too. Therefore, animals and man need plants in order to live. This is why we find that there are so many plants around us.

　　If you look carefully at the plants around you, you will find that there are many types of plants. Some are large while others are small. Most plants are green.

　　There are two main types of plants：flowering plants and non－flowering plants. Flowering plants have roots, stems and leaves, flowers and fruits. Almost all the trees around us are flowering plants. You probably recognize some plants from their flowers and fruits.

　　Non－flowering plants don't grow flowers. They include coniferous trees, mosses, and liverworts. You can' t see many non－flowering plants around you.

1．How do plants get food?

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2．How do man and animals get food?

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A．From the air, water and sunlight.

B．Only by eating plants.

C．By eating plants and animals.

D．By eating all the plants and animals:

3．What are the two main types of plants?

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A．Flowering plants.

B．Flowering plants and non－flowering plants.

C．Coniferous trees and mosses.

D．Large plants and small ones.

4．What are the flowering plants made up of?

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A．Roots, stems and leaves.

B．Roots, stems and leaves, flowers and fruits.

C．Roots, stems and flowers and fruits.

D．Just stems, flowers, leaves and fruits.

完形填空

先阅读短文，掌握其大意，然后从A、B、C、D四个选项中选出一个可以填入相应空白处的最佳答案．

　　There are seas, lakes and forests on the earth. There are cities, towns and farms, 1 . All these things are environments(环境). The environment is everything around you. It can be living(有生命的), like a forest. It can be non-living(无生命的), 2 a rock or a mountain.

　　No living thing can live 3 . Every living thing depends(依靠) on 4 things in its environment. When something 5 , it affects(影响) something else. If a non-living thing like water becomes 6 to find, plants will be affected. If all plants 7 , the animals that eat plants will be affected.

　　Weather, such as(例如) temperature, wind and rain, can change an environment. 8 can change an environment, too. Some things that people do cause(引起) 9 change or only a small change in the environment. For example, people can 10 the forest and just travel around. They can cut down only a few trees and 11 change the environment very much. On the other hand(另一方面), some things that people do cause 12 change. Sometimes they can change 13 environment by cutting down a forest.

　　 14 changes are bad. If we cut down a forest to build houses or plant crops(庄稼), this may not be 15 . But what would happen if we cut down all trees in all forests 16 these things or if we didn't 17 some and plant something else?

　　It is clear that people are able to 18 an environment. This is why it is important to think about the changes before we make 19 . Let's all work together to 20 it clean and healthy.

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阅读理解：

　　　　Do you know something about the moon? You can see it at night.Sometimes it looks round and bright. It also looks quite near. But 　　it's far away from the earth. If you take a spaceship（宇宙飞船）,you will get there in more than three days. The spaceship flies at 　　11 kilometres（公里）a second. In 1969 two Americans landed on（登上）the moon by spaceship.

　　　　There are no living things on the moon because there is no air or water there. You can jump much higher there than on the earth.Some day we Chinese will get to the moon, too.

根据短文内容，选择最恰当的答案。

　　1. The moon looks ______.　　　　　　　　　　

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　　A. near　　B. far　　C. dark　　D. small

　　2. How long will it take you to fly to the moon by spaceship?

　　　　　　　　　　　　　　　　　　　　　　　　

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　　A. Five days.　　　　　B. Six days.

　　C. Over three days.　　D. About two days.

　　3. A: How fast can a spaceship fly?　　　　

　　 B: It can fly ______ kilometres in a second.

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　　A. eleven　　B. fifteen　　C. nine　　D. five

　　4. Two ______ astronauts（宇航员）landed on the moon in 1969.

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　　A. French　　B. American　　C. Germany　　D. British

　　5. People can't live on the moon now because there is no ______there.

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　　A. food or drinks　　　　　B. living things

　　C. people or houses　　　　D. air or water