Lesson 8 Why Are Plants Important？ 练习

Unit 2 Lesson 8 Why Are Plants Important？
同步练习
一、单项选择。
1. —What can you see ________ the tree?
—Aha! Koalas! Seven of them!
A. on B. in　
C. above D. over
2. Thanks to our teachers. ________ their help, we couldn't make such great progress.
A. Without B. With
C. About D. For
3. The Monkey King can turn himself ________ seventy-two different animals and objects.
A. down B. on
C. off D. into
4. She told us that by the end of the year, she was very ________ about the bullying(欺凌) and became ill.
A. pleased B. worried
C. satisfied D. amazed
5. —Our head teacher is responsible for his work. He spends most of his time with us.
—________ He always communicates with our parents in his free time.
A. I hope so! B. What?
C. That's for sure. D. Why?
6. Summer camping is a great experience for students. It is good to help them ________.
A. wake up B. get up
C. hurry up D. grow up
7. It's bad for your eyes ________ computer games too much.
A. play B. playing　
C. to play D. plays
8. Kaili is one of the most beautiful ________ in Guizhou.
A. place B. cities　
C. town D. county
9. The scarf which is ________ silk ________ soft and comfortable.
A. made from；feel B. made of；feels
C. made in；smell D. made up of；smells
10. Are there many trees ________？
A. where do you meet B. where you meet
C. you meet where D. you meet there
二. 用所给单词的适当形式填空。
1. It's pleasant ____________(work) with you.
2. She left without ____________(say) a word.
3. Plants can help ____________(clean) the air.
4. People and other animals need food ________(live).
5. He lost his key. It made him ________(stay) in the cold to wait for his wife's return.
三. 任务型阅读。
Plants are very important. Plants can make food from air, water and sunlight. Animals and man cannot make food from air, water and sunlight. Animals can get their food by eating plants and other animals. Man gets his food by eating plants and animals, too. Soanimals and man need plants in order to live. This is why there are so many plants around us.
There are two kinds of plants：flowering plants and non-flowering plants. Almost all the trees around us are flowering plants. You can know some trees from their flo-wers and fruit. Non-flowering plants do not growflowers. You can not see many non-flowering plants around you.
If you look carefully at the plants around you, you will find that there are many kinds of plants. Some plants are large and some are small. Most of them are green. Thanks to the plants around us, we can live on earth.
1题完成句子; 2～3题简略回答问题; 4题找出并写下全文的主题句; 5题将文中画线句子译成汉语。
1. Animals and man need plants________________________________.
2. Can animals and man make food from air, water and sunlight?
________________________________________________________
3. How many kinds of plants are there in the world according to the passage?
________________________________________________________
4. ________________________________________________________
5. ________________________________________________________
四. 根据句意及所给中文完成句子，每空一词。
Trade _____(有助于) the development of industry.
It’s _________(愉快的) to climb mountain.
________(没有) food, they would have nothing to eat and they would die.
We can sit in the _____ (树荫)under the tree.
Trees and plants help us _____(满足) our basic needs.
6. We can turn the tree ____ paper.
7. Other structures will be _____ ____ (由…制成)high tech materials called memory metals.
8. ____ a word, we can’t live without the sun.
同步练习答案
一、1. B　 2. A　 3. D　 4. B 　5. C　
6. D 7. C　 8. B　 9. B　10. B
二. 1.to work　 2.saying　 3.(to) clean　 4.to live　 5.stay
四. 1. helps 2. pleasant 3. Without 4. shade 5. fulfill
6. into 7. made from 8. In