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外研版九年级上册Unit5 A fine balance词汇 短语 句子专项训练
共120分
单元核心语法总结:
that / which 定语从句（先行词为事物）
1. 先行词是物，一般that、which可互换；作主语不能省略，作宾语可省略。
eg：The forest that/which we visit is beautiful.
2. 只能用that：先行词有最高级、序数词、all/everything/nothing等不定代词修饰
3. 只能用which：介词提前、非限制性定语从句
拓展句型
It is no surprise that… 毫不奇怪……
…times as + adj. + as ……是……几倍
depend on 依靠；play an important role in 在……起重要作用
书面表达范文 Protect Our Ecosystem
All living things depend on each other to stay in balance. The ecosystem that connects plants and animals is very fragile. Many endangered animals are facing danger because of human activities. Pollution and logging break the balance of nature.
We should take action to protect the environment. We can plant more trees and stop polluting rivers. Remember that nature is our home. If we get along well with nature, all living things will survive happily.
随堂练
一、选词填空（每题1分，共10分）
1. This is the forest ________ (that/who) provides home for many wild animals.
2. The river ________ (which/who) was polluted is getting clean now.
3. We must keep the ________ (balance/balanced) of nature.
4. Many animals ________ (have been hidden / hidden) by thick forests for centuries.
5. Nothing ________ (that/which) harms the ecosystem should be allowed.
6. The number of birds ________ (drops/drop) greatly every year.
7. Plants and animals depend on ________ (each other/one another) to live.
8. This park is twice as large ________ (as/than) that one.
9. It is no surprise ________ (that/which) some animals return to the wild.
10. Forests play an important role ________ (in/on) protecting our earth.
二、用所给词适当形式填空（每题1.5分，共15分）
1. We need to protect these ________ (endanger) animals.
2. The whole world ________ (make) up of different ecosystems.
3. The pollution ________ (harm) many living things around us.
4. Animals ________ (live) in this area depend on clean water.
5. These natural wonders ________ (hide) by smog for many years.
6. Too much logging ________ (break) the balance of forests.
7. We should stop people from ________ (cut) down trees.
8. Many kinds of plants failed ________ (survive) in bad environment.
9. Young wildlife is ________ (vulnerable) to cold weather.
10. Everyone ________ (encourage) to live a green life.
三、根据中文提示写出单词/短语（每题1分，共20分）
1. We should keep the natural ________ (平衡).
2. A rainforest is a complex ________ (生态系统).
3. Tigers are ________ (濒危的) animals in China.
4. Young animals are ________ (脆弱的) without parents.
5. All living things ________ (依靠) each other.
6. Human activities may ________ (危害) wild animals.
7. We need to ________ (保护) wetlands and forests.
8. The temperature will ________ (下降) soon.
9. All parts ________ (组成) the whole ecosystem.
10. Wildlife ________ (生存) better in clean environment.
11. We must let nature ________ (保持平衡).
12. Trees ________ (发挥重要作用) on our planet.
13. Learn how to ________ (与自然和谐共处).
14. People stop ________ (砍伐树木) in this reserve.
15. Some birds ________ (数量增长) in recent years.
16. Don’t let wildlife ________ (从地球上消失).
17. The lake ________ (充满) different kinds of fish.
18. We should think about ________ (人类活动).
19. The country tries to stop illegal ________ (伐木).
20. Pollution will influence the ________ (生存) of animals.
四、短语英译汉（每题1分，共15分）
1. stay in balance
2. depend on each other
3. be made up of
4. play an important role in
5. get along with nature
6. cut down trees
7. increase in number
8. drop greatly
9. natural world
10. disappear from the earth
11. be full of living things
12. have an influence on
13. protect the ecosystem
14. without pollution
15. three times as large as
五、汉译英补全句子，一空一词（每题2分，共20分）
1. 这是一片为野生动物提供栖息地的森林。
This is the forest ________ offers homes to wild animals.
2. 所有生物相互依存以维持自然平衡。
All living things depend on each other to ________ ________ ________ balance.
3. 我们需要学会如何与大自然和谐共处。
We need to learn how to ________ ________ ________ nature.
4. 这片森林多年来一直被雾霾遮蔽。
The forest ________ ________ ________ by heavy smog for years.
5. 任何破坏生态系统的行为都应该被制止。
Anything ________ harms the ecosystem should be stopped.
6. 树木在保护水土方面发挥重要作用。
Trees ________ ________ ________ ________ in protecting soil and water.
7. 这个保护区面积是那个公园的两倍大。
This reserve is twice ________ large ________ that park.
8. 毫不奇怪，越来越多野生动物回到这里。
________ ________ ________ that more wild animals return here.
9. 过度砍伐会打破大自然的平衡。
Too much logging will break ________ ________ ________ nature.
10. 我们必须采取行动保护濒危物种。
We must take action to protect ________ ________.
六、单项选择（每题1分，共10分）
1. This is the river ______ provides clean water for local animals.
A. who B. which C. whose
2. Is there anything ______ we can do to protect wildlife
A. that B. which C. what
3. Many mountains ______ were covered by smog look clear now.
A. who B. / C. which
4. Plants and animals depend ______ each other to live.
A. in B. on C. at
5. The number of wild birds ______ year by year.
A. drop B. drops C. dropping
6. The park is three times as big ______ the small lake.
A. as B. than C. so
7. These animals ______ for hundreds of years in the mountains.
A. hide B. have been hidden C. are hiding
8. We should stop people ______ cutting down forests.
A. to B. from C. for
9. Young animals are vulnerable ______ cold weather.
A. to B. at C. with
10. We all need to keep the ______ of nature.
A. balance B. balanced C. balancing
七、句型转换（每题2分，共10分）
1. This is the wetland. It protects lots of birds.（用which合并定语从句）
This is the wetland ________ ________ lots of birds.
2. Pollution harms many wild animals.（改为现在完成时被动）
Many wild animals ________ ________ ________ by pollution.
3. We should protect the ecosystem.（对划线部分提问）
________ ________ we protect
4. The mountain park is twice as large as that farm.（改为同义句）
That farm is half ________ large ________ the mountain park.
5. It is no surprise that animals come back.（改为简单句）
________ animals come back is not surprising.

参考答案
一、选词填空
1. that 2. which 3. balance 4. have been hidden 5. that
6. drops 7. each other 8. as 9. that 10. in
二、词形填空
1. endangered 2. is made 3. harms 4. living 5. have been hidden 6. breaks
7. cutting 8. to survive 9. vulnerable 10. is encouraged
三、根据中文写单词/短语
1. balance 2. ecosystem 3. endangered 4. vulnerable 5. depend on 6. harm
7. protect 8. drop 9. are made up of 10. survive 11. stay in balance 12. play an important role
13. get along with nature 14. cutting down trees 15. increase in number
16. disappear from the earth 17. is full of 18. human activities 19. logging 20. survival
四、短语英译汉
1. 保持平衡 2. 互相依存 3. 由……组成 4. 在……发挥重要作用 5. 与自然和谐共处
6. 砍伐树木 7. 数量增长 8. 大幅下降 9. 自然界 10. 从地球上消失
11. 遍布生物 12. 对……产生影响 13. 保护生态系统 14. 没有污染 15. ……的三倍大
五、补全句子
1. that/which
2. stay in natural
3. get along with
4. has been hidden
5. that
6. play an important role
7. as; as
8. It is no surprise
9. the balance of
10. endangered species
六、单项选择
1.B 2.A 3.C 4.B 5.B 6.A 7.B 8.B 9.A 10.A
七、句型转换
1. which protects
2. have been harmed
3. What should
4. as; as
5. That

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