Unit5 A fine balance词汇 短语 句子专项训练 2026-2027学年外研版英语九年级上册

**基本信息** 聚焦外研版九年级Unit5定语从句（that/which）及生态主题词汇短语，通过“规则-例句-分层练习-范文”体系，系统强化语法应用与语言表达能力，培养学生语言能力与环保意识。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |语法总结|3条规则+例句|that/which定语从句互换、特殊用法（最高级/不定代词用that，介词提前/非限制性用which）|从基础用法到特殊情况，构建完整语法规则链| |拓展句型|3个核心句型|It is no surprise that…、倍数表达、depend on等固定结构|衔接语法与写作，提供功能句型模板| |随堂练|7题型80题|通过选词/词形/补全句子等分层训练，强化语法规则与词汇应用|从单一语法点到综合语言运用，形成“讲解-练习-输出”闭环|

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 学科网(北京)股份有限公司 $