Unit 5 A fine balance-Presenting ideas课文要点讲义2026-2027学年外研版英语九年级上册

该初中英语单元复习讲义通过框架式梳理与表格呈现构建知识体系，将15个核心句型按“结构解析-词汇拓展-语境应用”递进组织，高频短语汇总以中英互译表格归纳，清晰呈现语法、词汇重难点及内在逻辑联系。 讲义亮点在于分层练习设计，涵盖单项选择、完成句子、语篇选词填空等题型，如选词填空B篇通过短文整合核心句型，培养语言运用与思维分析能力。练习配详细答案，基础学生可夯实基础，优秀学生能提升综合应用，助力教师实施精准教学，支持学生自主复习策略养成。

Unit 5 A fine balance Presenting ideas 【课文要点】 1. ... is a serious problem. ……是一个严重的问题。 - serious adj. 严重的 - e.g. Water pollution ____________ a serious problem. 2. ... is / are in trouble. ……处于困境中。 - in trouble 处于困境中 - e.g. Many animals are ____________ trouble. 3. ... is / are suffering from... ……正在遭受…… - suffer from 遭受，忍受 - e.g. Many people are ____________ from air pollution. 4. ... is / are disappearing because of... ……正在因为……而消失。 - disappear v. 消失 - because of 因为（后接名词/动名词） - e.g. Some animals are ____________ because of human activity. 5. For..., there are a lot of things (that / which) we can do... 对于……，有很多（我们）可以做的事情…… - a lot of things 很多事情 - that / which 引导定语从句 - e.g. For the environment, there are a lot of things ____________ we can do. 6. First, we should set up / create / plant... 首先，我们应该建立/创造/种植…… - set up 建立，设立 - create v. 创造 - plant v. 种植 - e.g. First, we should ____________ more trees. 7. Second, we should... 其次，我们应该…… - e.g. Second, we ____________ save water. 8. Finally, we should... 最后，我们应该…… - finally adv. 最后 - e.g. ____________, we should stop throwing rubbish. 9. ... increase(s) in number / drop(s) greatly / appear(s) again. ……数量增加/大大下降/再次出现。 - increase in number 数量增加 - drop greatly 大大下降 - appear again 再次出现 - e.g. The number of animals will ____________. 10. ... benefit(s), too. ……也受益。 - benefit v. 受益 - e.g. The environment ____________, too. 11. It's much easier for... to... ……更容易…… - It's + 形容词 + for sb to do 对某人来说做某事是……的 - e.g. It's much easier for animals ____________ find food. 12. ... is / are not troubled by... ……不会被……打扰。 - be troubled by 被……打扰 - e.g. The fish are not ____________ by visitors. 13. We need to think more about... 我们需要更多地考虑…… - think about 考虑 - e.g. We need to ____________ more about our environment. 14. There is no time to waste. 没有时间可以浪费了。 - waste v. 浪费 - e.g. There is no time to ____________. 15. ... bring(s) hope to... ……给……带来希望。 - bring hope to 给……带来希望 - e.g. Protecting pandas ____________ hope to the whole environment. 【高频短语汇总】中英互译 1. in trouble ____________ 2. ____________ 正在遭受…… 3. because of ____________ 4. ____________ 因为 5. set up ____________ 6. ____________ 建立，设立 7. increase in number ____________ 8. ____________ 数量增加 9. drop greatly ____________ 10. ____________ 大大下降 11. appear again ____________ 12. ____________ 再次出现 13. be troubled by ____________ 14. ____________ 被……打扰 15. think about ____________ 16. ____________ 考虑 17. there is no time to waste ____________ 18. ____________ 没有时间可以浪费了 19. bring hope to ____________ 20. ____________ 给……带来希望 综合练习 一、单项选择 ( ) 1. Water pollution ____________ a serious problem. A. is B. are C. am D. be ( ) 2. Many animals are ____________ trouble. A. on B. at C. in D. for ( ) 3. Many people are ____________ from air pollution. A. suffer B. suffers C. suffered D. suffering ( ) 4. Some animals are ____________ because of human activity. A. appear B. disappears C. disappearing D. appeared ( ) 5. For the environment, there are a lot of things ____________ we can do. A. who B. which C. whom D. whose ( ) 6. First, we should ____________ more trees. A. plant B. plants C. planted D. planting ( ) 7. ____________, we should stop throwing rubbish. A. First B. Second C. Finally D. Then ( ) 8. The number of animals will ____________. A. increase B. increases C. increasing D. increased ( ) 9. The fish are not ____________ by visitors. A. trouble B. troubles C. troubled D. troubling ( ) 10. Protecting pandas ____________ hope to the whole environment. A. bring B. brings C. brought D. bringing 二、根据汉语意思完成句子 1. 水污染是一个严重的问题。 Water pollution ____________ a serious problem. 2. 许多动物处于困境中。 Many animals are ____________ trouble. 3. 许多人正在遭受空气污染的困扰。 Many people are ____________ from air pollution. 4. 一些动物正在因为人类活动而消失。 Some animals are ____________ because of human activity. 5. 对于环境，有很多我们可以做的事情。 For the environment, there are a lot of things ____________ we can do. 6. 首先，我们应该种植更多的树。 First, we should ____________ more trees. 7. 最后，我们应该停止扔垃圾。 ____________, we should stop throwing rubbish. 8. 动物的数量将会增加。 The number of animals will ____________. 9. 鱼不会被游客打扰。 The fish are not ____________ by visitors. 10. 保护大熊猫给整个环境带来希望。 Protecting pandas ____________ hope to the whole environment. 11. 没有时间可以浪费了。 There is no time to ____________. 12. 我们需要更多地考虑环境。 We need to ____________ more about our environment. 13. 噪音大大下降了。 The noise ____________ greatly. 14. 自然奇观再次出现。 Natural wonders ____________ again. 15. 植物也受益。 Plants ____________, too. 三、选词填空（从方框中选择合适的单词填空，注意形式变化） A | is | in | suffer | disappear | which | plant | finally | increase | trouble | bring | 1. Water pollution ____________ a serious problem. 2. Many animals are ____________ trouble. 3. Many people are ____________ from air pollution. 4. Some animals are ____________ because of human activity. 5. For the environment, there are a lot of things ____________ we can do. 6. First, we should ____________ more trees. 7. ____________, we should stop throwing rubbish. 8. The number of animals will ____________. 9. The fish are not ____________ by visitors. 10. Protecting pandas ____________ hope to the whole environment. B | is | in | suffer | disappear | which | plant | finally | increase | trouble | bring | Our environment 1.____________ in trouble. Many animals are 2.____________ because of human activity. People are 3.____________ from pollution. For the environment, there are a lot of things 4.____________ we can do. First, we should 5.____________ more trees. Second, we should reduce waste. 6.____________, we should protect animals. The number of animals will 7.____________. The air will become cleaner. Animals will not be 8.____________ by humans. Protecting nature 9.____________ hope to the whole world. We need to think more about our environment. There 10.____________ no time to waste. 四、用所给词的适当形式填空 1. Water pollution ____________ (be) a serious problem. 2. Many animals are in ____________ (trouble). 3. Many people are ____________ (suffer) from air pollution. 4. Some animals are ____________ (disappear) because of human activity. 5. For the environment, there are a lot of things that we ____________ (can) do. 6. First, we should ____________ (plant) more trees. 7. ____________ (final), we should stop throwing rubbish. 8. The number of animals will ____________ (increase). 9. The fish are not ____________ (trouble) by visitors. 10. Protecting pandas ____________ (bring) hope to the whole environment. 11. There is no time to ____________ (waste). 12. We need to ____________ (think) more about our environment. 13. The noise ____________ (drop) greatly. 14. Natural wonders ____________ (appear) again. 15. Plants ____________ (benefit), too. 答案 一、单项选择 1. A 2. C 3. D 4. C 5. B 6. A 7. C 8. A 9. C 10. B 二、根据汉语意思完成句子 1. is 2. in 3. suffering 4. disappearing 5. that/which 6. plant 7. Finally 8. increase 9. troubled 10. brings 11. waste 12. think 13. drops 14. appear 15. benefit 三、选词填空 A 1. is 2. in 3. suffering 4. disappearing 5. that/which 6. plant 7. Finally 8. increase 9. troubled 10. brings B 1. is 2. disappearing 3. suffering 4. that/which 5. plant 6. Finally 7. increase 8. troubled 9. brings 10. is 四、用所给词的适当形式填空 1. is 2. trouble 3. suffering 4. disappearing 5. can 6. plant 7. Finally 8. increase 9. troubled 10. brings 11. waste 12. think 13. drops 14. appear 15. benefit 1 学科网（北京）股份有限公司 $