Unit 3 A Green Earth, a Better Home课时3 Exploring the Topic 部分课时练习2026-2027学年仁爱科普版英语九年级上册

**基本信息** 初中英语九年级上Unit 3新授课同步练，以“词汇-句型-语篇”分层递进设计，夯实基础与思维训练并重，适配课时知识巩固需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|单词、词组默写|通过音标/中文提示强化核心词汇（如loudspeaker、waste sorting），直接关联单元主题| |巩固层|句型补全、词形转换|聚焦语法应用（如negative的形容词用法、correctly副词转换），衔接课文基础句型| |提升层|语篇填空、阅读理解|通过完形填空（垃圾分类流程）、阅读还原（因果关系逻辑）培养语篇分析与思维品质|

2026-2027学年仁爱版九年级上 Unit 3 A Green Earth, a Better Home 课时3 Exploring the Topic 部分课时练习 一、单词默写（根据音标或中文写出英文单词） 1. ________ /ˈlaʊdspiːkə/ n. 扬声器；扩音器 2. ________ /ˈneɡətɪv/ adj. 坏的，有害的 3. ________ /blʌd/ n. 血 4. ________ /ˈweɪstbɪn/ n. 垃圾箱；垃圾桶 5. ________ /bɪn/ n. 垃圾箱 6. ________ /ɡreɪ/ adj. 灰色的 7. ________ /bɪˈsaɪdz/ adv. 此外；而且 8. ________ /kəˈrektli/ adv. 准确地；正确地 二、词组默写（根据中文写出英文词组） 1. 因果关系链 __________________________ 2. 产生噪音 __________________________ 3. 对……造成伤害 __________________________ 4. 听力问题 __________________________ 5. 高血压 __________________________ 6. 心脏病 __________________________ 7. 垃圾分类 __________________________ 8. 厨房垃圾 __________________________ 9. 有害垃圾 __________________________ 10. 不同颜色的垃圾桶 __________________________ 三、根据要求完成句子（用所给中文提示补全英文句子，每空一词） 1. 噪音是不悦耳的声音。 Noises are ______ sounds. 2. 持续或突然的大声噪音会对人的听力造成严重伤害。 Long-lasting or sudden loud noises can do great ______ to people's hearing. 3. 严重的听力问题会对人们的健康产生进一步的负面影响。 Serious hearing problems can have further ______ effects on people's health. 4. 垃圾分类对环境保护非常重要。 Waste ______ is very important for environmental protection. 5. 除了颜色之外，每个垃圾桶上还有标志和文字来帮助人们正确分类垃圾。 ______ colors, there are also signs and texts on each bin to help people sort waste correctly. 四、用括号内所给词的适当形式填空 1. Cars, machines, loudspeakers and many other things can produce ______ (noise). 2. Serious hearing problems can have further ______ (negative) effects on people's health. 3. Loud noises can cause hearing problems and other ______ (health) problems. 4. There are signs and texts on each bin to help people sort waste ______ (correct). 5. Communities often hold different activities ______ (teach) people how to sort the waste. 6. Factories have stopped ______ (pour) waste water into the river. 7. There are more and more ______ (fish) in the river now. 8. Besides colors, there are also signs and texts on each bin to help people sort waste ______ (correct). 五、阅读短文，在空白处填入一个适当的词或用括号内所给词的正确形式填空 Noises are unpleasant sounds. Cars, machines, loudspeakers (1) ______ many other things can produce noises. Long-lasting (2) ______ sudden loud noises can do great harm to people's hearing and cause hearing problems. (3) ______ (serious) hearing problems can have further negative effects on people's health and cause other health problems, (4) ______ high blood pressure and heart disease. Waste sorting is very important (5) ______ environmental protection. To sort the wastes, we put them (6) ______ bins of different colors. The blue bin is used for recycling paper and plastics, (7) ______ green one is for kitchen waste, the red one is for harmful or dangerous waste and the gray one is (8) ______ others. (9) ______ (sort) the waste is not easy. Communities often hold different activities to teach people how (10) ______ (sort) the waste correctly. 六、句子翻译（将下列英文句子翻译成中文） 1. A cause tells about why something happens, and an effect is what happens. ________________________________________________________________________ 2. Long-lasting or sudden loud noises can do great harm to people's hearing and cause hearing problems. ________________________________________________________________________ 3. Serious hearing problems can have further negative effects on people's health and cause other health problems. ________________________________________________________________________ 4. To sort the wastes, we put them into bins of different colors. ________________________________________________________________________ 5. Communities often hold different activities to teach people how to sort the waste, and sometimes you can see volunteers help people put the waste into the right bin. ________________________________________________________________________ 七、阅读理解（共3篇短文，每篇5个小题，每题仅有一个最佳选项） A. Noise Pollution Noise pollution is a serious environmental problem. Cars, machines, loudspeakers and many other things can produce noises. Long-lasting or sudden loud noises can do great harm to people's hearing and cause hearing problems. Serious hearing problems can have further negative effects on people's health and cause other health problems, like high blood pressure and heart disease. Noise pollution also affects animals. Whales and dolphins, which use sound to communicate, are harmed by underwater noise from ships and machines. Governments are working to reduce noise pollution by setting noise limits and building sound barriers along highways. ( )1. What can produce noises? A. Only cars. B. Cars, machines and loudspeakers. C. Only machines. D. Only loudspeakers. ( )2. What can loud noises cause? A. Only hearing problems. B. Hearing problems and other health problems. C. Only heart disease. D. Only high blood pressure. ( )3. How does noise pollution affect whales? A. It helps them communicate. B. It harms their ability to communicate. C. It makes them stronger. D. It does not affect them. ( )4. What are governments doing to reduce noise pollution? A. Nothing. B. Setting noise limits and building sound barriers. C. Encouraging more cars. D. Using more loudspeakers. ( )5. What is the main idea of the passage? A. Noise pollution only affects humans. B. Noise pollution has many causes and serious effects. C. Noise pollution is not a serious problem. D. Only governments can solve noise pollution. B. Waste Sorting Waste sorting is very important for environmental protection. To sort the wastes, we put them into bins of different colors. The blue bin is used for recycling paper and plastics, the green one is for kitchen waste, the red one is for harmful or dangerous waste and the gray one is for others. Sorting the waste is not easy. So, besides colors, there are also signs and texts on each bin to help people sort waste correctly. Communities often hold different activities to teach people how to sort the waste, and sometimes you can see volunteers help people put the waste into the right bin. By sorting waste correctly, we can reduce pollution and save resources. ( )6. What is the blue bin used for? A. Kitchen waste. B. Harmful waste. C. Recycling paper and plastics. D. Other waste. ( )7. What is the green bin used for? A. Kitchen waste. B. Harmful waste. C. Recycling paper and plastics. D. Other waste. ( )8. What is the red bin used for? A. Kitchen waste. B. Harmful or dangerous waste. C. Recycling paper and plastics. D. Other waste. ( )9. Why are there signs and texts on each bin? A. To make the bins look beautiful. B. To help people sort waste correctly. C. To show the name of the community. D. To advertise products. ( )10. What can we achieve by sorting waste correctly? A. Produce more waste. B. Reduce pollution and save resources. C. Create more garbage. D. Make the bins full. C. Cause and Effect in Daily Life Understanding cause and effect helps us make sense of the world. A cause is why something happens, and an effect is what happens. For example, factories have stopped pouring waste water into the river. This is a cause. The effect is that the river has turned clean again. As a result, there are more and more fish in the river. Another example: many things can produce loud noises. These noises can cause hearing problems. Hearing problems can lead to other health problems like high blood pressure. Understanding these relationships helps us solve problems and make better decisions in our daily lives. ( )11. What is a cause? A. What happens. B. Why something happens. C. The result. D. The effect. ( )12. What is an effect? A. What happens. B. Why something happens. C. The cause. D. The reason. ( )13. What happened after factories stopped pouring waste water into the river? A. The river became more polluted. B. The river turned clean again. C. The fish died. D. The water became dirty. ( )14. What can loud noises cause? A. Cleaner environment. B. Hearing problems and other health problems. C. Better health. D. More fish in the river. ( )15. What does understanding cause and effect help us do? A. Create more problems. B. Solve problems and make better decisions. C. Ignore environmental issues. D. Produce more noise. 八、完形填空（阅读下面的短文，从每题所给的A、B、C、D四个选项中选出最佳选项） Waste sorting is very important for environmental protection. To sort the wastes, we (1) ______ them into bins of different colors. The blue bin is (2) ______ for recycling paper and plastics, the green one is (3) ______ kitchen waste, the red one is for harmful or dangerous waste and the gray one is for others. (4) ______ the waste is not easy. So, besides colors, there are (5) ______ signs and texts on each bin to help people sort waste correctly. Communities often hold different activities to teach people (6) ______ to sort the waste, (7) ______ sometimes you can see volunteers help people put the waste (8) ______ the right bin. By sorting waste (9) ______, we can reduce pollution and save resources. Everyone should (10) ______ their part in protecting the environment. ( )1. A. put B. take C. bring D. get ( )2. A. made B. used C. found D. seen ( )3. A. with B. for C. from D. of ( )4. A. Sort B. Sorts C. Sorting D. Sorted ( )5. A. also B. too C. either D. neither ( )6. A. what B. when C. where D. how ( )7. A. but B. and C. or D. so ( )8. A. in B. on C. at D. into ( )9. A. correct B. correctly C. more correct D. most correct ( )10. A. do B. make C. take D. have 九、阅读还原（从 A-E 五个选项中选出五个填入短文空缺处，使短文完整流畅） Understanding Cause and Effect Understanding cause and effect is a very useful thinking skill. (1) ______ A cause is why something happens, and an effect is what happens. Let's look at some examples. (2) ______ The effect was that the river turned clean again. And as a result, there are more fish in the river now. Noise pollution is another example. (3) ______ These noises can cause hearing problems. Then hearing problems can lead to other health problems, like high blood pressure and heart disease. (4) ______ To sort waste correctly, we use different colored bins. This helps us reduce pollution and save resources. By understanding cause and effect, we can solve problems more effectively. (5) ______ A. Waste sorting also has a clear cause-and-effect relationship. B. It helps us understand why things happen. C. Factories stopped pouring waste water into the river. D. We can also make better decisions in our daily lives. E. Many things, like cars and machines, can produce loud noises. (1) ________ (2) ________ (3) ________ (4) ________ (5) ________ 参考答案 一、单词默写 1. loudspeaker 2. negative 3. blood 4. wastebin 5. bin 6. grey 7. besides 8. correctly 二、词组默写 1. cause-and-effect chain 2. produce noises 3. do harm to 4. hearing problems 5. high blood pressure 6. heart disease 7. waste sorting 8. kitchen waste 9. harmful waste 10. bins of different colors 三、完成句子 1. unpleasant 2. harm 3. negative 4. sorting 5. Besides 四、词形填空 1. noises 2. negative 3. health 4. correctly 5. to teach 6. pouring 7. fish 8. correctly 五、短文填空 1. and 2. or 3. Serious 4. like 5. for 6. into 7. the 8. for 9. Sorting 10. to sort 六、句子翻译 1. 原因解释的是为什么某件事发生，而结果是发生了什么事。 2. 持续或突然的大声噪音会对人的听力造成严重伤害并导致听力问题。 3. 严重的听力问题会对人们的健康产生进一步的负面影响并导致其他健康问题。 4. 为了分类垃圾，我们把它们放进不同颜色的垃圾桶里。 5. 社区经常举办各种活动来教人们如何分类垃圾，有时你还能看到志愿者帮助人们把垃圾放入正确的垃圾桶。 七、阅读理解 A篇：1. B 2. B 3. B 4. B 5. B B篇：6. C 7. A 8. B 9. B 10. B C篇：11. B 12. A 13. B 14. B 15. B 八、完形填空 1. A 2. B 3. B 4. C 5. A 6. D 7. B 8. D 9. B 10. A 九、阅读还原 1. B 2. C 3. E 4. A 5. D 学科网（北京）股份有限公司 $