Unit 4 The EarthSection 4 Extending and developing competencies 同步练习2026-2027学年沪教版七年级英语上册

**基本信息** 练习围绕“地球保护”主题，分层设计从词汇基础到语篇应用，梯度合理，助力语言能力与思维品质提升。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇转换与搭配|词形转换、短语互译，直接巩固单元重点词（如pollute→pollution）| |进阶层|语法结构与句式应用|句型转换、单句改错，通过句式变换与错误分析提升语言准确性| |综合层|主题语境语篇运用|语篇填空、补全对话，整合环保主题词汇与表达，强化语篇理解与交际能力|

沪教版（新教材）初中英语七年级上册 Unit 4 The Earth Section 4 Extending and developing competencies 同步练习 一、词形转换 1. pollute ________(n.污染) 2. natural ________(n.自然；自然界) 3. energy ________(adj.精力充沛的；有能量的) 4. waste ________(adj.浪费的；废弃的) 5. reuse ________(n.重新使用；再利用) 6. protect ________(n.保护) 7. harm ________(adj.有害的) 8. reduce ________(n.减少；降低) 9. recycle ________(n.回收利用) 10. act ________(n.行动；行为) 二、用所给词的适当形式填空 1. The river is full of ________(pollute) from the nearby factory. 2. We should respect and protect ________(natural) around us. 3. Eating fresh fruit can make you feel ________(energy) all day long. 4. It’s ________(waste) to throw away clean and usable plastic containers. 5. The ________(reuse) of old clothes helps save a great deal of resources. 6. The local government has taken many measures for the ________(protect) of wild birds. 7. Breathing in polluted air is ________(harm) to our respiratory system. 8. The ________(reduce) of single-use plastic is an important step for environmental protection. 9. Our class takes part in paper ________(recycle) activities every month. 10. Every small ________(act) can bring a positive change to the earth. 三、重点短语 1. 节约能源 ________________ 2. 减少浪费 ________________ 3. 保护环境 ________________ 4. 回收利用纸张 ________________ 5. 重复使用塑料袋 ________________ 6. 对……有害 ________________ 7. 停止污染河流 ________________ 8. 自然资源 ________________ 9. 采取行动 ________________ 10. 除此之外 ________________ 四、用所给短语的适当形式填空 save energy, reduce waste, protect the environment, recycle paper, reuse plastic bags, be harmful to, stop polluting rivers, natural resources, take action, besides 1. ________ is one of the simplest ways to help our planet. 2. We must learn to ________ to cut down unnecessary consumption. 3. It’s everyone’s responsibility to ________ every day. 4. Don’t throw away used textbooks; we can ________ to make new paper products. 5. Instead of buying new shopping bags, we can ________ when going to the supermarket. 6. Eating too much junk food ________ our health. 7. Local volunteers are trying their best to ________ to keep the water clean. 8. We should make good use of ________ like sunlight and wind. 9. ________ recycling waste, we can also plant more trees to improve air quality. 10. If we don’t ________ now, our earth will face serious environmental problems. 五、按要求完成句子 pollute, protect, waste, reduce, reuse, action 1. Factories ________ the river with chemical waste, and now no fish can live there. 2. We should ________ wild animals from being hunted illegally. 3. It’s ________ to leave the lights on when no one is in the room. 4. To improve air quality, we need to ________ the number of private cars on the road. 5. Old glass bottles can be ________ to make decorative vases. 6. Taking small ________ every day is key to protecting our environment. 六、句型转换 1. We should save energy to protect the earth.（对划线部分“save energy”提问） ________ ________ we do to protect the earth? 2. Plastic bags are harmful to the environment.（改为同义句） Plastic bags ________ ________ ________ the environment. 3. People have polluted the lake for many years.（改为否定句） People ________ ________ the lake for many years. 4. We can reuse old boxes to make storage bins.（改为被动语态） Old boxes ________ ________ ________ to make storage bins. 5. Have you ever taken part in an environmental volunteer activity?（作肯定回答） ________, ________ ________. 七、改错（每句一处错误，划出并改正） 1. It’s waste to throw away food that is still fresh and edible. ______________________________________________________________________ 2. We should stop pollute the oceans with plastic bottles and other rubbish. ______________________________________________________________________ 3. The teacher tells us that protect the earth is everyone’s duty. ______________________________________________________________________ 4. Drinking polluted water are bad for our stomach and overall health. ______________________________________________________________________ 5. Besides recycle paper, we can also turn off lights when leaving a room. ______________________________________________________________________ 八、重点句子翻译 1. 节约能源对保护环境至关重要。 ______________________________________________________________________ 2. 我们应该重复使用塑料袋，而不是把它们扔掉。 ______________________________________________________________________ 3. 污染已经对许多野生动物造成了伤害。 ______________________________________________________________________ 4. 除此之外，我们还应该种植更多树木来净化空气。 ______________________________________________________________________ 5. 为了保护地球，我们必须采取行动减少浪费。 ______________________________________________________________________ 6. 回收利用纸张有助于节省大量的树木资源。 ______________________________________________________________________ 九、语篇填空 阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。 pollute, protect, waste, reduce, reuse, action, natural, energy, harmful, besides, recycle, danger, earth, important, clean Nowadays, our 1. ________ is facing a lot of environmental challenges. The 2. ________ from factories and cars makes the air and water dirty, which is 3. ________ to all living things. We consume too much 4. ________ and produce tons of 5. ________ every day without thinking. To solve these problems, we need to take small but meaningful 6. ________ in daily life. We can 7. ________ plastic bags instead of buying new ones every time we shop. We should also 8. ________ paper and glass bottles. 9. ________, we must try to 10. ________ the amount of water and electricity we use. It’s very 11. ________ to guard our 12. ________ resources like fresh water and forests. If we don’t 13. ________ our earth right now, it will be in great 14. ________. Remember: every small effort can help keep our planet 15. ________ and healthy. 十、补全对话 根据下面的对话情景，在每个空白处填上一个恰当的句子，使对话的意思连贯、完整。 A: Do you know any environmental heroes? B: Environmental heroes? 1. ________________________? A: I’m talking about Wang Jicai, who protected a remote island for over 30 years. B: That sounds amazing! 2. ________________________? A: He started to guard the island in 1986 with his wife. B: Did they have an easy life there? A: No. 3. ________________________. They even didn’t have enough fresh water at first. B: What did they do to protect the island? A: They planted hundreds of trees and stopped people from polluting the surrounding sea. B: 4. ________________________? A: He received the “Touching China” award for his lifelong contributions. B: 5. ________________________. We should learn from him to protect our earth. 参考答案 一、词形转换 1. pollution 2. nature 3. energetic 4. wasteful 5. reuse 6. protection 7. harmful 8. reduction 9. recycling 10. action 二、用所给词的适当形式填空 1. pollution 2. nature 3. energetic 4. wasteful 5. reuse 6. protection 7. harmful 8. reduction 9. recycling 10. action 三、重点短语 1. save energy 2. reduce waste 3. protect the environment 4. recycle paper 5. reuse plastic bags 6. be harmful to 7. stop polluting rivers 8. natural resources 9. take action 10. besides 四、用所给短语的适当形式填空 1. Saving energy 2. reduce waste 3. protect the environment 4. recycle paper 5. reuse plastic bags 6. is harmful to 7. stop polluting rivers 8. natural resources 9. Besides 10. take action 五、按要求完成句子 1. polluted 2. protect 3. wasteful 4. reduce 5. reused 6. actions 六、句型转换 1. What should 2. do harm to 3. haven’t polluted 4. can be reused 5. Yes; I have 七、改错 1. waste → wasteful（It’s + adj. + to do sth.） 2. pollute → polluting（stop doing sth.） 3. protect → protecting（宾语从句中动名词作主语） 4. are → is（动名词短语作主语，谓语用单数） 5. recycle → recycling（besides为介词，后接动名词） 八、重点句子翻译 1. Saving energy is very important for protecting the environment. 2. We should reuse plastic bags instead of throwing them away. 3. Pollution has done harm to many wild animals. 4. Besides, we should also plant more trees to clean the air. 5. To protect the earth, we must take action to reduce waste. 6. Recycling paper can help save a lot of tree resources. 九、语篇填空 1. earth 2. pollution 3. harmful 4. energy 5. waste 6. actions 7. reuse 8. recycle 9. Besides 10. reduce 11. important 12. natural 13. protect 14. danger 15. clean 十、补全对话（参考合理答案） 1. Who are you talking about? 2. When did he start to guard the island? 3. They faced many difficulties. 4. What prize did he get? 5. He is truly a great hero. 学科网（北京）股份有限公司 $