Unit 7 Global warming 同步练-2025-2026学年沪外教版英语（2024）七年级上册

Unit 7 Global warming 同步练 一、夯实基础 （一）重点单词 1. The ________ (全球的) temperature has risen a lot in recent years. 2. We must pay attention to the problem of ________ (变暖) around the world. 3. Carbon dioxide is one of the main ________ (温室) gases. 4. Factories often produce harmful ________ (气体) that pollute the air. 5. The ________ (污染) from cars is bad for both the environment and health. 6. It's important for us to ________ (回收) paper and plastic in daily life. 7. We should learn to ________ (节约) water and electricity at home. 8. The ice in the North Pole is ________ (融化) because of high temperatures. 9. Global warming is a great ________ (威胁) to many animals. 10. There are more ________ (极端的) weather events like floods and droughts now. 11. Using ________ (可再生的) energy can help reduce greenhouse gas emissions. 12. We need to ________ (减少) the use of plastic bags to protect the earth. 13. Trees can ________ (吸收) carbon dioxide and purify the air. 14. The rising sea ________ (水平) may cover some low-lying areas. 15. ________ (北极熊) are losing their homes due to melting ice. （二）重点短语 1. The ________ (温室效应) makes the Earth's temperature keep rising. 2. We should take ________ (采取行动) to stop global warming as soon as possible. 3. Solar and wind power are kinds of ________ (可再生能源). 4. Heatwaves and heavy rains are examples of ________ (极端天气). 5. Everyone has a duty to ________ (节约资源) in daily life. 6. Factories are trying their best to ________ (减少污染) to meet environmental standards. 7. It's a good habit to ________ (回收废物) instead of throwing it away. 8. My family bought some ________ (节能电器) to save electricity. 9. More and more people choose to ________ (过低碳生活) to protect the environment. 10. We should ________ (减少气体排放) from cars by taking public transport. 11. ________ (世界环境日) is a special day to call for environmental protection. 12. Remember to ________ (垃圾分类) before putting it into the bin. 13. We can ________ (循环使用可利用的资源) to avoid waste. 14. Planting trees helps to ________ (净化空气) in our city. 15. We should ________ (避免资源浪费) in our daily activities. （三）重点句子 1. ________ (全球变暖正在改变我们的世界) and affecting our lives. 2. ________ (温室气体主要来自燃烧煤、石油和天然气) for energy. 3. ________ (冰川融化导致海平面上升) and endangers coastal areas. 4. ________ (我们应该尽自己的一份力来保护环境) for future generations. 5. ________ (种树有助于吸收二氧化碳) and fight against global warming. 6. ________ (低碳生活已经成为一种时尚) around the world. 7. ________ (节约能源和重复使用是关键) to reduce carbon footprint. 8. ________ (即使是最简单的日常活动也能使我们的生活低碳化). 9. ________ (可供人们使用的干净水越来越少) because of pollution. 10. ________ (我们做的每件小事都能带来一个更美好的世界). 二、素养稳提升 （一）词汇运用 1. The ________ (pollute) from the factory has made the river dirty. 2. We should take ________ (act) right now to protect our planet. 3. ________ (plant) trees is a good way to improve the environment. 4. It's ________ (importance) for everyone to learn about global warming. 5. The ________ (hot) of the sun makes the ice in the mountains melt quickly. 6. G________ warming has become a serious problem worldwide. 7. We need to r________ the use of disposable chopsticks to save wood. 8. The ice is m________ because of the increasing temperature. 9. Everyone should try to s________ energy in daily life. 10. P________ bears are in danger because their living places are disappearing. （二）单项选择 1. If we ________ more trees, the air ________ fresher. A. plant; will be B. will plant; is C. plant; is D. will plant; will be 2. We ________ protect the environment for our future and next generations. A. can B. must C. may D. might 3. The sea level ________ for the past ten years. A. rises B. rose C. has risen D. will rise 4. —________ we go for a walk instead of driving to the park? —Good idea. It's good for the environment. A. Shall B. Must C. Need D. Would 5. Trees ________ carbon dioxide and produce oxygen, so we should plant more. A. absorb B. absorbs C. absorbed D. will absorb 6. More and more people begin to live a low-carbon life ________ reduce greenhouse gases. A. so that B. in order to C. because D. because of 7. The government ________ introduce policies to limit gas emissions soon. A. should B. would C. might D. could 8. —Why are polar bears in danger? —Because the ice they live on ________ away. A. melt B. melts C. is melting D. will melt 9. Renewable energy ________ wind and solar power is good for the earth. A. such as B. for example C. because of D. as for 10. We have ________ clean water than before because of pollution. A. few B. fewer C. little D. less （三）句型转换 1. Global warming is very serious. (改为感叹句) ________ ________ global warming is! 2. We should save energy every day. (改为一般疑问句) ________ we ________ energy every day? 3. Factories produce a lot of greenhouse gases. (改为被动语态) A lot of greenhouse gases ________ ________ by factories. 4. Trees can absorb carbon dioxide. It is good for the environment. (合并为一句) Trees can absorb carbon dioxide, ________ ________ good for the environment. 5. People use plastic bags widely. It causes pollution. (合并为定语从句) Plastic bags ________ people use widely ________ pollution. 答案 一、夯实基础 （一）重点单词 1. global 2. warming 3. greenhouse 4. gas 5. pollution 6. recycle 7. save 8. melting 9. threat 10. extreme 11. renewable 12. reduce 13. absorb 14. level 15. Polar （二）重点短语 1. greenhouse effect 2. action 3. renewable energy 4. extreme weather 5. save resources 6. reduce pollution 7. recycle waste 8. energy-saving appliances 9. live a low-carbon life 10. reduce gas emissions 11. World Environment Day 12. sort the rubbish 13. recycle the available resources 14. purify the air 15. avoid the waste of resources （三）重点句子 1. Global warming is changing our world 2. Greenhouse gases mainly come from burning coal, oil and gas 3. The melting of glaciers causes sea levels to rise 4. We should do our part to protect the environment 5. Planting trees helps to absorb carbon dioxide 6. The low-carbon lifestyle has become a fashion 7. Saving energy and reusing are the key words 8. Even the simplest everyday activities can make our lives low-carbon 9. There is less and less clean water for people to use 10. Every little bit we do will bring a better world 二、素养稳提升 （一）词汇运用 1. pollution 2. action 3. Planting 4. important 5. heat 6. Global 7. reduce 8. melting 9. save 10. Polar （二）单项选择 1. A 2. B 3. C 4. A 5. A 6. B 7. A 8. C 9. A 10. D （三）句型转换 1. How serious 2. Should; save 3. are produced 4. which is 5. that/which; cause 学科网（北京）股份有限公司 $