Unit 8 Welcome同步练习 2025-2026学年译林版英语八年级下册

U8 Welcome同步练习 一、根据汉语或首字母提示写单词 1. The __________ (生物学的) research helps us better understand the balance of ecosystems. 2. This __________ (可重复使用的) water bottle can replace hundreds of plastic ones in a year. 3. Cars and factories burn a lot of __________ (燃料), which leads to air pollution. 4. We should plant more trees to prevent the s__________ from being washed away by rain. 5. If you don’t slow down, you’ll hit the t__________ of the stairs and get hurt. 6. The __________ (环境的) protection law has been strictly carried out in our city. 7. Too much light p__________ at night is harmful to our sleep and wildlife. 8. The factory is trying to produce new e__________ products to cut down pollution. 9. We should r__________ waste paper and plastic to save natural resources. 10. The d__________ of new energy cars is a key step to a greener world. 二、单项选择 1. —Too much plastic waste __________ serious harm to our oceans. —We must take action to reduce it right now. A. causes B. makes C. takes D. gets 2. —Could you help me __________ the old batteries into the recycling box? —Sure, I’ll do it right away. A. throw B. pour C. put D. push 3. —How __________ the street is! I can’t even hear myself talking. —The construction site next door is making too much __________. A. noisy; noise B. noise; noisy C. noisy; noisy D. noise; noise 4. —Walking to school is really good for our health. —__________. I walk to work every day and I feel much stronger. A. I disagree B. I agree C. I hope not D. I don’t think so 5. Using too much hot water __________ too much electricity, which is a waste of energy. A. uses B. wastes C. saves D. produces 三、用括号内所给单词的适当形式填空 1. We are trying to find ways to reduce air __________ (pollute) in big cities. 2. The latest __________ (produce) of this company is a solarpowered phone charger. 3. It is a great idea __________ (plant) a small garden on the balcony. 4. My parents hope that I __________ (become) a person who cares about the environment. 5. __________ (use) reusable bags instead of plastic ones is a simple way to go green. 6. The __________ (science) are doing experiments to find cleaner energy sources. 7. Too much light at night can __________ (harmful) our eyes and sleep quality. 8. We should encourage more people __________ (ride) bikes instead of driving cars. 9. The __________ (important) of protecting wetlands is taught in our school. 10. __________ (not throw) rubbish into the river, or it will pollute the water. 四、句型转换 1. I think we should use more public transport. (改为否定句) I __________ think we __________ use more public transport. 2. I will finish my homework on time. My teacher will praise me. (用if合并为一句) __________ I finish my homework on time, my teacher __________ praise me. 3. What about joining the school’s environmental club? (改为同义句) __________ __________ join the school’s environmental club? 4. You can share your ecofriendly tips with your friends after class. (改为同义句) You can __________ your ecofriendly tips __________ your friends after class. 5. We should turn off the lights when we leave the room. (改为祈使句) __________ __________ the lights when you leave the room. 6. The factory produces a lot of waste every day. (改为一般疑问句) __________ the factory __________ a lot of waste every day? 7. It takes me 30 minutes to walk to school every day. (对划线部分提问) __________ __________ does it take you to walk to school every day? 8. We can reduce plastic waste by using reusable bags. (对划线部分提问) __________ can we __________ plastic waste? 五、完形填空 Our earth is in trouble now. There are many kinds of ___1___, like air pollution, water pollution and noise pollution. People burn too much coal and oil, which makes the air dirty. Factories pour waste water into rivers, so the water is no longer ___2___. Too much noise from cars and machines also makes our life ___3___. To protect our home, we should do something. First, we can ___4___ more trees to make the air cleaner. Trees can take in harmful gases and give us fresh oxygen. Second, we should use ___5___ energy, like solar power and wind power, instead of fossil fuels. Third, we can try to reduce waste. For example, we can use reusable water bottles ___6___ plastic ones, and recycle paper and glass. Many students in our school have joined the environmental club. We hold activities every month, like cleaning up the park and giving talks about ___7___ protection. We also teach people how to save water and electricity in daily life. Some students even make posters to tell others the ___8___ of living a green life. We know that small changes can make a big difference. If everyone does their part, our world will become ___9___ and more beautiful. Let’s work together to build a ___10___ future for ourselves and the next generation. 1. A. problems B. questions C. troubles D. matters 2. A. dirty B. clean C. cold D. warm 3. A. comfortable B. unpleasant C. happy D. easy 4. A. cut B. plant C. burn D. sell 5. A. cheap B. expensive C. clean D. dirty 6. A. instead of B. because of C. thanks to D. according to 7. A. cultural B. environmental C. historical D. political 8. A. importance B. difficult C. interesting D. possible 9. A. dirtier B. greener C. colder D. warmer 10. A. hopeless B. harmful C. better D. worse 六、阅读理解 A green world is not only a beautiful place, but also a healthy one for all living things. To make our world greener, we can do many small things in our daily life. First, save energy. Turn off the lights and computers when you don’t use them. Use energysaving bulbs instead of traditional ones. Walk or ride a bike for short trips instead of taking a bus or driving a car. Second, reduce waste. Don’t throw away things that can be reused or recycled. For example, use both sides of the paper, and bring a reusable bag when you go shopping. Compost food waste to make fertilizer for plants. Third, protect wildlife. Don’t buy products made from endangered animals. Plant more flowers and trees to provide homes for birds and insects. If we all do these small things, we can make a big difference to our planet. 1. What is the main idea of the passage? A. How to save energy. B. How to reduce waste. C. How to make our world greener. D. How to protect wildlife. 2. Which of the following is NOT mentioned in the passage? A. Using reusable bags. B. Driving cars for short trips. C. Turning off lights when not in use. D. Planting more trees. 3. What does the underlined word “compost” mean in Chinese? A. 丢弃 B. 堆肥 C. 焚烧 D. 回收 4. Why should we plant more trees? A. To make the air cleaner. B. To provide homes for wildlife. C. Both A and B. D. Neither A nor B. 5. What can we learn from the passage? A. Small actions can’t change the world. B. We should only care about big things. C. Everyone can help protect the environment. D. It’s too late to save our planet. 参考答案 一、根据汉语或首字母提示写单词 1. biological 2. reusable 3. fuel 4. soil 5. top 6. environmental7. pollution8. ecofriendly/environmental9. recycle10. development 二、单项选择 1. A 2. C 3. A 4. B 5. B 三、用括号内所给单词的适当形式填空 1. pollution2. product3. to plant4. will become5. Using 6. scientists7. harm8. to ride9. importance10. Don’t throw 四、句型转换 1. don’t; should2. If; will3. Why not / Shall we4. share; with / tell; to5. Turn off 6. Does; produce7. How long8. How; reduce 五、完形填空 1. A 2. B 3. B 4. B 5. C 6. A 7. B 8. A 9. B 10. C 六、阅读理解 1. C 2. B 3. B 4. C 5. C 学科网（北京）股份有限公司 $