Unit 7 When tomorrow comes Section B（2a-3c）课后作业 2025-2026学年人教版八年级英语上册

Unit 7 When tomorrow comes! Section B（2a-3c）课后作业 一、语音辨别（5分） 找出每组单词中划线部分发音不同的一项。 ( )1. A. planet B. space C. travel D. accident ( )2. A. so B. know C. possible D. sold ( )3. A. holiday B. pollution C. population D. problem ( )4. A. earth B. heard C. heart D. learn ( )5. A. fall B. salt C. almost D. walk 二、根据句意及首字母补全单词（10分） 1. The earth is a p_______ that goes around the sun. 2. It's i_______ for people to fly to the moon without special equipment. 3. We should try our best to reduce air p_______ to protect the environment. 4. The world's p_____ is growing faster and faster, which causes many problems. 5. Humans can't live without w_______ or air. 6. I b_______ that we will find another planet to live on in the future. 7. We need to save e_______ by turning off the lights when leaving the room. 8. Some scientists are looking for life on other p_______. 9. It's d_______ to drive fast in rainy days. 10. The teacher asked us to write a r_______ about our future life. 三、单项选择（15分） 1. —What will you do next Sunday? —We _______ a picnic in the park. A. have B. had C. will have D. are having 2. It _______ possible that people will live on Mars in 100 years. A. is B. was C. will be D. are 3. —Will there be more trees in our city? —_______. Everyone should plant trees. A. I hope so B. No, there won't C. I don't think so D. That's all right 4. We should use less water _______ we can save more for future. A. so that B. because C. when D. if 5. _______ people drive cars, _______ pollution there will be. A. Fewer; less B. Less; fewer C. Fewer; fewer D. Less; less 6. I think _______ is important for us to protect the earth. A. This B. that C. it D. one 7. Scientists are trying _______ ways to solve the environmental problems. A. Find B. to find C. finding D. found 8. —How long will you stay in Beijing? —_______ about two weeks. A. At B. For C. In D. On 9. There _______ a sports meeting in our school next month. A. will have B. is going to have C. will be D. is 10. She predicts that humans _______ on other planets one day. A. live B. lived C. will live D. are living 11. It's too late. I _______ go home now. A. have to B. can C. may D. need 12. —Do you think robots will take the place of humans in the future? —_______. Robots are just tools for people. A. Yes, they will B. No, they won't C. I hope so D. I'm not sure 13. We should play a part in _______ the earth. A. save B. saves C. saving D. saved 14. The movie is _______ interesting _______ I want to watch it again. A. too; to B. so; that C. such; that D. enough; to 15. —What's your prediction about the future? —I think cities _______ be more crowded. A. won't B. will C. don't D. do 四、汉译英（10分） 1. 我认为将来会有更少的污染。 2. 人们将能够在太空度假。 3. 我们应该尽最大努力保护地球。 4. 未来机器人将帮助我们做更多的工作。 5. 十年后，我将成为一名科学家。 6. 地球上的资源是有限的。 7. 一些科学家相信人类将在火星上生活。 8. 我们应该参与到拯救地球的行动中来。 9. 未来的城市将会有更多的高楼大厦。 10. 人们将会活到150岁吗？ 五、语法填空（15分） 用括号内所给单词的适当形式填空。 1. I _______ (be) a doctor in 5 years. I want to help sick people. 2. They _______ (not have) classes tomorrow because it's Sunday. 3. _______ people _______ (use) money in 100 years? No, they _______. They _______ (use) credit cards. 4. There _______ (be) a big party in our classroom next Friday. 5. She _______ (predict) that the weather _______ (be) sunny tomorrow. 6. It's important for us _______ (learn) English well. 7. If we _______ (plant) more trees, the air _______ (be) fresher. 8. We should try _______ (not waste) water. 9. Scientists are trying to find other planets _______ (live) on. 10. _______ (hundred) of people come to the park every day. 六、阅读理解（20分） A What will the future be like? No one knows for sure. But scientists have made some predictions. First, the population of the world will be very large. There will be more than 9 billion people in the world by 2050. So we will need more food and water. Second, people will live longer. Thanks to better medical care, people will live to be 120 years old on average. Third, there will be less pollution. We will use more clean energy, like solar energy and wind energy. Cars will run on electricity. So the air will be much cleaner. Fourth, people will work fewer hours. Robots will do most of the hard work. People will have more free time to travel or pursue their hobbies. Fifth, people will live in space. There will be space stations and even space cities. People can go to space for vacation. Although these predictions sound amazing, we need to work hard to make them come true. 根据短文内容，选择最佳答案。 1. How many predictions does the passage mention? A. Three. B. Four. C. Five. D. Six. 2. What will the population be like by 2050? A. It will be less than 9 billion. B. It will be more than 9 billion. C. It will be 9 billion. D. It will be 12 billion. 3. Why will people live longer? A. Because they will eat better food. B. Because they will exercise more. C. Because they will have better medical care. D. Because they will live in space. 4. What kind of energy will we use more in the future? A. Coal. B. Oil. C. Gas. D. Solar energy. 5. Which of the following is NOT true according to the passage? A. Robots will do most of the hard work. B. People will have more free time. C. There will be more pollution. D. People can go to space for vacation. B We live on the earth. It is our home. But the earth is facing many problems now. First, pollution is a big problem. Air pollution, water pollution and land pollution are all very serious. People cut down too many trees and drive too many cars. Factories pour waste water into rivers. Second, there is a shortage of resources. We are using up too much oil, coal and gas. We don't have enough clean water for everyone. Third, the climate is changing. The earth is getting warmer and warmer. This causes many natural disasters, like floods and droughts. What can we do to save the earth? We can plant more trees. We can save water and electricity. We can use public transportation instead of driving cars. We can also recycle paper, plastic and glass. Everyone should play a part in saving the earth. It's our duty to protect our home. 根据短文内容，选择最佳答案。 6. What is the passage mainly about? A. The problems of the earth and how to save it. B. Pollution on the earth. C. The shortage of resources. D. Climate change. 7. How many problems of the earth are mentioned in the passage? A. Two. B. Three. C. Four. D. Five. 8. Which of the following is a resource shortage problem? A. Air pollution. B. Water pollution. C. Not enough clean water. D. Climate change. 9. What can we do to save the earth? A. Cut down more trees. B. Drive more cars. C. Use more plastic. D. Recycle paper. 10. What's our duty according to the passage? A. To live a happy life. B. To protect our home—the earth. C. To use more resources. D. To make more money. 七、任务型阅读（10分） 阅读短文，回答下列问题。 In the future, life will be very different. People will live in smart houses. These houses will control the temperature and lights automatically. People won't need to clean the houses because robots will do it for them. People will eat more healthy food. They will eat less meat and more fruit and vegetables. There will be no junk food because it is bad for people's health. People will travel in a new way. They will fly to work by small planes. These planes will be very safe and fast. People can also take spaceships to other planets for vacation. Children will study at home on computers. They won't need to go to school. Teachers will teach them online. Students can ask teachers questions at any time. 1. What will people live in in the future? 2. Why won't people need to clean the houses? 3. What kind of food will people eat more in the future? 4. How will people fly to work in the future? 5. Where will children study in the future? 参考答案 一、语音辨别 1. B 2. C 3. A 4. C 5. D 二、首字母补全单词 1. planet 2. impossible 3. pollution 4. population 5. water 6. believe 7. energy 8. planets 9. dangerous 10. report 三、单项选择 1. C 2. C 3. A 4. A 5. A 6. C 7. B 8. B 9. C 10. C 11. A 12. B 13. C 14. B 15. B 四、汉译英 1. I think there will be less pollution in the future. 2. People will be able to take vacations in space. 3. We should try our best to protect the earth. 4. Robots will help us do more work in the future. 5. In ten years, I will be a scientist. 6. The resources on the earth are limited. 7. Some scientists believe that humans will live on Mars. 8. We should play a part in saving the earth. 9. There will be more tall buildings in cities in the future. 10. Will people live to be 150 years old? 五、语法填空 1. will be 2. won't have 3. Will; use; won't; will use 4. will be 5. predicts; will be 6. to learn 7. plant; will be 8. not to waste 9. to live 10. Hundreds 六、阅读理解 A篇：1. C 2. B 3. C 4. D 5. C B篇：6. A 7. B 8. C 9. D 10. B 七、任务型阅读 1. People will live in smart houses. 2. Because robots will do the cleaning for them. 3. People will eat more fruit and vegetables. 4. People will fly to work by small planes. 5. Children will study at home on computers. 学科网（北京）股份有限公司 $