Unit 13 We are trying to save the earth 单元检测题（B 卷）2025-2026学年人教版（2012）英语九年级全册

Unit 13 We are trying to save the earth 单元检测题（B 卷）人教版九年级英语全册 （满分：100 分 考试时间：90 分钟） 一、用括号内所给单词的适当形式填空（每小题 1 分，共 10 分） 1.Marine animals ______ (harm) by plastic waste every year, so we must reduce plastic use. 2.Our school has decided ______ (organize) a "Green Campus" campaign next month. 3.By reusing textbooks, we can ______ (save) a lot of paper and protect trees. 4.The old building ______ (turn) into a community garden to improve the living environment. 5.He ______ (not take) part in environmental activities before, so he is excited about the coming tree-planting day. 6.Using public transportation ______ (help) cut down carbon emissions effectively. 7.The students are trying their best ______ (reduce) food waste in the school cafeteria. 8.It's necessary for us ______ (learn) about environmental protection from a young age. 9.By the time we finish this project, we ______ (collect) more than 5,000 recyclable items. 10.The polluted sea water makes it difficult for sea creatures ______ (survive). 二、单项选择（每小题 1 分，共 15 分） 1.—What should we do to stop ocean pollution? —We must prevent factories from ______ waste water into the sea. A. pour B. pouring C. to pour D. poured 2.Many rare sea birds ______ because of the increasing plastic pollution in the ocean. A. are dying out B. die out C. died out D. have died out 3.—How long ______ this environmental organization ______? —For over 10 years. It has done a lot to protect wildlife. A. has; founded B. did; found C. has; existed D. will; exist 4.We can ______ second-hand clothes through online platforms instead of throwing them away. A. put off B. give away C. take off D. turn off 5.The government ______ strict rules to limit air pollution in the past five years. A. has made B. made C. will make D. is making 6.—Why is it necessary to sort waste? —Because sorted waste ______ more easily and reused to save resources. A. can recycle B. can be recycled C. recycles D. is recycling 7.If we ______ more trees, the air quality in our city will be greatly improved. A. plant B. planted C. will plant D. are planting 8.—What ______ you ______ at 3 yesterday afternoon? —I ______ with my classmates to clean up the park. A. did; do; helped B. were; doing; was helping C. have; done; helped D. were; doing; helped 9.By the end of last year, more than 200 community gardens ______ in our city. A. built B. have been built C. had been built D. were built 10.The unexpected discovery of plastic in deep-sea areas ______ people about the seriousness of ocean pollution. A. warns B. warned C. has warned D. was warning 11.Before he moved to the countryside, he ______ in the city for 20 years and never cared about environmental issues. A. lived B. has lived C. had lived D. was living 12.When I visited the factory, I found that the waste ______ properly instead of being thrown away. A. treated B. was treated C. has been treated D. had been treated 13.—How long ______ your sister ______ reusable bottles instead of plastic ones? —For about two years. A. has; used B. did; use C. was; using D. had; used 14.By the end of next month, the new waste treatment plant ______ and put into use. A. completes B. has completed C. will complete D. will have been completed 15.We should avoid ______ products that are harmful to the environment, even if they are cheap. A. buy B. buying C. to buy D. bought 三、完形填空（每小题 1 分，共 10 分） Last summer, I participated in a marine protection project in a coastal town. The project aimed to clean up the beach and raise awareness of ocean pollution. I was nervous at first, as I had never done anything like this before, but it turned out to be a life-changing experience. On the first day, we arrived at the beach early in the morning. To my shock, the beach was covered with plastic bottles, fishing nets, and other garbage. We put on gloves and started to collect the waste. While we 1___, a local fisherman told us that many sea turtles in the area 2___ by plastic bags, which they mistook for jellyfish. His words made me realize how important our work was. We worked hard all morning. By noon, we 3___ three large bags of garbage. Although we were tired, we felt proud of what we had achieved. In the afternoon, we held a small exhibition on the beach. We showed photos of polluted oceans and explained how plastic harm marine life. Many tourists stopped to listen and promised 4___ less plastic. One little girl even asked her parents to buy her a reusable water bottle instead of bottled water. That moment 5___ me that everyone, no matter how young, can make a difference. Over the next few days, more and more local people joined our project. Some brought tools to help collect garbage, while others prepared drinks for the volunteers. A local restaurant even decided 6___ plastic straws and use paper ones instead. By the end of the project, the beach looked completely different—it was clean and beautiful again. We also 7___ hundreds of people about the importance of ocean protection. I learned a lot from this experience. Protecting the earth's oceans is not just the job of scientists or environmentalists, but of every person. Small changes in our daily lives, like using reusable products or picking up garbage, 8___ a big impact on the environment. Now, I always carry a reusable bag and a metal straw with me. I also encourage my friends and family to reduce plastic use. I believe that 9___ we all work together, we can protect our oceans and make the world a better place for future generations. This project not only cleaned up the beach but also 10___ my love for nature. I will continue to take part in environmental activities and do my best to save the earth. 1.A. worked B. were working C. have worked D. had worked 2.A. killed B. are killed C. were killed D. had been killed 3.A. collected B. have collected C. had collected D. were collecting 4.A. use B. to use C. using D. used 5.A. told B. tells C. has told D. was telling 6.A. stop using B. to stop using C. stopping using D. stopped using 7. A. educated B. have educated C. are educating D. were educating 8. A. have B. make C. take D. give 9.A. if B. though C. unless D. because 10. A. developed B. has developed C. develops D. was developing 四、阅读理解（每小题 2 分，共 20 分） A Fighting Ocean Pollution: A Teenager's Effort When 16-year-old Mia visited the beach with her family last year, she was shocked by the amount of plastic garbage on the sand. Fish and sea birds were trapped in plastic nets, and plastic bottles were everywhere. Mia decided to do something to stop ocean pollution. She started a campaign called "Clean Oceans, Bright Future". First, she created a website to share information about ocean pollution and ways to reduce plastic use. She also organized beach cleaning activities every weekend. At first, only a few of her friends joined her, but soon more and more people heard about the campaign and volunteered to help. Mia also talked to local businesses. She asked restaurants to stop using plastic straws and offered them paper or metal alternatives. Many restaurants agreed to her suggestion. She also encouraged supermarkets to use reusable bags instead of plastic ones. Over the past year, Mia's campaign has made a big difference. The local beach is now much cleaner, and more people have started to use reusable products. Mia's efforts have even been recognized by the local government, which awarded her a "Young Environmentalist" prize. Mia said, "I believe that everyone can contribute to protecting the oceans. Even small actions, like refusing plastic straws or picking up garbage, can make a difference. We must act now before it's too late." 1.What shocked Mia when she visited the beach? A. The beautiful scenery B. The amount of plastic garbage C. Trapped fish and sea birds D. The number of tourists 2.What did Mia do to start her campaign? A. She created a website B. She organized a beach party C. She talked to the government D. She gave speeches in schools 3.What did Mia ask local restaurants to do? A. Stop using paper bags B. Use plastic straws C. Offer reusable straws D. Donate money to her campaign 4.What result has Mia's campaign achieved? A. The beach is cleaner B. More plastic products are used C. Restaurants closed down D. The government stopped ocean pollution 5.What can we learn from Mia's story? A. Only teenagers can protect the environment B. Small actions can make a big difference C. Ocean pollution is not a serious problem D. Businesses don't care about the environment B Sustainable Living: A Family's Green Journey The Smith family used to live a wasteful life. They used plastic bags for shopping, threw away leftover food, and left lights on when they weren't at home. But after watching a documentary about climate change, they decided to change their lifestyle and live sustainably. First, they started to reduce waste. Mrs. Smith began to plan meals carefully to avoid food waste. She also started composting vegetable peels and fruit scraps to use as fertilizer for their garden. Mr. Smith replaced all the light bulbs with energy-saving ones and installed solar panels on the roof to generate electricity. The Smith children also joined in. They started to reuse old clothes by turning them into rags or donating them to charity. They also stopped buying bottled water and started using reusable water bottles. On weekends, the whole family would go to the community garden to plant vegetables and flowers. After a year of living sustainably, the Smith family noticed many changes. Their electricity bill was much lower, and their garden was full of fresh vegetables. They also felt happier and healthier, knowing that they were doing their part to protect the environment. Mr. Smith said, "Sustainable living is not difficult. It's just about making small changes to our daily habits. We don't have to give up everything we love, but we should be more mindful of our choices. Protecting the earth is a family responsibility." 1.What made the Smith family change their lifestyle? A. A TV show B. A documentary about climate change C. A neighbor's suggestion D. A school project 2.How did Mrs. Smith reduce food waste? A. She threw away leftover food B. She planned meals carefully C. She bought more food D. She gave food to animals 3.What did Mr. Smith do to save energy? A. He used more plastic products B. He installed solar panels C. He left lights on all day D. He bought new electrical appliances 4.What did the Smith children do to reuse old clothes? A. They threw them away B. They sold them online C. They turned them into rags or donated them D. They kept them in the closet 5.What benefit did the Smith family get from sustainable living? A. Higher electricity bills B. More waste C. Fresh vegetables from their garden D. Less family time 五、补全对话（有两项多余）（每小题 2 分，共 10 分） A: Hi, Emma! I saw you at the beach cleaning activity yesterday. You did a great job! B: Thank you, Tom! It was really meaningful. I'm glad I joined it. A: 1. ______ B: I joined because I'm worried about ocean pollution. Many marine animals are dying because of plastic waste. A: 2. ______ I want to do something to help too. What can I do? B: There are many things you can do. For example, you can use reusable water bottles instead of plastic ones. A: 3. ______ B: You can also refuse plastic straws and bring your own shopping bags. Oh, and you can join our next activity. A: 4. ______ B: We will clean up the riverbank next Saturday morning. Would you like to come? A: 5. ______ I'm free next Saturday. How can I sign up? B: Just send me a message. I'll add you to our group. A. What's your favorite activity? B. Why did you join the activity? C. That's a good idea. D. I completely agree with you. E. When and where will the next activity be? F. Yes, I'd love to. G. How many people joined the activity? 六、完成句子（每小题 2 分，共 10 分） 1.塑料瓶需要数百年才能分解，这对环境有害。(take...to do sth.) Plastic bottles ______ hundreds of years ______ ______, which is harmful to the environment. 2.我们应该鼓励更多人使用可再生能源。(encourage sb. to do sth.) We should ______ more people ______ ______ renewable energy. 3.到去年年底，这个城市已经建立了 10 个废物处理中心。(by the end of, set up) ______ ______ ______ last year, 10 waste treatment centers ______ ______ in this city. 4.如果我们不采取行动，更多的动物将在未来消失。(if 引导条件状语从句) ______ we ______ ______, more animals ______ ______ in the future. 5.校园里的垃圾被学生们分成了可回收和不可回收两类。(separate...into...) The garbage in the school ______ ______ ______ recyclable and non-recyclable by the students. 七、书面表达（15 分） 可持续生活方式已成为保护地球的重要方式。请以 "My Sustainable Living Habits" 为题，写一篇 80 词左右的短文，介绍你在日常生活中践行的可持续生活习惯，说明这些习惯如何保护环境，并表达你的感受。 要求： 1.语句通顺，语法正确，内容完整； 2.不少于 80 词； 3.文中不得出现真实的人名、校名等相关信息。 参考答案 一、用括号内所给单词的适当形式填空 1.are harmed 2. to organize 3. save 4. is being turned 5. hasn't taken 6.helps 7. to reduce 8. to learn 9. will have collected 10. to survive 二、单项选择 1-5 BACBA 6-10 BABCC 11-15 CDADB 三、完形填空 1.B 2. D 3. C 4. B 5. A 6. B 7. A 8. A 9. A 10. A 四、阅读理解 A 1-5 BACAB B 1-5 BBCCC 五、补全对话 1.B 2. D 3. C 4. E 5. F 六、完成句子 1.take; to decompose 2.encourage; to use 3.By the end of; had been set up 4.If; don't act; will disappear 5.is separated into 七、书面表达（范文） My Sustainable Living Habits To protect the earth, I have developed several sustainable living habits in daily life. First, I always carry a reusable bag when shopping and refuse plastic bags. I also use a metal straw instead of plastic ones to reduce waste. Second, I save energy by turning off lights and electrical appliances when I leave the room. Besides, I collect waste paper and plastic bottles at home and take them to the recycling station regularly. I also grow some small plants on the balcony to improve air quality. These habits are simple but effective. They help reduce pollution and save resources. I feel proud to do my part for the environment. I believe that if everyone lives sustainably, we can make the world a greener place. 1 学科网（北京）股份有限公司 $