Unit 7 The natural world 单元培优卷 -2026-2027学年译林版八年级英语上册

Unit 7 The natural world 单元培优卷 - 江苏8年级上学期英语【新译林版】（江苏专用） 第一部分 完形填空 （共10小题；每小题1分，满分10分） 请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。 To treat kindly the earth is to treat kindly oneself. The natural world is full of different ecosystems. Let's learn about some of them. Rainforests cover about 6% of the earth's land area. They are home to half of the world's animals and plants. Rainforests take in carbon dioxide from the air and __1__ oxygen. They are called the "lungs" of the earth. They help keep the planet __2__. Wetlands lie between deserts and forests. They get rid of pollution and make the water clean. They also help __3__ floods. Wetlands store water like giant sponges. They act like the "kidneys" of the earth. Yancheng Nature Reserve is one of the world's most important wetlands. It is in the north-east of China. It covers an area of about 45,000 hectares. It is home to many birds, including the red-crowned crane. The reserve is a perfect place for wildlife. However, some people have more space for farms and buildings. This __4__ to less space for wildlife. The government has made laws to __5__ all these things. The ocean covers around 71% of the earth's surface. It is the largest ecosystem of the three. It __6__ plenty of salt water. Water rises to the sky, falls onto the lands and returns to the ocean. It is a cycle that goes on and on. The ocean supports millions of plants and animals. It plays an important role in slowing down climate __7__. However, the ocean is facing a serious problem with pollution. Millions of tons of plastic are in the ocean. It is very difficult to __8__. It's time for us to take action. What can we do to protect the earth? We should use environment-friendly products. We should not throw rubbish in the forest. We should take our own chopsticks when eating out. We should __9__ people to protect forests and oceans. It is also a good idea to join an environmental group and work as a __10__. If we take action, we can make our world a better place. 1．A．produce B．take C．need D．use 2．A．healthy B．dirty C．dry D．cold 3．A．cause B．prevent C．lead D．bring 4．A．leads B．happens C．returns D．belongs 5．A．keep B．stop C．make D．let 6．A．holds B．needs C．loses D．finds 7．A．change B．problem C．reason D．example 8．A．solve B．make C．take D．cause 9．A．encourage B．make C．let D．have 10．A．volunteer B．teacher C．doctor D．driver 第二部分阅读理解（共15小题；每小题2分，满分30分） 请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。并在答题卡上将该项涂黑。 A Welcome to Earth Protection Club! Do you love nature? Do you want to protect the earth? Come to Earth Protection Club! We have activities every week. Time: 4:00 p.m. - 5:30 p.m. (Every Saturday) Place: Room 401, School Science Building Activities: ♡Learn about different ecosystems. ♡Watch videos about rainforests, wetlands and oceans. ♡Share your ideas on how to protect the earth. ♡Listen to a talk by an environmental expert. Please note: ♡The club is free for all students. ♡You need to sign up before Friday. ♡Please bring a notebook and a pen. For more information, please call 678890 or visit www.earthprotection.com. 11．When can you go to Earth Protection Club? A．At 4:00 p.m. on Friday. B．At 5:30 p.m. on Saturday. C．At 4:00 p.m. on Saturday. D．At 5:30 p.m. on Friday. 12．What can you do at Earth Protection Club? A．Learn about different ecosystems. B．Play football. C．Watch a movie. D．Do your homework. 13．What is the main purpose of the passage? A．To introduce a club. B．To sell books. C．To tell a story. D．To report a survey. B Do you know why wetlands are important? Let me tell you something about them. Wetlands lie between deserts and forests. They are home to many plants and animals. Wetlands get rid of pollution and make the water clean. They also help prevent floods. They store water like giant sponges. They act like the "kidneys" of the earth. Yancheng Nature Reserve is one of the world's most important wetlands. It is in the north-east of China. It covers an area of about 45,000 hectares. It is home to many birds, including the red-crowned crane. The reserve is a perfect place for wildlife. However, wetlands are facing problems. Some people want to have more space for farms and buildings. This leads to less space for wildlife. The government has made laws to stop all these things. It also encourages people to protect wetlands. What can we do to protect wetlands? We should not throw rubbish in them. We should not keep fishing. We should tell others about the importance of protecting wetlands. Would you like to help protect wetlands? 14．Where do wetlands lie according to the passage? A．Between deserts and forests. B．In the ocean. C．On the mountains. D．In the sky. 15．What does the underlined word "prevent" mean in Chinese? A．阻止 B．导致 C．增加 D．接受 16．What is the main idea of Paragraph 4? A．Wetlands are facing problems. B．Wetlands are important. C．Wetlands are beautiful. D．Wetlands are in China. 17．What can we infer from the passage? A．We should protect wetlands. B．Wetlands are not important. C．There are no problems for wetlands. D．The government does nothing to protect wetlands. C Do you know what the ocean is like? The ocean covers around 71% of the earth's surface. It is the largest ecosystem of the three. The ocean holds plenty of salt water. Water rises to the sky, falls onto the lands and returns to the ocean. It is a cycle that goes on and on. The ocean supports millions of plants and animals. It plays an important role in slowing down climate change. However, the ocean is facing a serious problem with pollution. Millions of tons of plastic are in the ocean. Wastewater from factories and homes also goes into the ocean. This harms or even kills sea life. It is very difficult to solve this problem. What can we do to protect the ocean? We should clean up the beach. We should use environment-friendly products. We should tell people how to protect the ocean. It is also a good idea to join an environmental group and work as a volunteer. It is time for us to take action. Would you like to help protect the ocean? 18．How much of the earth's surface does the ocean cover? A．About 71%. B．About 6%. C．About 45%. D．About 90%. 19．What is the main idea of Paragraph 3? A．The ocean is facing a serious problem with pollution. B．The ocean is beautiful. C．The ocean is not important. D．The ocean is in China. 20．What can we do to protect the ocean according to the passage? A．Clean up the beach. B．Throw rubbish into the ocean. C．Use more plastic. D．Kill sea life. 21．What is the best title for the passage? A．Protecting the Ocean B．How to Swim C．The History of the Ocean D．Why People Like Fish D Lily loved nature. She lived in a city near the sea. Every summer, she went to the beach with her family. One day, Lily saw a lot of plastic on the beach. She was very worried. She said to her mother, "The ocean is facing a serious problem with pollution. Millions of tons of plastic are in the ocean. This harms or even kills sea life." Lily's mother said, "You are right. It is time for us to take action." So Lily and her mother decided to clean up the beach. They picked up plastic bags, bottles and other rubbish. They worked for three hours. At last, the beach looked clean and beautiful. Lily also told her friends about the problem. She encouraged them to use environment-friendly products and not to throw rubbish into the ocean. Her friends all agreed with her. From this experience, Lily learned that everyone can make a difference. She also learned that it is meaningful to protect the ocean. She decided to join an environmental group and work as a volunteer. 22．Why was Lily worried? A．Because she saw a lot of plastic on the beach. B．Because she lost her bottle. C．Because she couldn't swim. D．Because her mother was angry. 23．What did Lily and her mother do? A．They cleaned up the beach. B．They went swimming. C．They watched a movie. D．They played football. 24．How long did they work? A．Three hours. B．Two hours. C．One hour. D．Four hours. 25．What did Lily learn from the experience? A．Everyone can make a difference. B．The ocean is not important. C．We should throw rubbish into the ocean. D．We should not protect the ocean. 第三部分 信息还原（共5小题：每小题1分，满分5分） 请认真阅读下面短文，从短文后的选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。选项中有两项为多余选项。 The earth is our home. __26__ Here are some tips for you. First, learn about different ecosystems. __27__ Rainforests, wetlands and oceans are all important ecosystems. Next, protect the forests. __28__ We should not throw rubbish in the forest. Then, protect the ocean. __29__ We should use environment-friendly products. Finally, take action and tell others. __30__ If we work together, we can make our world a better place. A．Do you know how to protect the earth B．We should clean up the beach C．We should take our own chopsticks when eating out D．The earth is in danger E．We should encourage people to protect the earth F．We should not protect the earth G．We should stay at home all the time 第四部分 词汇运用（共13小题；每小题1分，满分13分） 第一节根据下列句子所给汉语注释或首字母，在答题卡标有题号的横线上，写出空缺处各单词的正确形式，每空限填一词。 31．Rainforests take in carbon dioxide and (产生) oxygen. 32．Wetlands help (阻止) floods. 33．The ocean (容纳) plenty of salt water. 34．The government has made laws to (阻止) all these things. 35．Wetlands act like the "kidneys" of the earth. They help keep the (平衡). 36．The ocean plays an important role in slowing down (气候) change. 37．We should use environment-friendly (产品). 38．It is (有意义的) to protect the ocean. 第二节请认真阅读下面短文，从方框中选择适当的单词或短语，在答题卡标有题号的横线上、填入其正确形式。每个单词或短语仅用一次。 ecosystem prevent cause solve volunteer My name is Peter. I love nature. Let me tell you something about the earth. The earth has many different __39__. Rainforests, wetlands and oceans are all important ones. Wetlands help __40__ floods. They also make the water clean. They act like the "kidneys" of the earth. However, wetlands are facing problems. Some people want to have more space for farms and buildings. This __41__ to less space for wildlife. The ocean is also facing problems. Millions of tons of plastic are in the ocean. It is very difficult to __42__ this problem. What can we do? We should encourage people to protect the earth. We can also work as a __43__ to help clean up the beach. 第五部分 短文填空（共10小题；每小题1分，满分10分） 请认真阅读下面短文，在答题卡标有题号的横线上，填入适当的单词或括号内单词的正确形式。 Hello, everyone! I'm a rainforest. I'm one of the most important ecosystems on the earth. You can find me in many places of the world, but I am not the same everywhere. I'm not like my cousins—deserts and grasslands. I am more lively. People all over the world like __44__ (learn) about me, especially scientists. They can study me after __45__ (enter) my area. They can also learn about me __46__ watching videos. Sometimes they come to visit me. Almost everyone __47__ (know) me because I am called the "lungs" of the earth. I can also help people become __48__ (healthy). I take in carbon dioxide and produce oxygen. I have many plants and animals, and they are good __49__ the earth. I really wish to make you happy, so don't forget to protect me as often as possible. But I also need your love. If you want to make me __50__ (live) longer, you must stop cutting down my trees. Thank you for your love. I'll try to be __51__ (green) and become stronger. Then you will like to enjoy me a lot __52__ (much). You can also plant more trees and tell your friends to protect me. When you come to visit me, please do not leave any rubbish behind. If we work together, I will stay healthy and beautiful for __53__(come) years . 第六部分 阅读表达（共3小题；54题2分，55题2分，56题3分，满分7分） 请认真阅读下面短文，用英语回答短文后的问题，并将答案写在答题卡标有题号的横线上。 Do you know why the earth is important? The earth is our home. It has many different ecosystems. Rainforests, wetlands and oceans are all important ones. Rainforests cover about 6% of the earth's land area. They take in carbon dioxide and produce oxygen. They are called the "lungs" of the earth. Wetlands lie between deserts and forests. They get rid of pollution and help prevent floods. They are called the "kidneys" of the earth. The ocean covers around 71% of the earth's surface. It is the largest ecosystem of the three. It plays an important role in slowing down climate change. However, the earth is facing problems. The ocean is facing a serious problem with pollution. Millions of tons of plastic are in the ocean. It is very difficult to solve this problem. What can we do to protect the earth? We should use environment-friendly products. We should not throw rubbish in the forest. We should take our own chopsticks when eating out. We should encourage people to protect the earth. Would you like to help protect the earth? 54．Why are rainforests called the "lungs" of the earth? ______________________________________________________________________________ 55．What problems is the earth facing? ______________________________________________________________________________ 56．What can you do to protect the earth? Why? ______________________________________________________________________________ 第七部分 书面表达（共1题；满分25分） 57．假如你是李华，你的笔友Tom想了解如何保护地球。请你根据以下提示给他写一封信，介绍地球面临的问题，并说明我们可以如何保护地球。 提示：problems + ways to protect + call to action = a better earth 要求：1.信件应包含以上提示信息，可适当发挥。 2.语言表达要准确，语句通顺、连贯。 3.词数不少于80。信件的开头和结尾已给出，不计入总词数。 Dear Tom, ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Yours, Li Hua 参考答案 第一部分 完形填空 1．A 2．A 3．B 4．A 5．B 6．A 7．A 8．A 9．A 10．A 第二部分 阅读理解 11．C 12．A 13．A 14．A 15．A 16．A 17．A 18．A 19．A 20．A 21．A 22．A 23．A 24．A 25．A 第三部分 信息还原 26．A 27．D 28．C 29．B 30．E 第四部分 词汇运用 31．produce 32．prevent 33．holds 34．stop 35．balance 36．climate 37．products 38．meaningful 39．ecosystems 40．prevent 41．leads 42．solve 43．volunteer 第五部分 短文填空 44．learning 45．entering 46．by 47．knows 48．healthier 49．for 50．live 51．greener 52．more 53. coming 第六部分 阅读表达 54．Because they take in carbon dioxide and produce oxygen. 55．The ocean is facing a serious problem with pollution. Millions of tons of plastic are in the ocean. 56．I can use environment-friendly products and take my own chopsticks when eating out. I can also encourage people around me to protect the earth. Because the earth is our home and it is our duty to protect it. 第七部分 书面表达 One possible version: Dear Tom, How is it going? I'm writing to tell you about how to protect the earth. The earth is facing many problems. The ocean is facing a serious problem with pollution. Millions of tons of plastic are in the ocean. This harms or even kills sea life. Wetlands are also facing problems. Some people want to have more space for farms and buildings. This leads to less space for wildlife. What can we do to protect the earth? First, we should use environment-friendly products. Second, we should not throw rubbish in the forest. Third, we should take our own chopsticks when eating out. Fourth, we should clean up the beach. Finally, we should encourage people to protect the earth. It is also a good idea to join an environmental group and work as a volunteer. It is time for us to take action. If we work together, we can make our world a better place. What about you? What do you think we should do? Please write back and tell me. Yours, Li Hua 学科网（北京）股份有限公司 $