Unit 7 The Natural World单元同步练习2025-2026学年译林版（2024）英语八年级上册

2025年秋译林版八年级英语上册Unit 7 The Natural World单元同步练习 一、词汇运用 A. 用所给单词的适当形式填空 1. Playing computer games too much will be ______ (harm) to your eyes. 2. We should take action to protect the ______ (wildlife). 3. The ______ (noise) from the factory is very loud. 4. These ______ (create) works show the artist's talent. 5. The government has made laws to prevent people from ______ (kill) wild animals. B. 根据首字母或汉语提示写单词 6. An e______ includes all the living and non - living things in an area. 7. The p______ lives in the cold polar region. 8. The climate in deserts is very dry, and there is little r______. 9. Wetlands can help ______ (过滤) waste and keep water clean. 10. The Amazon rainforest is home to ______ (无数的) plants and animals. 二、单项选择 1. The ocean covers about 71% of the earth's surface and ______ about 70% of the earth's oxygen. A. produces B. makes C. gives D. takes 2. The climate in deserts is ______ awful ______ only a few animals and plants can live there. A. too; to B. so; that C. such; that D. enough; to 3. Wetlands are important because they can ______ floods. A. cause B. prevent C. lead D. create 4. Many wild animals are in danger ______ losing their living areas. A. because B. because of C. so D. so that 5. The forest ecosystem can help ______ the balance of nature. A. keep B. hold C. take D. make 6. Coral reefs are home to ______ sea animals. A. quite a few B. quite a little C. a little D. little 7. The deep ocean isn't warm, bright ______ noisy. A. and B. or C. but D. so 8. We should plant more trees to ______ the air clean. A. get B. have C. keep D. let 9. The natural world provides us ______ food, water and air. A. for B. with C. to D. of 10. It's our duty to ______ the natural world. A. protect B. prevent C. pollute D. produce 11. The Amazon rainforest is the largest rainforest in the world and it's ______ millions of plants and animals. A. family B. home C. house D. room 12. ______ is bad for the environment when people cut down too many trees. A. This B. That C. It D. Which 13. The main threats to oceans include plastic pollution and ______ change. A. weather B. climate C. season D. temperature 14. The government has ______ nature reserves to protect wildlife. A. set up B. put up C. get up D. look up 15. We should save energy in daily life, like ______ off the lights when we leave the room. A. turn B. turning C. to turn D. turned 三、完形填空 The natural world is full of amazing ecosystems. Each ecosystem 1 ______ a special role in the balance of nature. The rainforest is one of the most important ecosystems. It is home to 2 ______ of plants and animals. The tall trees in the rainforest 3 ______ a thick canopy (树冠层). This canopy blocks out a lot of sunlight, so the ground in the rainforest is often 4 ______ and damp (潮湿的). Many animals in the rainforest live in the trees. Monkeys 5 ______ from branch to branch, and birds build their nests in the trees. The ocean is another important ecosystem. It 6______ around 71% of the earth's surface. The ocean is like the "heart" of the earth. It holds plenty of salt water, and the water 7 ______ to the sky, falls onto the land and then returns to the ocean. This cycle goes on and on. However, the natural world is 8 ______ serious threats. Deforestation, pollution and over - hunting are destroying habitats and 9______ many species. If we don't act, we will lose the beauty and benefits that nature offers. We should take action to protect the natural world. We can plant more trees, reduce pollution and support wildlife conservation organizations. Let's work together to 10______ a sustainable (可持续的) future for both humans and nature. ( ) 1. A. plays B. makes C. takes D. gives ( ) 2. A. millions B. million C. a million D. two millions ( ) 3. A. form B. give C. hold D. have ( ) 4. A. light B. dark C. bright D. clear ( ) 5. A. walk B. run C. swing D. jump ( ) 6. A. covers B. takes C. makes D. holds ( ) 7. A. rises B. raises C. goes D. comes ( ) 8. A. facing B. seeing C. looking D. watching ( ) 9. A. endangering B. protecting C. helping D. saving ( ) 10. A. create B. make C. build D. get 四、阅读理解 A The Amazon rainforest is the largest rainforest in the world. It covers an area of about 5.5 million square kilometers. It is also home to millions of plants and animals. The Amazon rainforest is very important for the earth. It helps to keep the climate stable. The trees in the rainforest absorb carbon dioxide from the air and release oxygen. This is very important for all living things on the earth. However, the Amazon rainforest is facing many problems. People are cutting down trees for wood and to make space for farms and cities. This is destroying the homes of many animals and plants. If we don't take action to protect the Amazon rainforest, many species may disappear forever. ( ) 1. How large is the Amazon rainforest? A. It covers an area of about 5.5 million square kilometers. B. It covers an area of about 55 million square kilometers. C. It covers an area of about 550,000 square kilometers. D. It covers an area of about 550,000,000 square kilometers. ( ) 2. Why is the Amazon rainforest important for the earth? A. Because it is home to millions of plants and animals. B. Because it helps to keep the climate stable. C. Because it provides us with wood. D. Because it provides us with space for farms and cities. ( ) 3. What are people doing to the Amazon rainforest? A. They are planting more trees. B. They are protecting the animals and plants. C. They are cutting down trees. D. They are building more houses. ( ) 4. What will happen if we don't protect the Amazon rainforest? A. The climate will be more stable. B. More plants and animals will live there. C. Many species may disappear forever. D. The rainforest will become larger. ( ) 5. What's the best title for this passage? A. The Amazon Rainforest B. The Importance of the Amazon Rainforest C. The Problems of the Amazon Rainforest D. Protect the Amazon Rainforest B Coral reefs are home to many kinds of sea animals. They are very beautiful. Coral reefs look like colorful rocks, but corals are actually living things. The Great Barrier Reef in Australia is the largest coral reef system on earth. You can even see it from space! However, coral reefs are facing serious problems. The biggest problem is ocean pollution. The ocean water from houses and factories travels to the ocean and pollutes it. Another problem is climate change. The temperature of the ocean water is rising, and this is harming the corals. ( ) 1. What are coral reefs home to? A. Many kinds of land animals. B. Many kinds of sea animals. C. Many kinds of plants. D. Many kinds of birds. ( ) 2. What do coral reefs look like? A. They look like colorful plants. B. They look like colorful animals. C. They look like colorful rocks. D. They look like colorful fish. ( ) 3. Where is the largest coral reef system on earth? A. In China. B. In America. C. In Australia. D. In Japan. ( ) 4. What's the biggest problem for coral reefs? A. Ocean pollution. B. Climate change. C. Over - fishing. D. Cutting down trees. ( ) 5. What's the main idea of this passage? A. Coral reefs are beautiful. B. The Great Barrier Reef is the largest coral reef system. C. Coral reefs are facing serious problems. D. We should protect coral reefs. C七选五 根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 The natural world is full of different ecosystems. Each ecosystem has its own features and importance. The forest ecosystem is very important. 1 ______ They also provide habitats for many animals. Forests can help keep the balance of nature. For example, they can absorb carbon dioxide and release oxygen. The ocean ecosystem is another important one. 2______ It holds plenty of salt water, and the water cycle in the ocean is very important for the earth. The ocean is home to many sea animals and plants. Wetlands are also important ecosystems. 3 ______ They can also filter waste and keep water clean. Wetlands are home to many birds and fish. However, these ecosystems are facing many threats. 4______ We should take action to protect them. We can plant more trees, reduce pollution and support wildlife conservation organizations. 5 ______ Let's work together to protect the natural world. A. We should protect the natural world for our future. B. They can prevent floods. C. Deforestation, pollution and over - hunting are destroying them. D. It covers about 71% of the earth's surface. E. Forests make up nearly a third of the earth's land area. F. The desert ecosystem is very dry. G. People are building more houses in the forests. 五、句型转换 1. The ocean is like the "heart" of the earth. (改为同义句) The ocean is ______ ______ the "heart" of the earth. 2. He likes reading. He likes writing. (用and合并句子) He likes reading ______ writing. 3. We should plant more trees to protect the environment. (对划线部分提问) ______ ______ we plant more trees? 4. The desert is hot and dry. (改为否定句) The desert ______ hot ______ dry. 5. Wetlands can help prevent floods. (改为一般疑问句) ______ wetlands ______ help prevent floods? 六、书面表达 请以“Protect the Natural World”为题，写一篇短文，谈谈保护自然世界的重要性以及我们可以采取的措施。 要求： 1. 包含所有要点，可适当发挥； 2. 词数80 - 100； 3. 语句通顺，语法正确。 _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 答案 一、词汇运用 A. 用所给单词的适当形式填空 1. harmful 2. wildlife 3. noise 4. creative 5. killing B. 根据首字母或汉语提示写单词 6. ecosystem 7. polar bear 8. rain 9. filter 10. countless 二、单项选择 1. A 2. B 3. B 4. B 5. A 6. A 7. B 8. C 9. B 10. A 11. B 12. C 13. B 14. A 15. B 三、完形填空 1. A 2. A 3. A 4. B 5. C 6. A 7. A 8. A 9. A 10. A 四、阅读理解 A 1. A 2. B 3. C 4. C 5. A B 1. B 2. C 3. C 4. A 5. C C（七选五） 1. E 2. D 3. B 4. C 5. A 五、句型转换 1. similar to 2. and 3. Why should 4. isn't; or 5. Can; help 六、书面表达（参考范文） Protect the Natural World The natural world gives us food, water and air. It’s important for our lives. But now, it’s in danger because of pollution and deforestation. We can do many things to protect it. We can plant more trees, save water and electricity, and stop using plastic bags. We can also tell others to care about nature. If everyone works hard, we can make the natural world better. Let’s start now! 学科网（北京）股份有限公司 $