Unit 4 The Wonders of Nature 单元测试卷2025-2026学年人教版英语八年级下册

人教版八年级英语下册 Unit 4 The Wonders of Nature 单元测试卷 测试时间：90分钟 总分：120分 一、单项选择（每小题1分，共15分） 从A、B、C、D四个选项中选出可以填入空白处的最佳选项。 ( ) 1. —Have you ever seen the Great Barrier Reef? —Yes, it’s one of the greatest ______ of nature in the world. A. wonders B. problems C. mistakes D. dreams ( ) 2. The Sahara Desert is ______ in northern Africa and it’s the largest hot desert on Earth. A. located B. found C. built D. grown ( ) 3. It’s dangerous to climb the high ______ because the rocks are slippery and the wind is strong. A. plain B. cliff C. valley D. desert ( ) 4. Many special plants and animals can ______ in the desert by saving water and keeping warm. A. die B. survive C. sleep D. play ( ) 5. —What’s the ______ of the Mariana Trench? —It’s about 11,034 meters, the deepest point on Earth. A. width B. height C. depth D. length ( ) 6. The explorers ______ for a long time to cross the Taklimakan Desert and finally succeeded. A. rested B. risked C. struggled D. waited ( ) 7. Angel Falls, the highest waterfall in the world, ______ thousands of travellers every year. A. attracts B. scares C. hurts D. confuses ( ) 8. It’s ______ to dive into the deep sea without proper training and safety equipment. A. safe B. risky C. easy D. boring ( ) 9. The Great Barrier Reef is made up of thousands of coral ______ and is home to many sea creatures. A. trees B. plants C. reefs D. flowers ( ) 10. We should ______ nature and learn its secrets instead of destroying it. A. be curious about B. be afraid of C. be angry with D. be sorry for ( ) 11. Scientists did a lot of ______ on the underwater ecosystem of Lake Baikal last year. A. research B. homework C. housework D. practice ( ) 12. We must protect natural wonders so that ______ generations can also enjoy their beauty. A. past B. future C. young D. old ( ) 13. Mount Qomolangma is so high that the air is thin and the temperature is very ______. A. high B. hot C. low D. warm ( ) 14. They built a small bridge ______ bit by bit to cross the rushing river. A. step B. steps C. stepping D. to step ( ) 15. —I’m really curious about the Victoria Falls. —______ It’s worth visiting a lot. A. Me too! B. No way! C. That’s terrible! D. I don’t know. 二、完形填空（每小题1分，共15分） 阅读短文，掌握大意，从A、B、C、D中选最佳选项。 A Trip to Victoria Falls Nature is full of amazing wonders that surprise every person who loves the outdoors. Last summer, I took a trip to Victoria Falls with my family. It is one of the most famous waterfalls in the world, 16______ on the border of Zambia and Zimbabwe. When we arrived, the loud sound of the water greeted us first. It was like thunder, so we called it “The Smoke That Thunders”. The water falls down from a high 17______, creating a huge cloud of white mist in the air. The scene is truly breathtaking. My dad told us that the falls is about 108 meters high and 1,708 meters wide. Its amazing 18______ makes it one of the largest waterfalls on Earth. We took a boat tour to get closer, and the mist wet our clothes, but we didn’t mind. We saw many colorful birds flying above the river and some fish swimming in the water below. The guide said that Victoria Falls 19______ millions of travellers every year. It is not only a natural wonder but also a home to local people. They depend on the river for water and life. They also told us that nature is precious, and we should 20______ it instead of damaging it. During the trip, my sister said she wanted to be an 21______ when she grows up. She hopes to 22 ______more natural wonders around the world, like deep forests and deep oceans. My mom advised her to study hard and learn about geography and biology first. We also learned that some natural wonders are facing 23______, such as pollution and over-tourism. If we don’t protect them, they may disappear forever. That’s why we should take action to keep nature safe. On the way back, we talked about the trip happily. I realized that exploring nature can 24 ______our curiosity and love for the Earth. Every natural wonder is a gift from nature, and we should 25 ______ it carefully. ( ) 16. A. located B. lived C. built D. placed ( ) 17. A. cliff B. desert C. plain D. river ( ) 18. A. depth B. size C. height D. length ( ) 19. A. attacks B. refuses C. attracts D. invites ( ) 20. A. protect B. destroy C. change D. sell ( ) 21. A. artist B. explorer C. teacher D. doctor ( ) 22. A. invent B. explore C. imagine D. describe ( ) 23. A. dangers B. chances C. hopes D. stories ( ) 24. A. stop B. reduce C. hide D. increase ( ) 25. A. look for B. look after C. look up D. look at 三、阅读理解（每小题2分，共18分） A Famous Natural Wonders Around the World There are many amazing natural wonders on our planet. Here are three famous ones: 1. Mount Qomolangma: It stands in the Himalayas and is the highest mountain in the world, with a height of 8,848.86 meters. Many climbers try to reach its top every year. 2. Great Barrier Reef: It lies off the coast of Australia, the largest coral reef system in the world. It is home to thousands of sea animals and plants, making it a popular place for snorkeling and diving. 3. Sahara Desert: It covers most of northern Africa, the largest hot desert on Earth. Despite the harsh environment, many special animals and plants can survive there. ( ) 26. What is Mount Qomolangma famous for? A. Being the largest desert. B. Being the highest mountain. C. Being the largest reef. D. Being the highest waterfall. ( ) 27. Where is the Great Barrier Reef located? A. In Asia. B. In Africa. C. In Australia. D. In Europe. ( ) 28. What can we learn about the Sahara Desert? A. It has no living things. B. It’s the largest cold desert. C. It’s in northern Africa. D. It’s the deepest place on Earth. B The Dead Sea: A Special Wonder The Dead Sea is a unique natural wonder between Jordan and Israel. It is one of the saltiest lakes in the world. Because of its high salt level, people can float on its surface easily without sinking. When visiting the Dead Sea, you must be careful not to get the water into your eyes—it causes great pain. You also can’t drink the water because it’s too salty. Many people come here to put on the black mud, which is said to be good for the skin. However, the Dead Sea is getting smaller and smaller because of human activities. This makes many people worried. We should protect it so that future generations can still enjoy this special natural wonder. ( ) 29. Why can people float on the Dead Sea? A. Because it’s very deep. B. Because it’s very wide. C. Because it’s extremely salty. D. Because it’s very calm. ( ) 30. What should visitors avoid doing? A. Floating on the water. B. Putting mud on the skin. C. Getting water in the eyes. D. Taking photos. ( ) 31. Why is the Dead Sea shrinking? A. Because of natural changes. B. Because of human activities. C. Because of too much rain. D. Because of big waves. C Protecting Nature’s Wonders Natural wonders are precious gifts from nature. They provide homes for plants and animals, help keep the Earth’s climate balanced, and bring joy to people. But today, many natural wonders are in danger. Pollution, climate change, and over-tourism are hurting them. For example, coral reefs are dying because of ocean pollution. Some mountains are damaged by too many climbers. To protect them, we can take small steps: don’t litter in natural areas, follow travel rules, and learn more about nature. Only by working together can we keep these wonders alive for future generations. ( ) 32. What do natural wonders provide for animals and plants? A. Food. B. Homes. C. Money. D. Toys. ( ) 33. How can we protect natural wonders? A. Litter everywhere. B. Ignore the rules. C. Take small actions. D. Visit them more often. 四、七选五（每小题2分，共10分） 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。选项中有一项为多余选项。 Tips for Protecting Natural Wonders Natural wonders are beautiful and important. We should protect them instead of destroying them. Here are some useful tips: 34. ______ Before visiting a natural wonder, learn about its history and safety rules. Don’t do anything that may hurt it. 35. ______ Don’t throw rubbish, pick flowers, or harm animals. Keep the natural environment clean and tidy. 36. ______ If you are climbing a mountain or diving, use proper equipment. Don’t take risks that put yourself or nature in danger. 37. ______ Don’t visit the same place too often. Too many visitors can damage the environment. 38. ______ Tell others about the importance of protecting nature. Encourage more people to join us. A. Respect the environment and wildlife. B. Do research and follow the rules. C. Avoid over-visiting natural places. D. Take risks whenever you want. E. Spread the message of protection. F. Follow safety guidelines to stay safe. G. Sleep all day and do nothing. 五、词汇运用（共10分） （一）根据句意及首字母提示补全单词（每小题1分，共5分） 39. The Great Barrier Reef is a famous natural w______ in Australia. 40. Explorers r______ their lives to explore unknown places in nature. 41. The d______ of the Mariana Trench is over 11,000 meters. 42. We should p______ nature so that it won’t disappear. 43. The Sahara Desert has very harsh living c______. （二）用括号内所给单词的适当形式填空（每小题1分，共5分） 44. The natural scenery of Guilin is very ______ (attract). 45. It’s ______ (danger) to climb the cliff alone. 46. Many scientists are doing ______ (research) on coral reefs. 47. The explorers ______ (successful) reached the top of the mountain. 48. We are all ______ (curious) about the secrets of nature. 六、任务型阅读（每小题2分，共10分） 阅读短文，根据短文内容回答问题，每小题答案不超过10个词。 The Nile River: A Great Natural Wonder The Nile River is the longest river in the world, about 6,650 kilometers long. It flows through 11 countries in Africa, including Egypt. For thousands of years, it has been the lifeblood of the people living along its banks. The Nile provides water for drinking, farming, and transportation. It also creates rich land for growing crops. Many ancient civilizations, like the Egyptian civilization, grew up beside it. Today, the Nile is still an important natural wonder. It attracts many travellers who want to see its beauty and learn about its history. But it is facing threats from pollution and overuse. We must protect it. 49. How long is the Nile River? ___________________________________________________________________________ 50. How many countries does the Nile flow through? ___________________________________________________________________________ 51. What does the Nile provide for people? ___________________________________________________________________________ 52. Which civilization grew up beside the Nile? ___________________________________________________________________________ 53. What threats is the Nile facing? ___________________________________________________________________________ 七、书面表达（15分） 以A Natural Wonder I Want to Visit为题，写一篇80-100词的短文，介绍一个你想去参观的自然奇观。 要求：1. 结合Unit 4核心词汇/短语（wonder、explore、protect、survive、be curious about等）；2. 运用本单元核心语法；3. 语句通顺，无超纲词汇，逻辑清晰。 ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________   参考答案 一、单项选择 1.A 2.A 3.B 4.B 5.C 6.C 7.A 8.B 9.C 10.A 11.A 12.B 13.C 14.C 15.A 二、完形填空 16.A 17.A 18.B 19.C 20.A 21.B 22.B 23.A 24.D 25.B 三、阅读理解 A:26.B 27.C 28.C B:29.C 30.C 31.B C:32.B 33.C 四、七选五 34.B 35.A 36.F 37.C 38.E（多余项：G） 五、词汇运用 （一）39.wonder 40.risk 41.depth 42.protect 43.conditions （二）44.attractive 45.dangerous 46.research 47.successfully 48.curious 六、任务型阅读 49. About 6,650 kilometers. 50. 11 countries. 51. Water, farming and transportation. 52. The Egyptian civilization. 53. Pollution and overuse. 七、书面表达范文 A Natural Wonder I Want to Visit The Great Barrier Reef is the natural wonder I want to visit most. It is located in Australia and is the largest coral reef system in the world. I am curious about the colorful coral and various sea animals there, like turtles and tropical fish. Many travellers say it’s amazing to snorkel among the reefs. I also want to learn how to protect this precious wonder from pollution. I hope to visit it with my family one day. It will be a wonderful experience to feel the beauty of nature and learn more about our Earth. 学科网（北京）股份有限公司 $