Unit 4 The Wonders of Nature 单元测试题 2025-2026学年人教版八年级英语下册

人教版八年级英语下册 Unit 4 The Wonders of Nature 单元测试题 满分:100 分 考试时间:90 分钟 一、单项选择题(共 15 小题,每小题 1 分,满分 15 分) 从 A、B、C 三个选项中选出最佳答案。 1.The Sahara Desert is _ desert in the world, covering about 9 million square kilometres. A. large B. larger C. the largest 2.We can't swim in the Dead Sea because its salt content is _ high for most living things. A. too B. so C. as 3.The Yangtze River is not _ as the Nile River, but it's the longest in Asia. A. long B. longer C. as long 4.About _ people visit the Great Barrier Reef every year to enjoy its colourful corals. A. 2,000,000 B. 200,000 C. 20,000 5.As the storm came closer, the wind blew _ and _ along the coast. A. strong; strong B. stronger; stronger C. more strong; more strong 6.Mariana Trench is _ place in the ocean, with a depth of about 11,000 metres. A. deep B. deeper C. the deepest 7.Learning about natural wonders helps us know _ about our planet's history. A. much B. more C. most 8.Zhangjiajie is one of _ scenic spots in China, famous for its strange rock formations. A. the most beautiful B. more beautiful C. beautiful 9.How _ is the Yellow River? It runs about 5,464 kilometres across northern China. A. deep B. long C. wide 10.The air on Mount Qomolangma is _ than that at sea level, so climbers need oxygen tanks. A. thinner B. thinnest C. the thinnest 11._ tourists come to visit Lake Baikal every summer to experience its clear water. A. Thousand of B. Thousands of C. Thousand 12.With more environmental protection efforts, this natural reserve is becoming _ attractive to wildlife. A. more and more B. more and most C. most and most 13.Which is _ between the two waterfalls, Angel Falls or Niagara Falls? A. high B. higher C. the highest 14.The _ we protect natural wonders, the better our future life will be. A. careful B. more careful C. more carefully 15.There are _ kinds of birds in the Amazon Rainforest—over 1,300. A. hundred of B. hundreds of C. hundred 二、完形填空(共 10 小题,每小题 1.5 分,满分 15 分) 阅读下面短文,从 A、B、C 三个选项中选出最佳答案,使短文通顺、意思完整。 Jiuzhaigou Valley is a magical natural wonder in Sichuan Province, China. It is famous for its clear lakes, waterfalls, and snow-capped mountains. The valley stretches about 50 kilometres long and covers an area of 720 square kilometres. Every year, 16 _ visitors come to admire its beauty. The lakes in Jiuzhaigou are 17 _ than most other lakes—their water is so clear that you can see the stones at the bottom. The colours of the lakes change with the seasons, from blue in summer to green in autumn. Many rare animals live in the valley, such as giant pandas and golden monkeys. These animals are 18 _ because their habitats are well protected. The local government has made strict rules to keep the valley clean and safe. Climate change is one of the 19 _ challenges for Jiuzhaigou. Rising temperatures may affect the ice and water sources. To protect this treasure, visitors are asked not to pick flowers or feed animals. Visiting Jiuzhaigou is a wonderful experience. It shows us the 20 _ of nature. The valley's highest peak reaches over 21 _ metres, offering amazing views. It's 22 _ to visit in autumn when the leaves turn red and yellow. Jiuzhaigou was recognized as a UNESCO World Heritage Site in 23 _ , which helps it get more international protection. We must remember that natural wonders are 24 _ than any man-made gifts. By protecting Jiuzhaigou, we are saving a piece of Earth's beauty for future generations. It's our duty to make sure this wonder remains 25 _ forever. 16.A. million of B. millions of C. million 17.A. clear B. clearer C. clearest 18.A. endangered B. safe C. dangerous 19.A. big B. bigger C. biggest 20.A. beauty B. more beautiful C. most beautiful 21.A. 4,800 B. 480 C. 48,000 22.A. good B. better C. best 23.A. 1992 B. 1929 C. 2002 24.A. precious B. more precious C. most precious 25.A. beautiful B. more beautiful C. most beautiful 三、阅读理解(共 10 小题,每小题 2 分,满分 20 分) 阅读 A 篇,选择最佳答案。 A The Great Barrier Reef is the largest coral reef system in the world. It is located off the northeast coast of Australia, and stretches about 2,300 kilometres. This natural wonder is made up of over 2,900 individual reefs and 900 islands. The Great Barrier Reef is home to thousands of marine species, including fish, turtles, and dolphins. Its colourful corals make it a popular place for divers and tourists. Every year, many people visit it to enjoy its beauty. However, the reef is facing environmental challenges. Climate change is making the ocean water warmer, which affects the corals. Pollution from ships and nearby areas also impacts its ecosystem. To protect the reef, relevant departments have set up protected areas and taken measures to control human activities in some zones. Scientists are working hard to protect the Great Barrier Reef. They are studying ways to help corals adapt to environmental changes. It's important for everyone to take part in protecting this amazing natural wonder. 26.Where is the Great Barrier Reef located? A. Off Australia's northeast coast B. In the Atlantic Ocean C. Near New Zealand 27.How long is the Great Barrier Reef? A. About 2,300 kilometres B. About 2,900 kilometres C. About 900 kilometres 28.What makes the Great Barrier Reef popular with tourists? A. Its high mountains B. Its colourful corals C. Its rare land animals 29.What environmental challenge is the Great Barrier Reef facing? A. Too many ships B. Warmer ocean water C. Lack of rain 30.What measures have been taken to protect the reef? A. Stopped all diving activities B. Set up protected areas C. Moved all marine species 阅读 B 篇,选择最佳答案。 B Mount Huangshan, known as the "Yellow Mountain", is a famous natural wonder in Anhui Province, China. It is famous for its strange pine trees, rocky peaks, and sea of clouds. The mountain's highest peak is Lotus Peak, which is 1,864 metres high. Mount Huangshan has a long history as a scenic spot. For centuries, it has inspired poets and painters with its beauty. Today, it attracts millions of visitors every year. The best time to visit is in autumn, when the leaves turn red and the sky is clear. The mountain is also home to many rare plants and animals, such as the Huangshan macaque and the Chinese yew. To protect the environment, visitors are encouraged to take public transport instead of private cars on the mountain. Mount Huangshan was recognized as a UNESCO World Heritage Site in 1990. It is not just a mountain—it's a symbol of Chinese natural beauty and culture. 31.Where is Mount Huangshan located? A. In Sichuan Province B. In Anhui Province C. In Hunan Province 32.What is the height of Lotus Peak? A. 1,864 metres B. 1,684 metres C. 1,486 metres 33.What is Mount Huangshan famous for? A. Strange pine trees and rocky peaks B. Long rivers and large lakes C. Modern buildings and parks 34.When is the best time to visit Mount Huangshan? A. Spring B. Summer C. Autumn 35.What is suggested for visitors to protect Mount Huangshan? A. Take public transport on the mountain B. Plant more trees C. Bring more food and water 四、短文选句填空(共 5 小题,每小题 2 分,满分 10 分) 阅读下面短文,从方框内所给的 A、B、C、D、E 五个选项中,选出能填入空白处的最佳选项,使短文意思完整、连贯。(有一项多余) A. It is the second longest river in China B. It is called the "Mother River" of China C. Many ancient civilizations developed along its banks D. The river provides water for farming and daily use E. People have built many water conservancy projects to regulate water flow The Yellow River is one of China's most important natural wonders. 36 _ , flowing about 5,464 kilometres from the Tibetan Plateau to the Bohai Sea. 37 _ because it has nurtured Chinese people for thousands of years. 38 _ , leaving rich soil that is good for growing crops. Today, the Yellow River still plays a key role in China's development. 39 _ for millions of people in northern China. However, it also faces challenges like water pollution and soil erosion. To protect this great river, the Chinese government has taken many measures. 40 _ and planted trees along the banks. With these efforts, the Yellow River will continue to be a treasure for China. 五、语法填空(共 10 小题,每小题 1 分,满分 10 分) 阅读下面短文,在空白处填入一个适当的单词或括号内单词的正确形式。 Angel Falls is one of the world's most amazing waterfalls. It is located in Venezuela, South America. With a height of 979 metres, it is the 41 _ (tall) waterfall on Earth. The waterfall drops from a high cliff, creating a beautiful mist that can be seen from far away. Every year, thousands of 42 _ (tourist) come to visit Angel Falls. To reach it, visitors need to take a plane to a small village, then travel by boat and hike through the rainforest. The journey is tiring, but the view is worth it. The area around Angel Falls is home to many 43 _ (usual) animals and plants. Some of them can only be found in this part of the world. The local government has set up a national park to protect the 44 _ (ecosystem) here. The water of Angel Falls is 45 _ (clean) than most other waterfalls because it comes from pure mountain rivers. The sound of the falling water is 46 _ (loud) as you get closer, making you feel the power of nature. Environmental changes are a threat to Angel Falls. Less rain may make the waterfall 47 _ (small) in the future. To protect it, we need to reduce environmental pollution and protect the rainforest. Visiting Angel Falls is an unforgettable experience. It reminds us of how 48 _ (wonder) nature is. We must do our best to protect natural wonders so that future generations can also enjoy 49 _ (they) beauty. After all, these wonders are 50 _ (valuable) than any money can buy. 六、补全对话(共 5 小题,每小题 2 分,满分 10 分) 根据下面的对话情景,在空白处填入适当的句子,使对话通顺、完整。 A: Hi, Amy! I heard you went to Lijiang last month. How was your trip? B: It was wonderful! Lijiang is surrounded by beautiful natural scenery. A: 51. _? B: It's in Yunnan Province. The most amazing part is the Jade Dragon Snow Mountain nearby. A: 52. _? B: The snow mountain is about 5,596 metres high. It's really spectacular. A: 53. _? B: I went hiking with my friends. We also took photos with the snow-capped peak. A: 54. _? B: The weather was cool, even in summer. We needed to wear warm jackets. A: I want to visit Lijiang too. 55. _? B: You can take a flight to Lijiang Airport, then take a bus to the city centre. It's easy to get around. A: Thank you for sharing! B: You're welcome. 七、书面表达(满分 15 分) 假设你是李华,你的美国朋友 Peter 计划来中国旅游,想参观一处中国的自然奇观。请你根据以下提示给他写一封邮件,向他推荐一处自然奇观(如黄山、九寨沟、张家界等)。 提示: 1.推荐的自然奇观是什么; 2.它的位置、主要特点(如景观、高度、大小等); 3.参观的最佳时间及理由; 4.提醒他需要注意的环保事项。 要求: 5.词数 80-100; 6.条理清晰,语句通顺,语法正确; 7.包含所有提示要点,可适当发挥。 参考答案 一、单项选择题(15 分) 1-5: CACAB 6-10: CBABA 11-15: BABCB 二、完形填空(15 分) 16-20: BBBAA 21-25: ABABA 三、阅读理解(20 分) 26-30: AABBB 31-35: BAACA 四、短文选句填空(10 分) 36-40: ABCDE 五、语法填空(10 分) 41.tallest 42. tourists 43. unusual 44. ecosystem 45. cleaner 46.louder 47. smaller 48. wonderful 49. their 50. more valuable 六、补全对话(10 分,答案不唯一,合理即可) 51.Where is Lijiang located/Where is Lijiang? 52.How high is the Jade Dragon Snow Mountain? 53.What did you do there? 54.What was the weather like there? 55.How can I get to Lijiang? 七、书面表达范文(15 分) Dear Peter, I'm glad you're coming to China! I recommend you visit Jiuzhaigou Valley in Sichuan Province. It's famous for clear lakes, beautiful waterfalls, and snow-capped mountains. The valley is about 50 kilometres long, with lakes that change colours in different seasons. The best time to visit is autumn. The leaves turn red and yellow, and the weather is cool. Please remember to protect the environment: don't throw trash, pick flowers, or feed animals. Keep Jiuzhaigou clean for everyone. I hope you have a great time exploring this amazing natural wonder! Yours, Li Hua 1 学科网(北京)股份有限公司 $