Unit 4 词汇测试 2025-2026学年人教版八年级英语下册

Unit 4 词汇测试2025-2026人教版八年级下册 一、根据句意及首字母或汉语提示完成单词 1. The Great Barrier Reef is a natural w______ located on the northeastern coast of Australia.（奇观） 2. The Sahara Desert is the largest hot d______ in the world, covering about 9,000,000 square kilometres.（沙漠） 3. We need to take m______ to protect the coral reefs from pollution.（措施） 4. The depth of the Mariana Trench is about 11,000 metres, which means its b______ is extremely far from the surface.（底部） 5. Mount Qomolangma is so high that the air there is very thin, making it hard for climbers to s______.（生存） 6. The p______ of the Dead Sea is 416 metres below sea level.（高度；水平） 7. Explorers are always full of c______ to discover the unknown parts of nature.（好奇心） 8. The c______ of the ocean is covered with all kinds of plants and small animals.（表面） 9. It's r______ to dive in some deep-sea areas because of the dangerous conditions.（有风险的） 10. The Yangtze River is the longest river in China, with a l______ of about 6,300 kilometres.（长度） 二、用所给单词的适当形式填空 1. The scientist spent years ______ (measure) the temperature of the deep sea. 2. Many ______ (explorer) have risked their lives to climb Mount Qomolangma. 3. The ______ (develop) of tourism has brought both benefits and challenges to the natural wonders. 4. This kind of fish is ______ (usual) because it can live in extremely cold water. 5. The ______ (north) part of China is famous for its beautiful snow scenery in winter. 6. We should protect the ______ (nature) environment to keep the ecosystems balanced. 7. The climbers ______ (success) reached the top of Mount Qomolangma after years of preparation. 8. His ______ (ambition) to explore the Antarctic has inspired many young people. 9. The ______ (dive) found some rare shells when they went underwater yesterday. 10. The ______ (distance) between the two cities is about 500 miles, so we'd better go by plane. 三、单项选择 1. —What's the ______ of the Pacific Ocean? —It's about 165,250,000 square kilometres. A. square B. measurement C. depth D. level 2. The little boy is ______ about the underwater world and asks his teacher many questions. A. curious B. determined C. risky D. unusual 3. —Why do people keep exploring nature? —Because human ______ and ambition cannot be stopped. A. curiosity B. civilization C. development D. safety 4. The ship sank to the ______ of the sea after the storm, and no one survived. A. surface B. bottom C. depth D. level 5. Mount Qomolangma is ______ than any other mountain in the world, attracting thousands of climbers every year. A. higher B. highest C. lower D. lowest 6. We should protect the coral reefs ______ all costs because they are home to many marine creatures. A. at B. in C. on D. for 7. The ______ climbers faced many challenges, such as thin air and changeable weather. A. northern B. southern C. determined D. curious 8. —How deep is the lake? —It's about 20 metres in ______. A. depth B. surface C. bottom D. level 9. The natural wonder ______ in the western part of the country has become a popular tourist attraction. A. located B. locating C. to locate D. locate 10. The team ______ for the lost hiker in the mountain for three days, but they found nothing. A. searched B. measured C. dived D. survived 四、根据汉语意思完成句子 1. 贝加尔湖是世界上最深的淡水湖之一。 Lake Baikal is one of the ______ ______ ______ lakes in the world. 2. 为了保护自然奇观，政府已经采取了一系列措施。 ______ ______ ______ the natural wonders, the government has taken a series of measures. 3. 珠穆朗玛峰的高度约为8848.86米，并且仍在缓慢升高。 The ______ of Mount Qomolangma is about 8848.86 metres, and it is still ______ ______. 4. 一些深海动物能够自己发光，这帮助它们在黑暗中找到食物。 Some deep-sea animals can ______ ______ ______, which helps them find food in the dark. 5. 探险家们冒着生命危险穿越沙漠，只为探索其中的奥秘。 Explorers ______ their ______ to cross the desert just to explore its mysteries. 参考答案 一、根据句意及首字母或汉语提示完成单词 1. wonder 2. desert 3. measures 4. bottom 5. survive 6. level 7. curiosity 8. surface 9. risky 10. length 二、用所给单词的适当形式填空 1. measuring 2. explorers 3. development 4. unusual 5. northern 6. natural 7. successfully 8. ambition 9. divers 10. distance 三、单项选择 1. B 2. A 3. A 4. B 5. A 6. A 7. C 8. A 9. A 10. A 四、根据汉语意思完成句子 1. deepest freshwater 2. To protect 3. height; growing taller 4. create their own light 5. risk; lives ( 第 1 页 共 5 页 ) 学科网（北京）股份有限公司 $