Unit 4 期中基础巩固练习 2025-2026学年人教版英语八年级下册

八年级英语下册期中复习基础巩固练习题 Unit 4 The Wonders of Nature 姓名:_ 班级:_ 得分:_ 时间:40分钟 满分:100分 一、根据句意及首字母或汉语提示完成单词(共10小题;每小题2分,共20分) 1. The Sahara Desert is the largest d_ in the world. 2. The temperature t_ dropped to -30 last night. 3. The submarine d_ to a depth of 10,000 metres. 4. We should protect our natural w_ like mountains, rivers and forests. 5. The Great Wall is one of the greatest w_ of the world. 6. The river is about 300 metres in _ (深度). 7. The plane flew _ (在……下面) the clouds. 8. The water in this _ (池塘) is very clean. 9. The _ (表面) of the lake was very calm. 10. The _ (瀑布) is over 100 metres high and very beautiful. 二、用所给单词的适当形式填空(共10小题;每小题2分,共20分) 1. This lake is 50 metres in _ (deep). 2. It is _ (usual) for him to be late. He is always on time. 3. With the _ (develop) of technology, we can explore more of the ocean. 4. The _ (measure) of the mountain was very difficult. 5. The Yangtze River is the third _ (long) river in the world. 6. The climbers _ (successful) reached the top of the mountain. 7. He is _ (determine) to finish the work by himself. 8. She looked at the strange animal _ (curious). 9. Many _ (explore) tried to find the source of the river. 10. The weather here is _ (change). It can be sunny one minute and rainy the next. 三、单项选择(共10小题;每小题2分,共20分) ( ) 1. —_ is the deepest lake in the world?   —Lake Baikal.   A. How B. What C. Where D. Which ( ) 2. Mount Qomolangma is about 8,848.86 metres _.   A. tall B. high C. long D. deep ( ) 3. The Mariana Trench is the deepest point _ the ocean.   A. on B. in C. at D. for ( ) 4. The Amazon River travels _ than any other river in the world.   A. far B. farther C. farthest D. the farthest ( ) 5. He dived _ the water to save the little girl.   A. into B. at C. on D. to ( ) 6. Many climbers risk their lives _ Mount Qomolangma.   A. climb B. to climb C. climbing D. climbed ( ) 7. The lake is 100 metres _.   A. deep B. deeply C. depth D. deepen ( ) 8. We should protect these natural wonders _ all costs.   A. in B. on C. at D. for ( ) 9. —_ is the waterfall?   —About 50 metres.   A. How tall B. How long C. How high D. How deep ( ) 10. Human curiosity and ambition cannot be _.   A. stop B. stops C. stopping D. stopped 四、根据汉语意思完成句子(共5小题;每小题3分,共15分) 1. 黄河是中国的第二长河。 The Yellow River is the _ _ river in China. 2. 长江流经的距离最远,长度约为6300公里。 The Yangtze River travels the _ and is about 6,300 kilometres _. 3. 对大多数人来说,珠穆朗玛峰是世界上最伟大的奇观之一。 To most people, Mount Qomolangma is _ _ _ the greatest wonders of the world. 4. 为什么人们仍然冒着生命危险去攀登世界最高峰? Why do people still _ their _ to climb the highest mountain in the world? 5. 人类的好奇心和雄心壮志是无法被阻止的。 Human _ and _ cannot be stopped. 五、短文填空(共10小题;每小题1.5分,共15分) 从方框中选择适当的词,并用其正确形式填空,使短文完整、通顺。 attract condition risk curious climb determine measure reach success survive Mount Qomolangma is the highest mountain in the world. It (1)_ many climbers every year. However, climbing it is very dangerous because of the terrible weather (2)_. The temperature can drop to -60 , and the wind can be very strong. Many climbers (3)_ their lives to reach the top. Why do they do it? It is because of human (4)_ and ambition. People want to test their limits. A famous (5)_ once said, “I don’t climb the mountain because it is easy; I climb it because it is hard.” To climb Qomolangma, one needs to be well prepared. You must be (6)_ to face any difficulty. The mountain is about 8,848.86 metres high, but the exact (7)_ has changed over time. Climbers often train for years before they try to (8)_ the top. Many have tried, and some have (9)_ reached the summit. But others have lost their lives. For those who (10)_, the feeling of standing on top of the world is unforgettable. 六、补全对话(共5小题;每小题2分,共10分) 根据对话内容,从方框中的七个选项中选出五个合适的句子补全对话(有两项多余)。 A: Have you ever heard of the Mariana Trench? A. How deep is it? B. It sounds amazing! C. Where is it located? D. How long is it? E. That’s really deep. F. Is it the deepest in the world? G. Can you dive into it? B: Yes, a little. (1)_ A: It’s in the western Pacific Ocean, near Guam. B: (2)_ A: The deepest point is about 11,000 metres. B: Wow! (3)_ A: Yes, it is the deepest known point in the ocean. B: (4)_ A: No, it’s too deep and the pressure is too high. Only submersibles can go there. B: (5)_ I hope one day we can explore more of the deep sea. 参考答案 一、单词拼写 1. desert 2. temperature 3. dived 4. wonders 5. wonders 6. depth 7. below 8. pool 9. surface 10. waterfall 二、词形变换 1. depth 2. unusual 3. development 4. measurement 5. longest 6. successfully 7. determined 8. curiously 9. explorers 10. changeable 三、单项选择 1. B 2. B 3. B 4. B 5. A 6. B 7. A 8. C 9. C 10. D 四、完成句子 1. second longest 2. farthest; long 3. one of 4. risk; lives 5. curiosity; ambition 五、短文填空 1. attracts 2. conditions 3. risk 4. curiosity 5. climber 6. determined 7. measurement 8. reach 9. successfully 10. survive 六、补全对话 1. C 2. A 3. F 4. G 5. B 学科网(北京)股份有限公司 $