Unit 5 单元测试卷 2025-2026学年冀教版八年级英语下册

冀教版八年级下册 Unit 5 单元测试卷 时间：90分钟 满分：100分 第一部分 情景交际（共15小题；每小题1分，满分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. — I think the computer is the most important invention. It changes the world. — _______. It helps us work and study better. A. Not really B. I can't agree more C. That's all right D. Don't mention it 2. — Could you tell me who invented the light bulb? — _______. A. It was invented by Edison  B. Edison invented them C. The light bulb is bright  D. I don't like light bulb 3. — What do you think of AI technology? — _______ It makes our life more convenient. A. I'm not sure B. It's hard to say C. I think it's great D. That's a problem 4. — Have you heard of the new eco‑friendly spaceship? — _______. It travels widely without polluting the air. A. Yes, it's amazing B. No, I haven't C. It doesn't matter D. I hope so 5. — In fact, many inventions were made by mistake. — _______. Penicillin is a good example. A. It's a pity B. I disagree C. That's true D. What a shame 6. — Why do people use the compass? — _______. A. To find directions  B. Because it's small  C. For sailing ships  D. It's made of metal 7. — _______ does the machine work? — It is powered by electricity. A. How B. What C. Why D. When 8. — I want to invent something to help the environment. — _______. I believe you can make it. A. Good luck  B. That's too difficult  C. You are kidding  D. It's none of my business 9. — The printing press greatly spread knowledge. — _______. Before that, books were all written by hand. A. Exactly B. I'm afraid not C. Not at all D. Never mind 10. — Let's have a toast to the great inventors! — _______! They have changed our lives. A. Cheers B. Sorry C. No way D. Be careful 11. — The application of AI is widely used in many fields. — _______. For example, smart phones can recognize our faces. A. I doubt it B. That's not true C. I agree D. What a pity 12. — Could you pass me the dictionary? I want to look up this word. — _______. A. Here you are B. Yes, please C. That's fine D. You're welcome 13. — Do you think the spaceship will take us to Mars widely in the future? — _______. A. Yes, I hope so B. No, never C. I'm busy now D. That's all 14. — The process of pasteurizing milk keeps it safe. — _______. It was a great invention for food safety. A. Really? B. You've got a point C. I can't stand it D. It's terrible 15. — What do you think is the most fascinating invention? — _______. A. I'm not sure yet B. Of course not C. Good idea D. Don't worry 第二部分 完形填空（共10小题；每小题1.5分，满分15分） 阅读下面短文，掌握其大意，然后从各小题所给的四个选项中选出最佳选项。 The invention of printing has greatly changed the world. Before it, books were 1 copied by hand, which took a long time. The first printing press 2 in China around 1,300 years ago. It used carved wooden blocks. Later, Johannes Gutenberg improved it in Europe. Since then, knowledge has been spread 3 and more cheaply. Printing made it possible for more people to get books. 4 , many people could learn to read and write. Today, we 5 print books easily with modern machines. Printing not only helps education, but also brings us entertainment. Without this invention, we might still live in a world without newspapers or magazines. The process of printing 6 over time. Now digital printing is widely used. It is 7 to the Internet, so we can print things from our computers or phones. Some people even 3D print houses! That's absolutely 8 . Printing is an invention that lights 9 our lives. Let's give a toast 10 the inventors. 1. A. slowly B. fast C. simply D. carefully 2. A. invented B. was invented C. invents D. is invented 3. A. wide B. wider C. widely D. more widely 4. A. As a result B. For example C. In fact D. At first 5. A. can B. must C. need D. should 6. A. has improved B. improves C. is improving D. improved 7. A. connecting B. connected C. connect D. to connect 8. A. boring B. terrible C. fascinating D. difficult 9. A. up B. on C. in D. for 10. A. to B. for C. of D. on 第三部分 语法填空（共10小题；每小题1.5分，满分15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。 The compass is one of the greatest 1 (invent) in ancient China. It 2 (use) to find directions for the first time about 2,000 years ago. Before the compass, people had to depend on the stars 3 the sun. The compass made sailing much 4 (safe) and easier. It 5 (great) helped explorers travel across the oceans. Today, although we have GPS, the compass 6 (be) still a useful tool. It is 7 (wide) used in outdoor activities like hiking. Modern smartphones 8 (connect) to satellites, but they also have a built‑in compass app. The 9 (apply) of the ancient compass has influenced the world deeply. Without it, the Age of Discovery might never 10 (happen). So we should remember the wisdom of ancient people. 第四部分 阅读理解（共15小题；每小题1分，满分15分） 阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。 A The wheel is often considered one of the most important inventions. It was invented around 3500 BC in Mesopotamia. Early wheels were solid disks made of wood. Later, people created spoked wheels which were lighter and faster. The wheel greatly improved transportation and led to the development of carts, wagons, and chariots. Today, wheels are everywhere, from bicycles to spaceships. Without the wheel, modern life would be very different. 1. Where was the wheel invented? A. In China. B. In Europe. C. In Mesopotamia. D. In America. 2. What were early wheels made of? A. Metal. B. Stone. C. Wood. D. Plastic. 3. Why were spoken wheels better? A. They were heavier. B. They were lighter and faster. C. They were cheaper. D. They were more beautiful. 4. How does the wheel affect modern life? A. It is only used on cars. B. It is no longer important. C. It is everywhere in transportation. D. It is only a historical object. 5. Which of the following is NOT true according to the passage? A. The wheel appeared about 5500 years ago. B. Early wheels were solid disks. C. The wheel helped develop wagons. D. The wheel is only used on bicycles now. B The Internet is a worldwide system of connected computer networks. It was first developed in the 1960s for military use. Later, it became a tool for scientists to share information. In the 1990s, the World Wide Web made the Internet popular among common people. Now, the Internet connects billions of devices. It helps us get knowledge, communicate with others, and enjoy entertainment. However, it also has problems like online safety. But in fact, the Internet has changed the world greatly. 6. What was the Internet first developed for? A. For entertainment. B. For military use. C. For scientific research. D. For online shopping. 7. When did the Internet become popular among common people? A. In the 1960s. B. In the 1970s. C. In the 1990s. D. In the 2000s. 8. What does the Internet help us do? (Choose the one that is NOT mentioned) A. Get knowledge.  B. Communicate with others. C. Enjoy entertainment. D. Cook meals. 9. What problem does the Internet have? A. It is too slow.  B. Online safety problems. C. It costs too much. D. It is difficult to use. 10. What is the main idea of the passage? A. The Internet has problems.  B. The Internet is only for scientists. C. The Internet has changed the world greatly. D. The Internet will disappear in the future. C Cai Lun was a Chinese inventor who lived in the Eastern Han Dynasty. He improved the papermaking process and made paper from cheap materials like tree bark, rags, and fishing nets. Before paper, people wrote on bamboo or silk. Bamboo was heavy and silk was expensive. Cai Lun’s paper was light and cheap. It spread knowledge and helped Chinese culture grow. Later, papermaking spread to other countries. It is considered one of the Four Great Inventions of ancient China. 11. When did Cai Lun live? A. In the Tang Dynasty. B. In the Eastern Han Dynasty. C. In the Song Dynasty. D. In the Ming Dynasty. 12. What materials did Cai Lun use to make paper? A. Bamboo and silk. B. Tree bark, rags, and fishing nets. C. Metal and wood. D. Plastic and glass. 13. Why was paper better than bamboo? A. Paper was heavier.  B. Paper was more expensive. C. Paper was light and cheap. D. Paper was more beautiful. 14. What did paper help to do? A. Spread knowledge and culture. B. Build the Great Wall. C. Invent the compass.  D. Make silk. 15. How many Great Inventions of ancient China are there? A. Three. B. Four. C. Five. D. Six. 第五部分 阅读表达（共5小题；每小题2分，满分10分） 阅读下面的短文，然后根据短文内容简要回答问题。 Inventions That Light Up Our World Throughout history, inventions have made our lives easier and more comfortable. The light bulb lights up the darkness, allowing us to work or study at night. The telephone connects people far away. The computer and Internet bring lots of information and entertainment to our homes. Recently, AI technology has helped in many fields such as medicine and education. Inventions not only save time but also improve our living standards. No invention is perfect, but they keep getting better. 1. What does the light bulb allow us to do? _________________________________________________________________ 2. How does the telephone change communication? _________________________________________________________________ 3. In what fields does AI help? _________________________________________________________________ 4. Why do inventions keep getting better? _________________________________________________________________ 5. Which invention do you think is the most useful in daily life? Why? _________________________________________________________________ 第六部分 补全对话（共5小题；每小题2分，满分10分） 根据对话内容，从方框中选择恰当的句子补全对话。其中有两项是多余的。 A: Hi, Lisa! What do you think is the most important invention? B: 1. ________________ A: I agree. But I think the Internet is more important. 2. ________________ B: Yeah, the Internet is also amazing. But the telephone came first. A: That's true. In fact, we are connected to the whole world through the Internet. B: 3. ________________ A: By the way, do you know who invented the telephone? B: 4. ________________ A: You're right. And I've heard that AI will play a bigger role in the future. B: 5. ________________ Let's wait and see. A. It was invented by Alexander Graham Bell. B. I like the light bulb. C. I think the telephone is. D. I'm not sure about that. E. It allows us to get information easily. F. That sounds interesting. G. Yes, I hope so. 第七部分 书面表达（满分20分） 假设你是李华，你们学校正在举办“我最喜欢的发明”征文活动。请你写一篇80词左右的英语短文，介绍一项你最喜欢的发明。内容包括：1. 发明名称及发明者（若已知）；2.该发明的用途；3.它如何改变了人们的生活。 要求： 1. 语句通顺，逻辑清晰；2.可适当运用本单元所学词汇和短语（如 light up, be connected to, go through, in fact 等）。 题目自拟。 参考答案 第一部分 情景交际 1–5 BACAC 6–10 AAAAA 11–15 C A A B A 第二部分 完形填空 1–5 ABDAA 6–10 ABCAA 第三部分 语法填空 1. inventions 2. was used 3. or 4. safer 5. greatly 6. is 7. widely 8. are connected 9. application 10. happen 第四部分 阅读理解 1–5 CCBCD 6–10 BCDBC 11–15 BBCAB 第五部分 阅读表达 1. It allows us to work or study at night. 2. It connects people far away. 3. Medicine and education. 4. Because no invention is perfect, people keep improving them. 5. (开放性答案，参考：I think the smartphone is the most useful because it combines many tools like telephone, computer, and camera in one.) 第六部分 补全对话 1–5 C E F A G 第七部分 书面表达 (参考范文) My Favorite Invention – The Smartphone My favorite invention is the smartphone. It was greatly improved by many inventors like Steve Jobs. A smartphone is not only a telephone but also a small computer. It allows us to get information easily, connect to the Internet, and enjoy entertainment. In fact, it lights up our daily life. We can go through many tasks quickly without a big machine. I think it is the most useful tool in modern times. 学科网（北京）股份有限公司 $