Unit3-Our digital lives- Section 4-同步练2025-2026学年沪教版八年级英语上册

Unit 3 Our digital lives Section 4 同步练 班级：________ 姓名：________ 得分：________ 一、选词填空（共 10 小题，每小题 1 分，共 10 分） 从方框中选择合适的词或短语，并用其适当形式填空，每词限用一次。 invent，major，breakthrough，create,develop，evaluate，download，program，digital literacy，subjective，era 1. Charles Babbage and Ada Lovelace designed the first machine with a computer ________ in 1837. 2. Ted Hoff ________ the microprocessor, which was a ________ step in computer history. 3. The microchip helped computers become faster and smaller, which was a great ________. 4. The smartphone has started a new ________ in digital technology. 5. It is important to ________ information carefully when we look things up online. 6. We can ________ apps and files from the Internet to our phones. 7. Not all online information is true; some of it is ________ and cannot be trusted. 8. ________ is the ability to use digital tools and find reliable information online. 9. Computer technology will continue to ________ in the future, and quantum computers may be the next big thing. 10. Alan Turing ______ the Turing machine, which is the basic design of a computer system. 二、适当形式填空（共 10 小题，每小题 1 分，共 10 分） 用括号内所给单词的适当形式填空。 1. Ada Lovelace was the first computer ________ (program). 2. The Turing machine could do all kinds of ________ (calculate) and run different programs. 3. After the microchip was invented, computers became much ________ (fast) and smaller. 4. The first personal computers were sold to the general public in ________ (1981). 5. Quantum computers will be many times ________ (fast) than today’s computers. 6. It is difficult ________ (evaluate) information on the Internet because there is so much content. 7. Writing posts and comments is an important way ________ (communicate) online. 8. Using emojis and pictures makes online messages more ________ (interest) to read. 9. We should be kind to others online, especially people we do not ________ (know). 10. The ability to use digital tools and find reliable information is called ________ (digitally) literacy. 三、阅读理解 A（共 4 小题，每小题 2.5 分，共 10 分） 阅读下面短文，从 A、B、C、D 四个选项中选出最佳答案。 The Story of the Computer Computers have come a long way since the 19th century. In 1837, Charles Babbage and Ada Lovelace designed the first machine with a computer program. Ada realized that a computer could do more than just add numbers, making her the first computer programmer. In 1936, Alan Turing created the Turing machine, which became the basic design for all modern computers. The machine could perform different calculations and run various programs. Then, in the 1940s, scientists built the first early computers in England and Germany. These machines were huge—as big as a room—and very slow. The next big change came in 1971 when Ted Hoff invented the microprocessor (or “microchip”). This was a major breakthrough. Thanks to the microchip, computers became much faster and smaller. By 1981, the first personal computers (PCs) were sold to the general public. Experts didn’t think people would want computers at home, but thousands were sold in just two years. Today, smartphones have taken over. They are small computers that can connect to the Internet and run apps. In the future, quantum computers will be the next big thing. They will be much faster and more powerful than today’s computers. Who knows what new inventions will come next? 1. What did Ada Lovelace realize about computers in 1837? A. They could only add big numbers B. They could do more than just calculations C. They would never be useful for people D. They could run video games 2. Why was the Turing machine important? A. It was the first personal computer B. It could only do one kind of calculation C. It became the basic design for modern computers D. It was invented by Charles Babbage 3. What effect did the microchip have on computers? A. It made them bigger and slower B. It made them faster and smaller C. It made them impossible to use at home D. It made them only work in large rooms 4. What is the main idea of the passage? A. The history and development of computers over time B. How smartphones changed people’s lives C. The problems with early computers D. The future of quantum computers 四、完形填空（共 10 小题，每小题 1 分，共 10 分） 阅读下面短文，掌握其大意，然后从各题所给的 A、B、C、D 四个选项中选出最佳选项。 Digital Literacy: A New Skill for the Digital Age Nowadays, we live in a digital world. The Internet gives us easy access to all kinds of information, but we need to be careful when using it. Digital literacy is the 1_______ to use digital tools wisely, and it is becoming more important every day. One part of digital literacy is finding reliable information. It’s easy to find facts online, but not everything you read is true. Some information is 2_______, and some is made up. To avoid believing fake news, you need to 3_______ the source of the information and check if it comes from a trusted website. Another part is creating digital content. Many people write posts, comments, or blogs online. When you share your ideas, you can use emojis, pictures, or videos to make your messages more 4_______. However, you should always think about how your words will affect others. It’s important to be kind and 5_______ when communicating online. Communicating with others is also a key part of digital literacy. The Internet lets you talk to people all over the world, but you need to use this tool responsibly. You should never share personal information like your address or phone number with 6_______. Also, mean comments can hurt others, so it’s better to avoid writing them. For students, digital literacy is especially important. Teachers expect them to use the Internet for 7_______, but they also need to know how to stay safe. Schools are teaching students how to spot fake news, protect their privacy, and use the Internet to 8_______ their learning. In the future, digital technology will keep changing. New apps, devices, and ways of communicating will appear. With good digital literacy skills, you can keep up with these changes and use the Internet to 9_______ your life and help others. The key is to be curious, 10. _______, and kind when you go online. 1. A. ability B. hobby C. problem D. game 2. A. true B. objective C. subjective D. helpful 3. A. trust B. evaluate C. ignore D. share 4. A. boring B. interesting C. difficult D. simple 5. A. rude B. kind C. angry D. sad 6. A. friends B. family C. strangers D. teachers 7. A. study B. play C. sleep D. eat 8. A. hurt B. improve C. stop D. forget 9. A. make worse B. improve C. change D. waste 10. A. careful B. careless C. rude D. slow 五、五选四（共 4 小题，每小题 2.5 分，共 10 分） 阅读下面短文，从方框内选择恰当的句子填入短文空白处，使短文内容完整、意思连贯。（选项中有一个多余选项） How Computers Changed the World Computers have changed almost every part of our lives. From work to school, communication to entertainment, they have made things faster and easier. 1_______ The first computers were huge, slow machines that only scientists could use. Today, we have small computers in our pockets (smartphones) that can do more than those early machines ever could. 2_______ Before the Internet, people sent letters or talked on the phone. Now, we can send messages, video call, or share photos with anyone, anywhere in the world, in seconds. 3_______ Teachers use computers to create lessons, and students use them to research information or take online classes. Even books are now available as e-books, making learning more convenient. 4_______ From doctors using computers to plan treatments, to scientists using them to solve big problems, computers have helped us do things we never thought possible. A. They have changed how we communicate. B. They have improved education and learning. C. They have become smaller, faster, and more accessible. D. They have made it harder to do simple tasks. E. They have helped us solve big problems in science and medicine. 参考答案 一、选词填空 1. program 2. invented; major 3. breakthrough 4. era 5. evaluate 6. download 7. subjective 8. Digital literacy 9. develop 10. created 二、适当形式填空 1. programmer 2. calculations 3. faster 4. 1981 5. faster 6. to evaluate 7. to communicate 8. interesting 9. know 10. digital 三、阅读理解 A 1. B 2. C 3. B 4. A 四、完形填空 1. A 2. C 3. B 4. B 5. B 6.C 7. A 8. B 9. B 10. A 五、五选四 1. C 2. A 3. B 4. E 学科网（北京）股份有限公司 $