外研版九上英语期中专项训练 【专题 09 阅读理解 20 篇（说明文）】 Artificial intelligence(AI) seems to be a hot topic. In which ways has it already changed or will change our lives?A Forbes (福布斯) article explained AI as follows. Finding medicine By dealing with a lot of messages, AI can find new medicines for different illnesses. As we all know, AI helped with the development of COVID- 19 vaccines (疫 苗 ). It cut time lines from 10 years to 10 months. It also helped find a protein’s structure (蛋白质结构). This means scientists can create protein-based medicine. Creating virtual (虚拟的) workplaces Many people had the experience of working at home because of COVID- 19. In the near future, VR, 5G and AI technologies will improve the virtual workplaces. Companies can copy themselves in a digital (数字的 ) world. Workers will play a virtual role in these companies as they work at home. They will not only work online, but also communicate virtually. Making the world smarter With high-speed chips, 5G and AI, smart objects can become faster and smarter. For example, smart customer controls in a clothes store will know what you like and suggest clothes for you. They will let you “try on” the clothes in a smart mirror and show what colors and sizes they have. 1．AI helped COVID- 19 vaccines . A．work better B．put into use within a shorter time C．deal with more patients D．spread to more places 2．More people will with the help of new technologies, such as VR, 5G and AI. A．work at home B．make more money C ． have more free time D．work far away from their homes 3．AI will improve virtual workplaces by . A．helping companies copy themselves in a digital world B ． helping workers work online C．helping workers communicate virtually D ． all of the above 4 ． What can we know about smart customer controls? A．They can suggest comfortable clothes you really like. B ．They can guide you to try on different clothes. C． They can show you around the store for free. 第 1 页 共 29 页 D． They can follow your advice and walk with you. 5．The main idea of the passage is . A ． how AI helps find new medicines B ． how AI changes our lives C ． how AI makes the world smarter D．how AI helps people work online and communicate virtually According to a research, more than 3 million people in the United States are vegetarians (素食主义者). What is driving this growth in the world? One reason might be that people want to protect the environment. Maybe you think it sound difficult for people to eat vegetables every day, especially since many popular dishes have meat in them. A study shows that the world’ s meat manufacturing ( 加 工 ) causes about 18 percent of the world’ s greenhouse gas emissions (排放). This is more than the emissions of all the world’s cars, trains and planes. Because of the study, today’s young people believe it’s wrong to kill animals for food. For many people, to be vegetarians simply means eating no meat, cheese or eggs, but going animal-free also applies to fashion and manufacturing. For example, leather (皮革) is used to make shoes and clothing. Every year more than 1 billion animals, from cows to horses to snakes, are killed to make products from their skins. Now, many brands are looking for other ways to improve their production. Nowadays, it is not surprising that your friend would like to be a vegetarian. Actually, in recent years, it is popular with many young or old people choose to eat vegetable only. They think it is a clever way for people to protect the environment. So, if you’re interested in protecting animals and saving the environment, you might want to be a vegetarian. 6．People in the United States don’t eat meat to A ．save money . B．protect the environment 7．The number in Paragraph 3 tells us C．keep healthy . A．the research is interesting B．the emission is serious C．the world is small D．the meat is delicious 8 ． The underline word “applies” in this passage means A．to see B．to improve 9．To kill animals for food is disagreed by A．teachers B．workers . C．to use D．to compete . C．young people D．writers 10．Which can be the best title for this passage? A．Learn how to be a vegetarian B．Vegetarian can protect the environment C．Learn how to protect the animals D．Meat can make you strong 第 2 页 共 29 页 D．teach students Some people have to use public transport. Some dislike it and some love it. If everyone has a car and drives anywhere they want to go, there will be serious traffic problems on the road. Luckily, trains are a good form of public tr