2021-2022学年高中英语 Unit 3Computers Using Language练习（含解析）新人教版必修2.doc

1、Unit 3Using Language. 单句语法填空1. Dont bother him, for the operator is busy downloading (download) some software in great need now. 2. This new virus (virus) has made his computer out of order, so he has to have it repaired. 3. The coach made a signal (signal) to his team to move quickly during the foo

2、tball match. 4. The twins look alike but have very different characters (character). 5. The cleaner was mopping (mop) the floor with a mop when the manager entered. 6. The typist is good at typing papers with computers. (type)7. With the help of an electronic (electricity) device (设备) the speakers v

3、oice can be heard clearly. 8. The sudden appearance (appear) of the teacher made the students become quiet at once. 9. His dream of being a university student is likely to come true (truly) in the near future. 10. It is crazy (crazily) of you to buy the car at such a high price. . 完成句子1. You can ask

4、 for help whenever you need it. 你随时都可以请求帮助。2. I often feel nervous while speaking English. 说英语时我常常感到紧张。3. Recently many accidents have arisen from/out of being short of experience. 最近很多事故起因于缺乏经验。4. He was absent from the lecture, for he thought it was boring. 他缺席了这次演讲, 因为他认为无聊。5. The teacher signale

5、d to the children to come inside. 老师示意孩子们进来。. 阅读理解AThe most frightening words in the English language are “Our computer is down”. You hear it more and more when you are on business. The other day I was at the airport waiting for a ticket to Washington and the girl in the ticket office said, “Im sorr

6、y, I cant sell you a ticket. Our computer is down. ”“If your computer is down, just write me out a ticket. ”“I cant write you out a ticket. The computer is the only one allowed to do so. ”I looked down on the computer and every passenger was just standing there drinking coffee and staring at the bla

7、ck screen. Then I asked her, “What do all your people do? ”“We give the computer the information about your trip, and then it tells us whether you can fly with us or not. ”“So when it goes down, you go down with it. ”“Thats right, sir. ”“How long will the computer be down? ” I wanted to know. “I hav

8、e no idea. Sometimes its down for 10 minutes, sometimes for two hours. Theres no way we can find out without asking the computer, and since its down it wont answer us. ”After the girl told me they had no backup (备用) computer, I said, “Lets forget the computer. What about your planes? Theyre still fl

9、ying, arent they? ”“I couldnt tell without asking the computer. ”“Maybe I could just go to the gate and ask the pilot if hes flying to Washington, ” I suggested. “I wouldnt know what gate to send you to. Even if the pilot was going to Washington, he couldnt take you if you didnt have a ticket. ”“Is

10、there any other airline flying to Washington within the next few hours? ”“I wouldnt know, ” she said, pointing at the dark screen. “Only IT knows. IT cant tell me. ”By this time there were quite a few people standing in lines. The words soon spread to other travelers that the computer was down. Some

11、 people went; some people started to cry and still others kicked their luggage. 【文章大意】文章主要讲的是电脑死机给人们带来的困扰和麻烦。1. What could the girl in the ticket office do for the passengers without asking the computer? A. She could sell a ticket. B. She could write out a ticket. C. She could answer the passengers

12、questions. D. She could do nothing. 【解析】选D。细节理解题。根据第四段“I cant write you out a ticket. The computer is the only one allowed to do so. ”可知, 当电脑死机时, 售票员无任何办法, 只能等电脑恢复过后, 才能售票。2. The last paragraph suggests that . A. a modern computer wont be downB. computers can take the place of humansC. sometimes a c

13、omputer may bring trouble to peopleD. there will be great changes in computers【解析】选C。推理判断题。根据最后一段内容可知当电脑死机时, 人们无可奈何, 只能等待, 即电脑死机给人们带来了烦恼和麻烦。3. The best title for the article is . A. When the Computer Is DownB. The Most Frightening WordsC. The Computer of the AirportD. A Different Travel【解析】选A。标题归纳题。

14、文章主要讲的是电脑死机给人们带来的一系列困扰和麻烦。BLaptop computers are popular all over the world. People use them on trains and airplanes, in airports and hotels. These laptops connect people to their workplaces. In the United States today, laptops also connect students to their classrooms. Westlake College in Virginia w

15、ill start a laptop computer program that allows students to do schoolwork anywhere they want. Within five years, each of the 1, 500 students at the college will receive a laptop. The laptops are part of a $10 million computer program at Westlake, a 110-year-old college. The students with laptops wil

16、l also have access to the Internet. In addition, they will be able to use e-mail to “speak” with their teachers, their classmates, and their families. However, the most important part of the laptop program is that students will be able to use computers without going to computer labs. They can work w

17、ith it at home, in a fast-food restaurant or under the treesanywhere at all! Because of the many changes in computer technology, laptop use in higher education, such as colleges and universities, is workable. As laptops become more powerful, they become more similar to desktop computers. In addition

18、, the portable computers can connect students to not only the Internet, but also libraries and other resources. State higher-education officials are studying how laptops can help students. State officials are also testing laptop programs at other universities, too. At Westlake College, more than 60

19、percent of the staff use computers. The laptops will allow all teachers to use computers in their lessons. As one Westlake teacher said, “Here we are in the middle of Virginia and were giving students a window on the world. They can see everything and do everything. ”【文章大意】本文主要介绍了电脑在教学中的作用。4. The ma

20、in purpose of the laptop program is to give each student a laptop to . A. use for their schoolworkB. access the InternetC. work at homeD. connect them to libraries【解析】选A。细节理解题。根据第二段可知这一电脑工程的目的是让学生更方便地做他们的作业。5. A window on the world in the last paragraph means that students can . A. attend lectures o

21、n information technologyB. travel around the worldC. get information from around the worldD. have free laptops【解析】选C。推理判断题。根据最后一段的描述可知在韦斯特莱克大学, 超过60%的职员使用电脑, 老师可以利用电脑教学。人们可以用电脑看很多东西, 做很多事情。所以说电脑为学生打开了通向世界的窗口, 即从世界各地获取信息。6. What can we infer from the passage? A. The program is successful. B. The prog

22、ram is not workable. C. The program is too expensive. D. We dont know the result yet. 【解析】选D。推理判断题。文章最后一段只说明了老师使用电脑教学给他们带来了便利, 但并没有说其不利影响, 故其结果是未知的。. 阅读填句1 The cruel reality: not very safe, potentially. Despite this, some simple steps are to make your online experience safe. Read on to find out the

23、easiest ways to make sure your information is kept safe. Manage passwords. Constantly changing your password has always been a basic form of protection. 2 First passwords should never include your personal information. So stay away from names and birthdates. Ideally, passwords should contain differe

24、nt letters, random numbers. Its better to have a very strong, long password that doesnt have any personal information. 3Deceptive phishing(网络钓鱼)is one of the most common types of trick. Its best to view all emails with care. Hackers can make emails look like real company emails. That can trick reade

25、rs into clicking on dangerous links. If doing so, you could end up introducing a virus to your computer or accidentally giving sensitive information to the wrong people. Use two-factor identification. Two-factor identification adds a second level of security to an account. Its a security option that

26、 requires a password as well as an additional piece of information only the user would know. Sometimes, its a code sent to your cellphone that has to be entered after a password. 4 Updated apps and operating systems are a must. Too often, users are unwilling to update their mobile devices. It seems

27、that updates only change the way your phones software looks. 5Be careful with public charging stations and Wi-Fi. Charging stations and Wi-Fi are a convenience provided to the public, but they can bring risks for they may be connected to another compromised(缺乏免疫力的)device. If you connect to Wi-Fi and

28、 then it asks you to download something, you shouldnt do that. A. View emails with a sharp eye. B. In fact, it can make your phone work fast, too. C. What should we do to keep our information safe? D. Actually, they often come with security improvements. E. The additional characteristic can keep you

29、r information much safer. F. How safe is personal information on your computer or cell phone? G. But what passwords to pick and how to manage them really matter. 【文章大意】本文讲述了一些保护手机和电脑信息, 防止信息被泄露的方法。1. 【解析】选F。根据空格后的回答The cruel reality: not very safe, potentially. 残酷的事实是网上信息和手机信息有潜在的泄漏危险。得知前面提问你的手机、电脑中

30、的信息有多安全。故选F。2. 【解析】选G。根据空格后的建议: 设置密码时不要用姓名或生日。密码要长且要包含无规律的数字和字母得知前面说到不仅要经常换密码, 而且密码的选择和管理至关重要。故选G。3. 【解析】选A。根据空格的位置得知空处属于小标题, 由下面的描述Its best to view all emails with care. 得知这里建议我们要留意恶意邮件的危险。故选A。4. 【解析】选E。根据空格前Its a security option that requires a password as well as an additional piece of informatio

31、n only the user would know. Sometimes, its a code sent to your cellphone that has to be entered after a password. 得知前面建议我们在设置密码时再添加一条只有自己知道的额外信息。下面要说这样做的好处。故选E。5. 【解析】选D。根据空格前It seems that updates only change the way your phones software looks. 得知这里建议我们经常升级手机应用, 看起来只是改变了手机软件的外观, 接下来要说其实还给予手机安全系统的提升。故选D。