1、单元检测卷：Unit 3阅读下列短文，从每题所给的（A、B、C、D）中，选出最佳选项A Laptop computers are popular all over the world. People use them on trains and airplanes, in airportsand hotels. These laptops connect people to their workplace. In the United States today, laptops also connectstudents to their classrooms. Westlake College
2、 in Virginia will start a laptop computer program that allows students to do schoolworkanywhere they want. Within five years, each of the 1500 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 l
3、aptops will 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 laptopprogram is that students will be able to use computers without going to computer labs. They can
4、 work with it at home, in afast-food restaurant or under the trees-anywhere at all! Because of the many changes in computer technology, laptop use in higher education, such as collegesand universities, is workable. As laptops become more powerful, they become more similar to desktopcomputers. In add
5、ition, 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. Stateofficials are also testing laptop programs at other universities, too. At Westlake College, more than
6、 60 percent of the staff use computers. The laptops will allow all teachersto use computers in their lessons. As one Westlake teacher said, Here we are in the middle of Virginia andwere giving students a window on the world.They can see everything and do everything.1. The main purpose of the laptop
7、program is to give each student a laptop to _.A. use for their schoolworkB. access the InternetC. work at homeD. connect them to libraries2. Which of the following is TRUE about Westlake College?A. All teachers use computers.B. 1500 students have laptops.C. It is an old college in America.D. Student
8、s there can do everything.3. “A window on the world” in the last paragraph means that students can _.A. attend lectures on information technologyB. travel around the worldC. get information from around the worldD. have free laptops4. What can we infer (推断)from the passage?A. The program is successfu
9、lB. The program is not workable.C. The program is too expensive.D. We dont know the result yet.BAs Internet users become more dependent on the Internet to store information, are people remembering less? If you know your computer will save information, why store it in your own personal memory, your b
10、rain? Experts are wondering if the Internet is changing what we remember and how. In a recent study, Professor Betsy Sparrow conducted some experiments. She and her research team wanted to know how the Internet is changing memory. In the first experiment, they gave people 40 unimportant facts to typ
11、e into a computer. The first group of people understood that the computer would save the information. The second group understood that the computer would not save it. Later, the second group remembered the information better. People in the first group knew they could find the information again, so t
12、hey did not try to remember it. In another experiment, the researchers gave people facts to remember, and told them where to find the information on the computer. The information was in a specific computer folder (文件夹). Surprisingly, people later remember the folder location (位置) better than the fac
13、ts. When people use the Internet, they do not remember the information. Rather, they remember how to find it. This is called transactive memory (交互记忆) According to Sparrow, we are not becoming people with poor memories as a result of the Internet. Instead, computer users are developing stronger tran
14、sactive memories; that is, people are learning how to organize huge quantities of information so that they are able to access it at a later date. This doesnt mean we are becoming either more or less intelligent, but there is no doubt that the way we use memory is changing.5. The passage begins with
15、two questions to _. A. introduce the main topicB. show the authors altitude C. describe how to use the Interne. D. explain how to store information6. What can we learn about the first experiment?A. The Sparrows team typed the information into a computer.B. The two groups remembered the information e
16、qually well.C. The first group did not try to remember the information.D. The second group did not understand the information.7. In transactive memory, people _.A. keep the information in mindB. change the quantity of informationC. organize information like a computerD. remember how to find the info
17、rmation8. What is the effect of the Internet according to Sparrows research?A. We are using memory differently.B. We are becoming more intelligent.C. We have poorer memories than before.D. We need a better way to access information.CSince the Internet came into homes, the daily life has never been t
18、he same again. But the thing that worries most of us is that we can get viruses from the Internet. But can we catch viruses on our cell phones? A new study in the journal Science says yes, but the spread of such mobile software that can bring harm to our cell phones wont reach dangerous levels until
19、 more cell phones are on the same operating system.Computers are easily attacked by viruses because they share data, especially over the Internet. Of course, nowadays, more people are using their cell phones more and more frequently. They use them for emailing, text messaging and downloading ring to
20、nes, etc., so it is evident that cell phone viruses are a threat as well.Scientists used nameless call data from more than six million cell phone users to help model a possible outbreak. And they concluded that viruses that spread from phone to phone by Bluetooth are not much concerned, because user
21、s have to be in close physical relation for their phones to “see” one another. However, viruses that spread through multimedia messaging services can move much faster, because they can come in disguise（伪装）, such as a cool tune sent by a friend. The good news is that to be effective, these viruses ne
22、ed their victims(受害人) to all use the same operating system, which not enough of us do. Thank goodness.9. What is the passage mainly about?A. The operating system of cell phones. B. The threat of cell phone viruses.C. The wide use of cell phones. D. Computer viruses.10. When _, cell phone viruses can
23、 be dangerous.A. all the cell phones work on the same operating systemB. Microsoft operating system for cell phones is createdC. users can see each other on the phones D. Bluetooth is widely used11. What can we infer about Bluetooth according to the scientists?A. It can increase the chances of cell
24、phone viruses greatly.B. It can help us to stop the spreading of cell phone viruses.C. It wont possibly cause the outbreak of cell phone viruses.D. It can make users have close physical relation with one another.12. We can learn from the passage that _.A. it is impossible to catch viruses on our cel
25、l phonesB. cell phones are not well connected with the InternetC. it is dangerous for people to download ring tones to cell phonesD. more than one operating system is used for cell phones nowDA jobless man applied for the position of office boy at Microsoft. The manager interviewed himand then watch
26、ed him cleaning the floor as a test. You are employed, he said. Give me your e-mail address and Ill send you the application to fill in,as well as date when you may start. The man replied, But I dont have an e-mail. Im sorry, said the manager. If you dont have an e-mail, that means you do not exist.
27、 Andwhoever doesnt exist cannot have the job. The man left with no hope at all. He didnt know what to do, with only ten dollars in his pocket. Hethen decided to go to the supermarket and buy 10kg tomatoes. He then sold the tomatoes from door todoor. In less than two hours, he succeeded in doubling h
28、is money. He repeated the practice three times,and returned home happily with 60 dollars. The man realized that he can survive in this way, and started to go every day earlier, and return late.Thus, his money doubled or tripled every day. Shortly, he bought a cart, then a truck, and then he hadhis o
29、wn fleet of delivery vehicles. Five years later, the man is one of the biggest food retailers in the US. He started to plan his familys future and decided to have a life insurance. He called an insurance broker(代理人) and chose a protection plan. When the conversation was concluded，the broker asked hi
30、m his e-mail. The man replied, I donthave an e-mail. The broker answered curiously, You dont have an e-mail, and yet have succeeded in building anempire.Can you imagine what you could have been if you had an e-mail? The man thought for a while and replied, Yes, Id be an office boy at Microsoft!13.Wh
31、y cant the man have the job at Microsoft?A. Because he was lazy. B. Because he didnt pass the test.C. Because he didnt have an e-mail. D. Because he didnt have a computer.14. According to the passage, which of the following is TRUE?A. The man is one of the biggest food retailers in the world.B. The
32、man didnt give up though he failed the interview.C. He started his career by selling tomatoes in the supermarket.D. Those who have e-mails can work at Microsoft.15. The man can be described as _.A. helpful and considerateB. positive and generousC. smart and hardworkingD. stubborn and unselfish七选五The
33、 Internet has opened up a whole new online world for us to meet, chat and go where weve never been before. But just as in face-to-face communication, there are some rules of behavior that should be followed whenon line. 16Imagine how youd feel if you were in the other persons shoes. For anything you
34、re about to send, ask yourself, Would I say this to the persons face? if the answer is no, rewrite and reread.17 If someone in the chat room is rude to you, your instinct (本能) is to fight back in the same manner. But try not to do so.18If it is caused by a disagreement with another member, try to fi
35、x the situation by politely discussing it. Remember to respect the beliefs and opinions of others in the chat room. 19Offer advice when asked by newcomers, as they may not be sure what to do or how to communicate. When someone makes a mistake, whether its a stupid question or an unnecessarily long a
36、nswer, be kind aboutit. If its a small mistake, you may not need to say anything. Even if you feel strongly about it, think twice before saying anything. Having good manners yourself doesnt give you license to correct everyone else. 20At the same time, if you find you are wrong, be sure to correct y
37、ourself and apologize to those that you have offended(冒犯). It is not polite to ask others personal questions such as their age, sex, and marital status. Unless you know theperson very well, and you are both comfortable with sharing personal information, dont ask such questions.A. Everyone was new to
38、 the network once.B. If you do decide to tell someone about a mistake, point it out politely.C. Its natural that there are some people who speak rudely or make mistakes online.D. The basic rule is simple: treat others in the same way you would want to be treated.E. You should either ignore the perso
39、n, or use your chat software to block their messages.F. When you send short messages to a person online, you must say something beautiful to hear.G. Repeat the process till you feel sure that youd feel comfortable saying the words to a persons face.完形填空Computer hackers (黑客) have now got their hands
40、on mobile phones. A phone virus (病毒) can21your phone do things you have no control over, computer security (安全) experts22. It might23the WhiteHouse or the police, or forward your personal address book to a marketing company. Or it could simply eatinto the phones operating software, turning it24and e
41、rasing your personal information. Similar viruses have already made mobile phone owners25in Japan and Europe. Ari Hypponen, chief technical officer of a computer security in Finland, said a virus “can get your26andsend them elsewhere. And it can record your27”. Mobiles are now able to surf the Net,
42、send emails and 28 software, so they are an easy29for the same hackers who have sent viruses to computers over the lastdecade. Its technically30now, said Stephen Trilling, director of research at anti-virus31maker Symantec Corp based in the US.If the phone is connected to the32, it can be used to tr
43、ansmit(传递) threats and 33targets, just as any computer can. In Japan, if you opened a certain email message34your mobile, It would cause the phone to repeatedly 35the national emergency number. So phone operators had to36emergency calls until the bug was 37. In Europe, mobiles short message service,
44、38SMS, has been used to send codes that could damagephones. Mobile users can39viruses, of course, by sticking to their traditional phones40Web links, someexperts said.2l. A. get22. A. speak23. A. lead24. A. off25. A. interested26. A. messages27. A. voice28. A. make29. A. job30. A. impossible31. A. h
45、ardware32. A. computer33. A. strike34. A. in35. A. send36. A. cancel37. A. remained38. A. and39. A. stop40. A. inB. force B. talk B. cause B. out B. angry B. passages B. passwords B. destroy B. task B. possible B. software B. television B. visitB. by B. dial B. keep B. cleaned B. nor B. avoid B. wit
46、hC. makeC. tellC. controlC. downC. excitedC. newsC. musicC. downloadC. signalC. usefulC. computerC. InternetC. inquireC. onC. countC. stopC. calledC. orC. killC. overD. damage D. say D. call D. on D. terrified D. information D. address D. develop D. target D. valuable D. material D. radio D. attack
47、D. with D. press D. prevent D. cleared D. but D. find D. without语法填空Inawaycomputerscanbeconsideredatechnologicalrevolutionbecausetheyhave“artificialintelligence”sothattheycansimplifydifficultsums,“think” 41 (logical)andsolveanydifficultmathematicalproblem.Withthedevelopmentofthenetwork,computershave
48、becomeveryimportantin 42 (communicate),financeandtrade,andpeopleallovertheworldcansharetheirknowledge 43 othersthroughtheWorldWideWeb.NowadaysboysandgirlsevenusetheirmobilephonestosurftheInternet.InordertoexplorethemoonandMars,computershavealreadybeenputintospacerockets.In 44 word,computerscannearly
49、dealwithmostproblemsinlife.Withthehelpofcomputers,thegoalofthe humanracewill 45 (turn)intoreality. However,justasasaying 46 (go),“Everycoinhastwosides.” Personally,ifyoudontusecomputersproperly,something 47 (comfortable)willhappen.Forexample,computergames 48 (programme)byoperatorsaresowonderfulthata
50、lotofyoungpeoplelovethemverymuch.Theyevenplaythegames 49 (total)dayandnightwithoutgoingtoschool.Asaresult,theyfailintheirlessons.Sometimesifyoudownloadsomething,viruses 50 canmakeyourcomputerbreakdownwillarise. Anyhow,ifyouhaveacomputer,yourlifewillbefilledwithhappiness短文改错The teenage year from 13 t
51、o 19 were the most difficult time for me. They were also the best and worse years in my life. At the first, I thought I knew everything and could make decisions by yourself. However, my parents didnt seem to think such. They always tell me what to do and how to do it. At one time , I ever feltmy par
52、ents couldn t understand me so I hoped I could be freely from them. I showed them I was independent by wear strange clothes. Now I am leaving home to college. At last, I will be on my own, but I still want to have my parents to turn to whenever need help.Unit 3阅读理解：第一篇 ACCD 第二篇 ACDA 第三篇 BACD 第四篇 CBC
53、七选五：DGEAB完形填空：21-25: CDDAB 26-30: ABCDB 31-35: BCDCB 36-40: CDCBD语法填空：41.logically munication 43.with 44.a 45.be turned 46.goes 47.uncomfortable 48.programmed 49.totally 50.that/which短文改错：51.year改为years 52.worse改为worst 53. 去掉the 54. yourself改为myself 55.such改so 56. tell改为told 57. freely改为free 58.wear改为wearing 59.to改为for 60.need前加I