B2U9新通用大学英语.ppt

Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master title style,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth levelFifth level,Click to edit Master title style,Click to edit Master title style,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Unit 9Living with Computers,1.,Learn computer-related words&expressions.,2.,Describe the way you use computers.,4.,Protect yourself online.,3.,Troubleshoot a problem.,Outline:,1.,Learn computer-related words&expressions.,Outline:,mainframe,monitor,keyboard,mouse,router,cable,Hardware,operating system,application,broadband connection,browser/explorer,virus killer,player,instant messaging,office software,computer games,Software,启动,boot,用户,user,口令,password,输入,type in.,设置,settings,图标,icon,点击,click(on the icon),双击,doubleclick,右击,rightclick,登陆互联网,log on to the Internet,文件夹,folder,更新,update,发布,release,上网,surf the net,黑客,hacker,防火墙,firewall,垃圾邮件,spam/junk mails,删除,delete,下载,download,上传,upload,访问链接,access the link,Vocabulary Exercises,（,p.184,）,Complete the sentence with a word or phrase in the box.Change the form where necessary.Each one can only be used once.,1.Oh,no!I just lost all the work I,ve done on the document because I forgot to _ the file.,2You can,t _ if the printer is not turned on.,3.To _ a word,move the cursor over the word and highlight it.,4.The warning tells you to delete the e-mail right away.Dont _ it,or your computer may crash.,5.You don,t have to type the entire paragraph again.Just copy and _ it where you need it.,6.I _ the icon and nothing happened.What did I do wrong?,7.The _ has a list of icons that provide a quick way to use computer commands.,8.To see more information on the product,_ to the bottom of the page.,9.Your article is great but a little too long.Could you _ a few paragraphs?,open save cut paste select click on toolbar scroll down print,save,print,select,open,paste,clicked,on,toolbar,scroll,down,cut,Outline:,1.,Learn computer-related words&expressions.,2.,Describe the way you use computers.,Exercise A(p.187),A.Check the different uses of computers you hear in the conversation.,e-mail coworkers listen to music play games,download files scan pictures make schedules,shop online chat do research projects,send attachments surf the Internet create a web page,Exercise B,B.Check each statement True or False.,True False,1.Lisa uses e-mail to communicate with her coworkers.,2.James says communication is a disadvantage of the Internet.,3.James says your computer always gives you only one answer,to a question.,4.Lisa feels that there are dangers for children on the Internet.,5.Lisa feels like she is an adult.,Exercise C,C.Complete each statement with the correct answer.,1.Lisa _ on her computer at work.,a.download pictures b.make schedules c.listens to music,2.Angelique thinks that _ is easy and fast on a computer.,a.researching projects b.shopping c.writing homework,3.Deepti thinks children need _ to use the Internet.,a.practice b.knowledge c.guidance,4.James says communication on the Internet is _.,a.inexpensive b.difficult c.slow,5.Angelique says spending too much time on a computer is _.,a.expensive b.not safe c.not a good idea,6.Deepti says she is a computer _.,a.programmer b.addict c.hacker,b,a,c,a,c,b,Part 1 We All Use Computer(p.188),Listen to the people talking about how they use their computers.Check each person,s activities.,Dave Grant(1),Cecilia Rivas(2),Michael Teoh(3),Isabelle Dewar(4),surfs the Internet,sends instant messages,scans pictures,downloads files,has joined a chat room,has created a website,has sent an attachment,Are You a Computer Addict?,Complete the consumer information card about your own computer use.,Speaking:,Can computers help you make money?,In what way?,p.179:Part 3 Want to Change Your Computer into a Cash Machine?,Listen to the following passage and fill in the blanks with the words you have hear.,There are hundreds of stories about 1_ people who quit their jobs to start businesses in their 2_,worked 80-hour weeks,sold their companies and wound up rich.This isnt one of them.,Instead,this is about the growing number of average people 3_.With the cost of necessities rising,more people are looking for low-risk ways to earn extra income.,The 4_ is a great place to shop and spend money,but its pretty great for making money too.,ambitious,garages,who are spending their leisure hours selling hobbies and services on home,computers and the Internet.,Web,p.179:Part 3 Want to Change Your Computer into a Cash Machine?,Listen to the following passage and fill in the blanks with the words you have hear.,More than half of all small businesses are based at home.Computers,5_,cell-phone technology and 6_ design software have all become cheaper and faster in recent years,making it easier to launch some type of at-home 7_ without sinking a lot of money into it.,8_,connect to the Internet and live in a household where the average annual income is$65 000.,“,You can reach large numbers of consumers instantly over the Internet,while 9_ at,Google,let consumers reach you just as quickly,says Pratt.The Web is an amazing marketplace.10_ Its easier than you think.,Internet access,web-page,enterprise,Most people who run an at-home business use a desktop computer,key-word searches,How can you turn your PC into a cash machine?,Should kids be allowed to use a computer?,Reading Comprehension:Read this passage entitled,Children and Computer,and answer the questions on page 188.,Part 2 Children and Computer(p.188),It,s easy for parents to get worried about their kids being left behind.But the truth is,two-year-olds,don,t need a computer,.Early-childhood experts agree that two-year-olds need experience in the,three-dimensional,world firstBy,three and a half,most children can learn to handle the mouse,.At this age,kids may not need a computer,but they,ll enjoy it.And,they,ll learn from it,often in,unanticipated,ways,.Judy Dalpeter,San Francisco,California,editor of,Technology and Learning,remembers that when her son was three,he loved a paint-box program that allowed him to position stamps of little figures on the screen.One day,she,overheard,him saying,“,I,ll put all these here because they,re food,and all these here because they,re animals.,”,She notes,“,Although the software hadn,t been designed to teach,classification,it allowed him to experiment with that idea on his own.,If you don,t have a computer,by the time your child goes to school,he,ll form his first impressions in the classroom.,“,That,s okay,”,says Brunner,“,in the same way that it,s okay for them to learn the alphabet at school.But,they,ll feel smarter and more predisposed to success if they,ve had used it at home.,”,By third or fourth grade,however,students may be at a definite disadvantage in both writing and research if they don,t have an at-home access to word processing programs.,Part 2 Children and Computer(p.188),Please listen to the passage and answer the questions.,1.Does a two-year-old need a computer?Why/Why not?,2.By three and a half,what can most children learn to do?,3.What does Judy,s son,s story show?,4.According to the passage,by the time a child goes to school,is it advisable to give him access to computers?,5.What is the main idea of the passage?,Two-year-olds don,t need a computer,because they need experience in the three-dimensional world first.,By three and a half,most children can learn to handle the mouse.,Children will learn from computer,often in unanticipated ways.,Yes,it is.,The passage mainly discusses when children should get access to computer.,Outline:,1.,Learn computer-related words&expressions.,2.,Describe the way you use computers.,3.,Troubleshoot a problem.,What problems have you ever come across using computers?,How did you solve them?,I,m freaking out.,Exercise A(p.178),A.Check each statement True or False.,T F,1.Every body is asking Bob computer questions.,2.Bob doesnt know how to solve Paul,s computer ,problems.,3.Bob never complains about troubleshooting his ,colleagues,computer problems.,4.Bob tells Cheryl to open the e-mail attachment ,she got.,5.Bob says he is working on something important.,6.Bob is sending instant messages to a friend.,Exercise B,B.Complete each sentence with the words you hear.Then write the number of the statement next to the person who said it.,1.,“,Im trying to _,but the _ wont work.,”,2.,“,My laptop _,but I can,t get it to do anything.I type on the _ and nothing happens.,”,3.,“,Somebody sent me an _,but I think it has _ in it.,”,print a file,printer,crashed,keyboard,e-mail,virus,Exercise C,C.Answer each question with an infinitive of purpose.,1.Why does Bob tell Marie to push the green button on the printer?,To _.,2.Why does Bob tell Paul to stick a paper clip on the side of the computer?,To _.,3.Why does Bob tell Cheryl to click on the No-Virus icon on the toolbar?,To _.,turn the printer on(turn on the printer),restart the computer,clean the computer and stop the virus,Outline:,1.,Learn computer-related words&expressions.,2.,Describe the way you use computers.,3.,Troubleshoot a problem.,4.,Protect yourself online.,Part 4 Watch Out for Spy(p.180),Listen to the passage and circle the letter of the correct answer.,Next time you,re online,it might be worthwhile to consider the dangers of surfing.Every time you visit a web site or open an 1._in your e-mail,you could be downloading a spy into your computer.,The,“,spy,”,is known as a keylogger(,键盘记录器,)-a software program that identity thieves can use to 2._ your online activity.And even if you,re careful,it,s probably impossible to find out if a keylogger is recording information like your credit card number or bank account 3._.,You won,t know it,s there;you won,t see your machine slow down;you won,t see anything unusual.It can just silently watch every letter you 4._ as if they,re standing over your shoulder.,attachment,track,type in,password,Part 4 Watch Out for Spy(p.180),Listen to the passage and circle the letter of the correct answer.,At least a third of online crimes can now be 5._to keylogging.Part of the reason for this is that the programs are legal to 6._and the crime is easy to7._.Typing,“,keylogger,”,into a simple Internet search engine returns multiple programs that are perfectly legal to buy.,Many parents use keylogging technology to 8._the web sites children are visiting,and some businesses use it to 9._worker activity.But in the hands of a hacker looking to steal your financial information,keyloggers are very dangerous.,And as more Americans turn home computers into personal banking and bill-paying centers,the chances for identity 10._ grow by the day.,It is a problem that is growing largely,and it,s growing largely because more and more people are keeping larger and larger amounts of data on their computers.,traced,obtain,commit,monitor,check up on,theft,Part 4 Watch Out for Spy(p.180),Listen to the passage and circle the letter of the correct answer.,1.What does the author remind the Internet surfers?,a.The danger of being infected with some computer viruses,b.The danger of becoming addicted to the net,c.The danger of opening an attachment,d.The danger of downloading a spy into the computer,2.What is a keylogger?,a.It is a computer virus.,b.It is a software program.,c.It is the name of an identity thief.,d.It is the name of a spy.,3.Can you know the existence of a keylogger?,a.Yes.Because you will see your computer slow down.,b.Yes.Because you will see something unusual.,c.No.Because you will see nothing unusual.,d.No.Because the spy is standing over your shoulder.,4.Why do so many criminals use this software program-keylogger?,a.Because the use of this program is hard to be noticed.,b.Because it is legal to obtain these programs.,c.Because criminals can get the programs for free through the Internet.,d.Because there are multiple programs available.,5.Why does the author warn that the illegal use of keyblogger is becoming a great danger?,a.Because many parents use it to check up on the Web sites children are visiting.,b.Because some businesses use it to monitor employee activity.,c.Because more and more people are keeping larger and larger amounts of data on their computers.,d.Hackers are looking to steal your financial information.,Text B:Vocabulary Activity,（,p.185,）,Write the computer problem for each definition.,1._,someone who uses computers to change or use information in another persons computer,2._,a set of instructions,put into a computer secretly,that can destroy information in the computer,3._,the illegal action of deceiving people in order to get money,friendship,etc.,4._,a person who uses the Internet to meet and take advantage of people,Internet fraud Internet predator computer virus hacker,hacker,computer virus,Internet fraud,Internet predator,Text B:,Comprehension Check,（,p.184,）,Check whether each statement is true(T)or false(F).,True False,1.More than 80 percent of computer users reported their computers,had been infected with viruses.,2.A hacker ruined several of Microsofts web servers by downloading,files containing confidential company information.,3.Carla White was mentioned as a typical good student.,4.Jeff King,s words indicated that their company was in a good state,because everyone was busy.,5.The purpose of this passage is that Internet really has some side,effects.,Text B,Discuss the Social Impact of the Internet,China Computers Face Virus,Epidemic,Four out of five computers in China,the worlds largest computer and Internet market,have been affected by computer viruses,according to a report in,the official state news service,China Daily,.,“,Only 16 percent of computer users reported they,were free from,any viruses in their computers,”,reports researcher,Zhang Jian.Viruses sent through the Internet are destroying information and causing too many computers to,crash,the China Daily said.,SOURCE,:,,无,.,的,不涉及,.,的,vi.,死机,崩溃,国家官方新闻机构,n.(,坏事的,),盛行,泛滥,中国日报,epidemic,(C.)a situation in which a disease spreads very quickly and infects many people,（疾病的）传播，流行,Are you aware of the,epidemic,of obesity in our country?,a sudden increase in sth bad or unpleasant