ComuersandheInernePPT课件.ppt

1Assignment for Unit 17欢迎光临，需要帮忙吗？I like this dress very much.Does it come in red?Sorry,it is out of store.How about the green one?It really goes well with your skin tone.我能试穿一下吗？当然可以。你要什么尺码?Small/Medium/Large/extra large试衣间在那边。The fitting room is over there.Maam,you look stunning in that.你穿着好看极了。好吧，我要这一件了。Ill take this.多少钱？400刀。太贵了吧。怎么会？这是最新的款式。你试试这面料，touch the fabric,多舒服呀。但是，这已经超出我的预算了。It exceeds my budget.300怎么样？How about?350!这是我的底价了Final offer。Maam,你真是太会砍价了！You drive a hard bargain.我能用支付吗？抱歉，我们只接受 好的。2Unit 23Computers and the Internet3Lead-innDo u have a PC?nA laptop?nWhich brand is your laptop?nHow did u get it?nDo you surf the Internet everyday?nHow many hours do you stay online each day?4nWhats the advantage of the Internet?A way to connect to the world.A way to get access to all kinds of informationnAre you good at typing?nAre you obsessed by cyber games?nHow to prevent your computer from being infected with virus?5Do u know the parts of a PC?6Whats in the computer case?Make a match.Mainboard Hard driveRAMProcessorCD-ROM driveSound cardGraphic card1.硬盘2.内存3.声卡4.主板5.处理器6.显卡7.光驱7We dont use floppy disk any more.8Now I want to buy a laptopnI am at a laptop store,talking to the owner.nWhat are we gonna say?9Good morning.How can I help you?I want to buy a laptop.We have laptops made by different manufacturers.Which one do you prefer?Lenovo Thinkpad,please.Sure thing.What the display size do you prefer?12 inches.No problem.How about Thinkpad X230.Does it come with a webcam?Yes.What is the capacity of the hard drive?1TB.(Terabytes)/500GB(Gigabytes)Sounds good.Ill take it.接下来请大家用上周学到的内容，来完成该商品的支付。10Now you have the laptop11What can you do with it?Make slides.12Search for information.13Shop online14Tell us your most used functions of QQ.Send instant messagesQQ space updatingQQ gamesQQ mail15Dialogue 1nRead through it.nAnd answer the following questions based on Dialogue 1.nVocabulary of Dialogue 1.16nExtensively 广泛地nA faction of 一部分nMatch the speed and accuracy of the computern和计算机的速度、精确度相当nTake the place of=replace nUndeniable 不可否认的nManufacture 生产nScience fiction 科幻nRobot 机器人nMake up 编造17QuestionsnWhy are computers being used more and more extensively in the world today?18nWhat are the advantages for an individual to use a computer?nDo you think one day computers will replace human beings?Why or why not?19nDo you believe those fascinating science fiction stories about computers or robots that conquer man and the earth?202024/3/19 周二21Dialogue 2nRead through it.nvocabulary22nRadiationnPornographic=pornnCorrupt nGo along with sb.=be with sb.(P 158)nBe infected by a virusnThe browser crashed.nWebpagenInstall a firewallnNo wonder nDisconnectnAntivirus softwarenHackernBehave oneselfnDabble in23nBehave oneself：do things properly 约束自己；行为规矩、得体n你在聚会上举至得体吗？nDid you behave yourself at the party?n在宾客面前你规矩一点。nPlease behave yourself before the guests.nDabble in 涉足nShe dabbled her toes in the river.nI dabble in writing poetry but I do it only for my own pleasure.24ntime-consumingnbe addicted to nHealth ninsafe information nLess face-to-face communicationnOnline crimes Questions:What are computers negative effects on people?25QuestionsnHow to prevent your PC from being infected with a virus?nDo you think it is necessary to update the antivirus software regularly?26Dialogue 3nCybercaf 网吧nCyber romance 网恋nBulletin board 公告栏nBBS(Bulletin Board System)nBe alert to 对保持警惕n他对任何响动都很警觉。nIt is alert to every sound and movement.nYou must be alert to the coming danger.nHave an ax to grind：have a purpose of ones own 别有用心；居心叵测nI wasnt born yesterday.27Have you shopped online?nTake a look at the pixnDescribe the process of shopping online step by step.nYoull be asked to repeat the process after weve learnt it.281、Open the browser.打开浏览器。292、Put into the address and visit the webpage.输入地址，访问网页303、Log into the system.Put into your ID and the password.314、Search for what you wanna buy.For example,I wanna buy a Blackberry.So you can put in Blackberry to the search bar.325、Results will be shown on the screen.Compare the price,modelClick one of them to open a new page.336、Get to know more details of the cell phone.34Dont forget to check the credibility of the seller.Use Wang Wang to communicate with the seller.357、Place an order.下订单36Put into your personal information:AddressAddresseeCell phone numberdelivery37Confirm the information youve put into.Click the button to finish the order.Your parcel will be delivered to your door in a couple of days.38Watch a video clipAnswer the following questions.What was the date on which everything shown in the video happened?What is a Fire Sale?What are those steps?39It happened on July 4thIndependence Day.A Fire Sale is a 3-step attack on the entire national infrastructure.Step 1:Take out all the transportation.Step 2:Take out financial base and telecomsStep 3:Get rid of all the utilities,such as gas,water,electricity,nuclear.40AssignmentA is teaching B on how to shop online step by step.412024/3/19 周二42