Computers-and-the-Internet.ppt

1、Assignment 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

2、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。,Unit 23,Computers and the Internet,Lead-in,Do u have a P

3、C? A laptop? Which brand is your laptop? How did u get it? Do you surf the Internet everyday? How many hours do you stay online each day?,Whats the advantage of the Internet? A way to connect to the world. A way to get access to all kinds of information Are you good at typing? Are you obsessed by cy

4、ber games? How to prevent your computer from being infected with virus?,Do u know the parts of a PC?,Whats in the computer case? Make a match.,Mainboard Hard drive RAM Processor CD-ROM drive Sound card Graphic card,1. 硬盘 2. 内存 3. 声卡 4. 主板 5. 处理器 6. 显卡 7. 光驱,We dont use floppy disk any more.,Now I wa

5、nt to buy a laptop,I am at a laptop store, talking to the owner. What are we gonna say?,Good 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 inc

6、hes. 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。,Now you have the laptop,What can you do with it?,Make slides.,Search for information.,Shop onlin

7、e,Tell us your most used functions of QQ. Send instant messages QQ space updating QQ games QQ mail ,Dialogue 1,Read through it. And answer the following questions based on Dialogue 1. Vocabulary of Dialogue 1.,Extensively 广泛地 A faction of 一部分 Match the speed and accuracy of the computer 和计算机的速度、精确度相

8、当 Take the place of= replace,Undeniable 不可否认的 Manufacture 生产 Science fiction 科幻 Robot 机器人 Make up 编造,Questions,Why are computers being used more and more extensively in the world today?,What are the advantages for an individual to use a computer? Do you think one day computers will replace human bei

9、ngs? Why or why not?,Do you believe those fascinating science fiction stories about computers or robots that conquer man and the earth?,Dialogue 2,Read through it. vocabulary,Radiation Pornographic = porn Corrupt Go along with sb. = be with sb. (P 158) Be infected by a virus The browser crashed.,Web

10、page Install a firewall No wonder Disconnect Antivirus software Hacker Behave oneself Dabble in,Behave oneself：do things properly 约束自己；行为规矩、得体 你在聚会上举至得体吗？ Did you behave yourself at the party? 在宾客面前你规矩一点。 Please behave yourself before the guests. Dabble in 涉足 She dabbled her toes in the river. I dab

11、ble in writing poetry but I do it only for my own pleasure.,time-consuming be addicted to Health insafe information Less face-to-face communication Online crimes,Questions: What are computers negative effects on people?,Questions,How to prevent your PC from being infected with a virus? Do you think

12、it is necessary to update the antivirus software regularly?,Dialogue 3,Cybercaf 网吧 Cyber romance 网恋 Bulletin board 公告栏 BBS (Bulletin Board System) Be alert to 对保持警惕 他对任何响动都很警觉。 It is alert to every sound and movement . You must be alert to the coming danger. Have an ax to grind：have a purpose of one

13、s own 别有用心；居心叵测 I wasnt born yesterday.,Have you shopped online?,Take a look at the pix Describe the process of shopping online step by step. Youll be asked to repeat the process after weve learnt it.,1、Open the browser. 打开浏览器。,2、Put into the address and visit the webpage. 输入地址，访问网页,3、Log into the s

14、ystem. Put into your ID and the password.,4、Search for what you wanna buy. For example, I wanna buy a Blackberry. So you can put in Blackberry to the search bar.,5、Results will be shown on the screen. Compare the price, model Click one of them to open a new page.,6、Get to know more details of the ce

15、ll phone.,Dont forget to check the credibility of the seller. Use Wang Wang to communicate with the seller.,7、Place an order. 下订单,Put into your personal information: Address Addressee Cell phone number delivery,Confirm the information youve put into. Click the button to finish the order. Your parcel

16、 will be delivered to your door in a couple of days.,Watch a video clip,Answer the following questions. What was the date on which everything shown in the video happened? What is a Fire Sale? What are those steps?,It happened on July 4thIndependence Day. A Fire Sale is a 3-step attack on the entire na