M7U3正式课件Welcome-to-the-unit-&-Word-power.ppt

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1、Do you know how people used to keep in touch with each other?BrainstormingWhat are they?postcardsWhat are they?lettersWhat are they?Telephones and mobile phonesWhat are they?telegraphsfaxesWhat are they?computersDiscussion Which one do you prefer to use to keep in touch with your friends? Why?postca

2、rdtelephonecomputer lettermobile phoneFunctions of the InternetSearch for informationKeep in touch with Do online shoppingother functionsA world of connections Internet variousto go to shops to buy things.Traditional shoppingAdvantagesDis-advantagesCheaper.Easy and convenient to compare a product wi

3、th other online shops.Pay by credit card.Not reliable.Doubtful safety of payment.Some ads lie.Somewhat expensive.You have to walk to other stores to compare the same product.You can examine the product.100% safety of payment.The salesmen can not easily cheat you.What other functions does the Interne

4、t have?share informationwatch TV series/matchespick up the VOA/BBC programupload/download sth.How to search for information on the Internet?To search for certain information on the Internet, first of all, you must have access to the Internet and your computer must have certain program(程序程序) for brow

5、sing the websites. And we call these programs browsers.To look at information without a specific goalIt includes all the pages at an address that make up the site.浏览浏览A Web PageBack arrowRefreshHome pageWeb addressLinkClick on this button to return to a page that you saw earlier.When the information

6、 you are trying to see does not appear quickly, or the web page has a problem, you can click on the refresh button and the information may appear again without a problem.This is the first page of a website, with links to all the other pages.When you want to move to a new web page, you can click on t

7、his.Minimize / Maximize / CloseSome famous search enginesA search engine is a program that allows you to search a website or the whole Internet to find information.Read Part A and understand what they mean in Chinese:browse search download uploadrefreshback arrow minimizemaximizeclose浏览浏览搜查搜查,查找查找下载

8、下载上传上传刷新刷新后退键后退键最小化最小化最大化最大化关闭关闭click点击点击search engineweb addresshome pagewww搜索引擎搜索引擎网址网址主页主页万维网万维网,互联网互联网Try to understand the words of a web page.websitewebpagelink网站网站网页网页链接链接Keys to Part C1.browse 2.search engine 3.web address4.web page 5.home page 6.back arrow7.refresh 8. minimize 9.downloadAbb

9、reviations:short form of a word(缩写词缩写词)1. laugh out loud2. keep in touch3. be right back4. by the way5. thanks again6. youre welcome7. see you8. as soon as possibleBTW LOL KIT BRB ASAP TA CU YW 1. Search for information on a variety of topics. (P33) 就各种话题搜索信息。就各种话题搜索信息。search The police searched the

10、 woods for the missing boy. a variety of ( many different types of things or people)She does a variety of fitness activities. 2. Keep in touch with others wherever you are in the world. (P33) 无论你在世界的任何地无论你在世界的任何地方都可以与他人保持联系。方都可以与他人保持联系。 whereverWe can go wherever you like.Wherever I go I always seem to bump into him.