Unit three The world onlineWelcome to the unit

Brainstorming Do you know how people keep in touch with each other?

What are they?postcards

What are they?

What are they?

What are they?Telegraphs and faxes

What are they?

Discussion Which one do you prefer to use to keep in touch with your friends ? Why?

postcardtelephonecomputer letter

What do we use the Internet for?

Make a comparisionCheaperEasy and convenient to compare a product with other online shopsPay by credit cardNot reliableDoubtful safety of paymentSome ads lie.Somewhat expensiveYou have to walk to other stores to compare the same product.You can examine the product.100% safety of paymentThe salesmen can not easily cheat you.

Brainstorming How many words can you think of related to the computer?keyboard , monitor, hard disk , printer, screen, speaker, program, cursor, mouse mat, hard disk drive

Search for information on the InternetTo search for certain information on the Internet, first of all, you must have access to the Internet and your computer must have certain program for browsing the websites. And we call these programs browsers.Requirements on your working environment and your computer

A picture of a web pageBack arrowRefreshHome pageWeb addressLinkminimizemaximizeclose

Part B try to understand the words of a web page.Search engineWeb addressHome pagewwwWebsiteWebpageLinkVirushacker

Some famous search enginesThis is a program that lets you search a website or the whole Internet to find information.

Try to explain these words in English This means to look at information with out a special goal.2. When you are looking for specific information, you can use it.3. When you find something on the Internet that you want to save into your computer, you can use it.4. If you have something you want to publish on the Internet from your computer, you can use it.

browseuploaddownloadsearch

5. When the information you are trying to see does not appear quickly, or the web page has a problem, you can click on it and the information may appear again without a problem.6. You can click on this button to return to a page that you might want to come.7. If you want to stop looking at a page, but you might want to come back to it later, you can use the button and the name of the page will stay at the bottom of your screen. If you click on the name again, the page will return to your screen.8. When you want to bring a page to full size, click this icon.9. When you finish viewing a page, you can click on this icon at the top right hand corner to exit the page. minimizeback arrowcloserefreshmaximize

This is a program that lets you search a website or the whole Internet to find information.2. This is the words between www. and .com, .net, .org, .edu, etc. where on the Internet you can find a website.3. This is the first page of a website, with links to all the other pages.4. This means the World Wide Web, also the first part of a website address.5. It includes all the pages at an address that make up the sites. 6. This is one page of a website.7. When you want to move to a new web page, you can click on this (a button, word or address).8. This is a type of computer code that can harm your computer.9. This is a person who tries to get private or protected information from websites illegally.web pagelinkweb addresswebsitesearch enginehome pagewwwhackervirus

Please do Part C on page 39.Do you know master these new words related to computer?

Computer and the Internet Guess the meaning of the following words :coder command computer language data processing digital computer display unit inline processing working storage

,

,

Abbreviations used in Internet chat roomsPart A LOL FYIKITBRBBTWTAYWTIACU ASAPGuessPKICLZMe2MPJPFPMPPLZSJBVSVIP

More interesting Internet words

ID flash

1314 1314920 1372 1414-147 1573 1711 1798 5306878384

B BB Bye Bye BBL BBS BC BD BF GF BL Blah-blah BOT BRB BS BT BT BTW Twitter:

^_^ ^.^ ^o^ ^_

Impact on languages: emoticons:- ) = :-(= sadness:-O= surprise:-D= great joy:-P= making a face:~-(= crying

Extension: Swap Shop Kyle McDonald, 26, lived with his girlfriend in Canada. Like thousands of young Canadian men, Kyle could not afford a house of his own, but he got an idea one day: why not exchange something he already owned for a flat? In July 2005, Kyle, starting with nothing more than a red paper clip, began to exchange things on the Internet. In just one year he had managed to land himself one-year rent-free accommodation in a smart flat in Phoenix.

From a clip to a flat

From a clip to a flatA trip to Yahk A cube van one recording contract One year free accommodation in Phoenix

A piece of news Police yesterday arrested eight suspects involved in producing and spreading a severe computer virus.Li Jun, a hacker from Wuhan, is accused of creating Xiongmao Shaoxiang (Panda burns joss-sticks), a virus that has hit millions of computers in the country since November 2006. Apart from Li, other seven suspects are accused of spreading various computer viruses including Xiongmao Shaoxiang. These suspects are also charged with making illegal profits by stealing accounts of computer games on QQ.

Genius or devil?

HomeworkWrite a passage about advantages and disadvantages of using the Internet.Preview the reading.