1、 Unit 3The InternetPeriod 1Listening and Speakingwrite a blog post use a search enginechat onlinestream moviesgo onlinefrom.to.look up informationidentity card1.写博文写博文2.使用搜索引擎使用搜索引擎3.网上聊天网上聊天4.播放电影播放电影5.上网上网6.从从 到到 7.查询信息查询信息8.身份证身份证 write a blog post use a search enginechat onlinestream moviesgo on
2、linefrom.to.look up informationidentity card1.写博文写博文2.使用搜索引擎使用搜索引擎3.网上聊天网上聊天4.播放电影播放电影5.上网上网6.从从 到到 7.查询信息查询信息8.身份证身份证What is the Internet?The internet is the computer network which allows computer users to connect with computers all over the world.We are now connected by the Internet,like neurons i
3、n a giant brain.我们现在通过互联网连接起来我们现在通过互联网连接起来,就像大脑中就像大脑中的神经元的神经元。Stephen HawkingThe Internet is becoming the town square for the global village of tomorrow.互联网正在成为未来地球村的城镇广场互联网正在成为未来地球村的城镇广场。Bill Gates_ write a blog post_ use a search engine_ chat online BCD_stream movies and musicAWhat online activiti
4、es do you know?1.Look at the online activities in the box and match them with the pictures.Can you list some other online activities?play computer gameslearn whatever you are interested in,such as Englishwatch moviesshop onlineWhat can you do on the Internet?Surf the Internetsearch informationlisten
5、 to musicwatch movieschat with friendsTick the pictures of the activities that you like to do when you are online.How can you use the Internet to learn English?enjoy English songswatch English movies chat with foreigners onlineBefore you listen to the tape of Sams survey,pay attention to the four po
6、ints.strategiespeopletimeactivitiesreasonsAnna PaulJoeNameOnlineactivitiesReasons for using the Internettwo or three hours stream videos and music;look up information;chat with friends cheap and easytwo hours or moreuse a search engine to find information,videos and picturesto do homework;helpfulat
7、least an hourwrite blog poststo write sth interestingListen to the conversation and complete the table.Sam is doing a survey on online habits.He is now talking to his schoolmates Anna,Paul,and Joe.Time spent online every dayS:Hi,guys!Id like to ask you some questions about your online habits.First,h
8、ow much time do you spend online every day?Anna?A:It depends.Id say two or three hours.S:How about you,Paul?P:Oh,maybe about two hours.Sometimes more.What about you,Joe?J:Well,I think I spend at least an hour every day.S:What do you usually do online,Joe?J:I have a blog.Its like an online diary wher
9、e you write about something youre interested in.For example,I like basketball,so I write a lot on my blog about my favorite team.Its fun.A:I like to stream videos and music.That is,I watch videos and listen to music online.Its cheap and easy.Sometimes I look up information,too.With the Internet,I ca
10、n also chat with my friends anytime,anywhere.P:I usually use a search engine to do my homework.A search engine is a tool that helps you find what youre looking for.With it,I can find all the information,videos,and pictures that I need for my homework.Its so helpful.S:Great.It seems like you all use
11、the Internet every day.So what do you think life would be like without the Internet?J:No Internet?!Are you kidding?Life would be over!3.Listen again and fill in the blanks to complete the sentences.1.A blog _ an online diary where you write sth youre interested in._,I like basketball,so I write a lo
12、t on my blog about my favorite team.2.I stream videos and music._,I watch videos and listen to music online.3.A search engine _ that helps you find what youre looking for.is likeThat isis a toolFor exampleWhen you hear a word you dont know,pay attention to the next sentence or two to see if there is
13、 a definition.Definitions often begin with words like“its like”,“that is”,or“for example”.Listen for definitions4.Look at Activity 3 again.How are the words in italics defined?Write them in the correct brackets.A Use simpler words.B Use an example.C Compare to something.()()()streamblogsearch engine
14、A:How much time do you spend online every day?B:Oh,its hard to say.Sometimes Im too busy to go online.Sometimes I spend more than four hours online.How about you?A:It depends.Id say from half an hour to three hours.B:What do you usually do online?A:I listen to music,stream videos,or look up informat
15、ion.And you?B:Lots of things.I especially like to chat with my friends and family.By the way,whats your favourite app?A:Well,.Take turns to ask each other about your online habits.Pair workPay attention to the expressions in color:Read the sentence and notice which words are stressed.The Internet is
16、 becoming the town square for the global village of tomorrow.Internetbecomingtown squareglobal villagetomorrowMost sentences have two basic types of words:content words(实义词实义词)and function words(功能功能词词).Content words are usually stressed.实义词实义词：指：指有实在意义有实在意义，能，能独立承担句子成分独立承担句子成分，传递，传递重要信息的词，包括重要信息的词，
17、包括名词名词、动词动词、形容词形容词和和副词副词等。等。功能词功能词：没有实在意义没有实在意义，用来表达，用来表达词与词之间或句与词与词之间或句与句之间的关系句之间的关系，包括，包括助动词助动词、介词介词、冠词冠词、连词连词和代和代词等词等，把文本中的重要信息连接起来。，把文本中的重要信息连接起来。Read the poem about online safety and mark the words that should be stressed.Cyber SenseI always keep things secret when I go online.I never share the
18、 things that should be only mine.My email and my home address,my phone number and name These are things only I should know on websites or in games.And so I use a nonsense name for my net identity.When folks online ask who I am,I say,“Im Cyber Me.”And if I ever think that someone online isnt all that bad,I never ever meet them without telling Mum or Dad.2Listen to the poem and see if you got the stressed words right.3Review the words and chunks of the Unit 3Homework
