1、Lesson 2 WWW, Search Engine and E-mail,Warm-upUsually, by what kinds of means for us can we contact our friends in different place? Look at the following pictures, and tell us the ways that Mary and Cheng keep in touch with each other .,Mary, in American,Cheng, in China,Lesson 2 WWW, Search Engine a
2、nd E-mail,Warm-upWhere can we go to look up when we need some important information for a certain purpose?,Lesson 2 WWW, Search Engine and E-mail,ReadingThe World Wide Web (www), always called simply the Web, is a series of Internet software, which can realize global data sharing.,website,Lesson 2 W
3、WW, Search Engine and E-mail,Reading1. The client software, also called browser, can help users log on Internet with a computer and search wanted data from other computers, conducting them and then show them on the users screens. 在这个句子中，有三个并列的宾语补足语：log on, search, show. Conducting 现在分词做状语。 help sb d
4、o 帮助某人做 e.g. Tom has to help his father, who is too old to work.汤姆必须帮助他父亲，他父亲太老了，不能做些事情。,Lesson 2 WWW, Search Engine and E-mail,Reading2. The only thing that the users need to do is to use browser to get wanted data from Web servers. 用户需要做的只是用浏览器从网络服务器上得到所需要的数据。 此句的主要成分是：The only thing is to use bro
5、wser to get wanted data from Web servers. is to use 系动词做表语；to get wanted data 动词不定式做目地状语； that the users to do 定语从句，修饰only thing.,Lesson 2 WWW, Search Engine and E-mail,Reading3. Every Website page has its own file name, and with these identities users can track the data they want to get. identity“同
6、一、本体、身份” ，identity card 身份证 e.g. There is no clue to the identity of the thief, nothing to show who he is.没有线索查明这个窃贼是谁。 track 既可用做动词，译为“追踪”；也可用做名词，译为“足迹”。 be on the track of sb.追踪 e.g. 1) The hunter tracked the animal to its den. 猎人追踪动物至其窝穴。2) The hunter followed the tracks left by a bear. 猎人跟踪熊的足迹。
7、,Lesson 2 WWW, Search Engine and E-mail,ReadingBut when we dont know the Website address, or which Website the data user want is on, what can we do? Search engine can help us.,Lesson 2 WWW, Search Engine and E-mail,ReadingE-mail can send information to other clients at the same time, which can save
8、time and make efficiency.,Lesson 2 WWW, Search Engine and E-mail,Word List Expressionsa series of 系列 log on 在计算机上与服务器联接 a plenty of 许多 stand for 代表 host name 主机名,Lesson 2 WWW, Search Engine and E-mail,Word List Terms client software/ server software 客户软件/服务器软件 IP address IP地址 domain name 域名 website
9、page 网页 search engine 搜索引擎,Lesson 2 WWW, Search Engine and E-mail,For Further Study Words in the E-commerce fields 1派生法,Lesson 2 WWW, Search Engine and E-mail,For Further Study Words in the E-commerce fields 2合成法,Lesson 2 WWW, Search Engine and E-mail,For Further Study Words in the E-commerce fields 3缩合法,Lesson 2 WWW, Search Engine and E-mail,For Further Study Words in the E-commerce fields 4缩写法,
