人教版高中英语课件： Book 2 Unit 3 computers warming up and Skiming.ppt

课题Book 2 Unit 3 computers Warming up&Skimming,Unit 3 Computers,As we know,the technology is powerful and it develops so quickly that many great inventions appear in human beings life.,Let me show some to you.,guessing game,The whole class will be divided into 3 groups,and each group send a student to stand before the platform,who guess what the object is and the rest of the group mates try to describe them(no movements)to let his or her group representative guess what the object is and the group mates who guess the object must use the following expressions:,I think it is In my opinion,it is I believe it is,1.I am a machine which is a good helper in doing house work.I wash clothes for people.Who am I?,I think it is a washing machine,HI-TECH,mobile phone,TV set,refrigerator,air-conditioner,plane,car,digital camera,robot,notebook computer,calculator,How much do you know about a computer?,Give the English name of the following pictures of the computer components(组件),DVD-ROM,monitor,screen,modem,scanner,keyboard,Host computer,printer,mouse,Floppy disk,What is it in English?,mouse鼠标,What is it in English?,Keyboard(键盘),Underline the correct option to form compound words.,Example:search a)engine b)motor c)disk,What are the whole names of the followings?,PC:IT:DVD:W.W.W:科学技术：人工智能：笔记本电脑：,Personal computer,Information technology,Digital video disc,World Wide Web,Science and technology,Artificial Intelligence,Notebook computer,A notebook computer/laptop,An abacus,A huge computer,A calculator,A PC,Next?,Unit 3,ReadingWho am I?,Listen to the tape and then answer the following questions:1.Find out the answer Who am I?2.Whats the main idea of the text?,Skimming,It is a computer.,The history/development of computers.,1.Who am I?,2.Whats the main idea of the text?,The first person,calculating machine,analytical machine,PC,laptop/notebook),Internet,?,universal machine,