高中英语 p2 warming up and reading课件 新人教版必修2 课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 3 computers,keyboard,mouse,monitor,screen,speaker,host computer,1.use computer for school work,2.play games on the computer,3.send emails to friends,4.surf the Web for fun,5.download music and films,6.chat online,7.search for information,8.look at photographs,9.do shopping online,How can we use the computers and the Internet?,How useful computers are!,Guess!,A toy?,A handbag?,Computers,Task 1 Skimming,1.Who is the speaker in this story?,A computer.,2.Whats the general idea of the passage?,The passage is mainly about the history,And development of computers.,Computers connect people _ together,Now,Computers were brought into _,1970s,The first family of computers connected to each other,_,The computer had grown _,1940s,Alan Turing wrote a book to describe _,1936,The Analytical Machine was built by Charles Babbage,_,The computer began as a _,1642,a calculating machine,1822,how computers could be made,1960s,peoples homes,all over the world,The history of computers,as large as a room,scanning,Read Para1 and find the topic sentence,1.Topic sentence,Over time I have been changed quite a lot,2.supporting details,calculating machine,analytical machine,universal machine,PC,laptop,careful reading,Read Para2 and find the topic sentence,1.Topic sentence,These changes only become possible as my memory improved,2.Supporting details,tubes,transistors,small chips,network,WWW,Read Para 3 and topic sentence,1.topic sentence,Since the 1970s many new applications have been found for me.,2.Supporting details,communications,finance,trade,robots,make mobile phones,madical operations,space rockets,explore the Moon and Mars,providing a life of high quality,Improvement,Mini-Writing,现在，电脑在我们日常生活中发挥着越来越重要的作用，请你运用本节所学重要语言知识并根据提示写一篇,80,字左右的短文。,提示：,借助电脑能处理很多事情，如听音乐、看比赛、,发,e-mails,等。,有些学生痴迷于上网，以致于厌烦了学习，有些,甚至因此走上犯罪道路。,就你个人而言，谈谈你对正确使用电脑的看法。,One possible vesion,Nowadays,the computer is playing a more and more important part in our daily life.,With the help of,the computer,we can,deal with,many things,such as listening to music,watching matches and sending e-mails.However,some students are,so,crazy about surfing the Internet,that,they get tired of study.Even some students break the law,as a result of,that.,Personally,I am not quite against surfing the Internet,in a way,.,But we should have a proper attitude towards the computer.,