computersreading(教育精品).ppt

《computersreading(教育精品).ppt》由会员分享，可在线阅读，更多相关《computersreading(教育精品).ppt（9页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、-Reading Unit 3 computersMedical operationsMedical operationstypetypeDo shoppingDo shoppingControl space rocketsControl space rocketsDo businessDo businessSearch informationSearch informationDO office workDO office workEducationEducation CommunicationCommunicationEntertainmentEntertainmentWhat can c

2、omputers be used to do in our daily life?What can computers be used to do in our daily life?What is the writing style of the passage?A.narration(记叙文）记叙文）B.argumentation(议论议论文）文）C.exposition(说明文）说明文）It is a computer.Skimming:Read for structure Find out the topic sentence in each paragraph.Over time I

3、 have been changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Para 1Para 2Para 3Supporting detailsPara 1：Over time I have been changed quite a lot.timechanged1642:_1822:_ :_1940s:_ The first family of computers wa

4、s connected to each other.1970s:_Now:Computers connect people all over the world together.The computer began as a calculating machine.The analytical machine was made by Charles Babbage.Alan Turing wrote a book about how computers could be made to work as a universal machine.The computer had grown as

5、 large as a room.1960sComputers were used in offices and homes.1936numbers facts1.Over time my memory became so much that,like an elephant,I never forget anything I have been told!tubesPara 2：These changes only became possible as my memory improved.transistorschips2.And my memory became so large tha

6、t even I couldnt believe it!simile(明喻）明喻）Jiuzhaigou is so beautiful that,like a paradise,I never forget anything I have seen!九寨沟如此漂亮，就像天堂一样，我绝不会忘记任何看到的。Supporting details:Para 3:Since the 1970s many new applications have been found for me.become important in:have also been put into:have even been pu

7、t into:communication,finance and trade robots,mobile phone,medical operation space rockets,explore the Moon and Mars give examplesWho am I?I am a devoted friend and helper of the human race.Who am I?Para 1:Over time I have been changed quite a lot.Para 2:These changes only became possible as my memo

8、ry improved.Para 3:Since the 1970s many new applications have been found for me.Supporting details:numbers facts similegive examplesMake a summaryOver time computer has been changed quite a lot because of the improvement of its memory.Computer,a devoted friend and helper of the human race,has been used in many new applications.1642began calculating France1822The Analytical Machine Charles Babbage 1936Alan Turing wrote built 1940sAs large asconnected share talk 1970sBecome very important in nowdeal with communicate 1960sConsolidation:Retelling