高中英语Unit3Computersreading课件新人教版必修2.ppt

《高中英语Unit3Computersreading课件新人教版必修2.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Amotto(格言)toyou,myfriendsLetusfacethereality,sothatwearecommittedtoourideal.让我们面对现实，让我们忠于理想。Memorycompetition记忆大比拼3211.Howmanypictureshaveyouseen?2.Canyourememberwhattheyare?PDAabacuscalculatorhugecomputerPClaptopthedevelopmentofthecomputerWhat’snext?theearl

2、iestcomputerthepresentcomputerHowdoesitchange?WhoamI?1.Tolearnsomeknowledgeandthedevelopmentofcomputers.2.Tolearnsomereadingskills(scanning扫读andsummarizing总结).3.Tobeabletotelltheadvantagesanddisadvantagesofcomputers.Today'stask1.Inthepassage,“I”refersto(指的是)

3、_________.2.Thetextiswritteninthe______person(人称),whichmakesthetextsimple,vivid(生动的)andinteresting.3.Underline(划出)thetopicsentenceofeachparagraphinyourbooks.firstStepI:Scanning(略读)Scanthepassage,andanswerthefollowingquestions.acomputerFast-readingTips(提示):Th

4、etopicsentenceisoftenthefirstorlastsentenceinaparagraph.3.Thetopicsentenceofeachparagraph.Paragraph1:paragraph2:paragraph3:Conclusion:Thewholepassageismainlyabout_________________________________.OvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossib

5、leasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.thedevelopmentandtheapplicationsofcomputers.StepII:Detailedreading1.ReadPara.1in3minutesanddescribe(描述)thedevelopmentofcomputers.Herearesomeclues(线索)onyourpaper.Para.11936182216421940sno

6、wacalculatingmachineananalyticalmachineCharlesBabbageauniversalmachineAlanTuringahugecomputer,aslargeasaroom,OvertimeIhavechangedquitealot.1960s1970sAfamilyofcomputerswasconnectedbyanetwork.Computersconnectpeopleallovertheworldtogether.apersonalcomputerandal

7、aptop,andusedinofficesandhomessincethe1970s…Thecomputer__________________machine．1822AlanTuring_____________________howcomputerscouldbemadetowork．Computershad________________aroom.1960sFirstas_____andthen________computerswereusedinofficesandhomes.Computersco

8、nnectpeopleallovertheworldtogether.Afamilyofcomputerswasconnectedbyanetwork.The_________machinewasmadebyCharlesBabbage.beganasacalculatinganalyticalwroteabooktodescribegrownaslargeasaPCasalaptop