Unit 4 Amazing Topic 3 Section C 课件+音视频 2025-2026学年仁爱科普版九年级英语上册

Unit4AmazingScienceTopic3Chinaisthethirdnationthatsentapersonintospace.SectionC一、掌握以下单词：entertainment,doubt,tiny,inside等。二、通过阅读进一步了解计算机在不同领域的使用。三、能够根据不同的阅读目的运用阅读策略获取信息，如预测、寻找主旨句、略读、寻读等，培养“读”的语言能力。LearningaimsReview【4.2B】WeknowthatKangkangwantstobe______________whenhegrowsup.However,Mariathinksthatheshouldfirst.anastronautmastersomebasiccomputerskillsReview【4.3B】WealsoknowthatKangkang_________________computertechnology.SoMr.Brown_______himtofindnewwaystomakecomputers_______usbetter.knowlittleaboutadvisesserveBrainstormCanyoulistsomeplaces(wherecomputersareused)?Thereisnodoubtthatcomputersplayanimportantpartinourdailylife.Weusecomputersfor_____in_____.Fast-reading[Task1]Findoutthetopicsentenceofeachparagraph.[Task2]Thestructureofthetextis__.[Task3]Themainideaofthetextis__.TheImportanceofComputersSincecomputerswereinventedintheUSAinthe1950s,theyhavebecomeveryimportantinmanyareasofworkandleisure.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.Inspace,computershavebeenusedtocontrolthespeedanddirectionofaspaceship.Withthehelpofcomputers,doctorscanfinddiseaseseasilyandsolveotherproblems.Forexample,tinycomputerswhichareinsidepatients’bodiescankeeptheirheartsbeatingnormally.Infactories,robotsarecontrolledbycomputersthatarelikehumanbrains.Theycandoworkthatisdangeroustohumans.Inbusiness,computersareusedtoplaceandcancelorders.Theyarealsomakingtheworkplacesaferandbetter.[1]【Task1】SincetheInternetcameintobeing,people’slivesathomehavebeenchanged,too.Moreandmorepeoplehavepersonalcomputersthatareusedtoplaygamesandwatchmovies.ThankstotheInternet,peoplecandoshoppinganddobusinessathome.Insteadofwritinglettersonpaper,peoplecommunicatebysendinge-mailsandchattingonline.Thewholeworldisconnected.TheInternetismakingtheworldsmaller,likeavillage.Computershaveimprovedourlives,buttheyhavebroughtproblems,too.Forinstance,ifweworkoncomputerstoolong,wemaygetheadachesorsoreeyes.Ifweplaycomputergamestoomuch,wewon’thaveenoughtimetostudyorexercise.Besides,noteverythingwereadontheInternetistrueorgoodforus.Computershelpusatworkandathome,buttheymustbeusedproperly.[2][3]①总述：电脑两个作用②分述：举例说明作用

作用1：作用2：forworkforfun③总述：有用但有缺点👇正确使用【Task2】themainideaofthepassage___________________________Theimportanceofcomputers【Task3】Careful-reading1bCompletethefollowingdiagram.

computersusageproblemworkdailylife______________________________________ofaspaceship.helpdoctors_____________________________._______________________________infactories.helpbusinessmen_____________________________________.playgamesand__________________________._______________and_________________athome.___________________bysendinge-mailsand________________.getheadachesor_____________________.don’thaveenoughtime__________________.somethingontheInternetisnot________________.controlthespeedanddirectionfinddiseaseseasilycontroltherobotsplaceandcancelorderswatchmoviesdoshoppingdobusiness

communicatechattingonlinesoreeyestostudyorexercisetrueorgood1aListen,lookandsay.TheImportanceofComputersSincecomputerswereinventedintheUSAinthe1950s,theyhavebecomeveryimportantinmanyareasofworkandleisure.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.Inspace,computershavebeenusedtocontrolthespeedanddirectionofaspaceship.Withthehelpofcomputers,doctorscanfinddiseaseseasilyandsolveotherproblems.Forexample,tinycomputerswhichareinsidepatients’bodiescankeeptheirheartsbeatingnormally.Infactories,robotsarecontrolledbycomputersthatarelikehumanbrains.Theycandoworkthatisdangeroustohumans.Inbusiness,computersareusedtoplaceandcancelorders.Theyarealsomakingtheworkplacesaferandbetter.[1]SincetheInternetcameintobeing,people’slivesathomehavebeenchanged,too.Moreandmorepeoplehavepersonalcomputersthatareusedtoplaygamesandwatchmovies.ThankstotheInternet,peoplecandoshoppinganddobusinessathome.Insteadofwritinglettersonpaper,peoplecommunicatebysendinge-mailsandchattingonline.Thewholeworldisconnected.TheInternetismakingtheworldsmaller,likeavillage.Computershaveimprovedourlives,buttheyhavebroughtproblems,too.Forinstance,ifweworkoncomputerstoolong,wemaygetheadachesorsoreeyes.Ifweplaycomputergamestoomuch,wewon’thaveenoughtimetostudyorexercise.Besides,noteverythingwereadontheInternetistrueorgoodforus.Computershelpusatworkandathome,buttheymustbeusedproperly.[2][3]Post-readingFindouttheattributiveclausein1aandtranslatethem.1.Forexample,tinycomputers(whichareinsidepatients'bodies)cankeeptheirheartsbeatingnormally.2.Infactories,robotsarecontrolledbycomputers(thatarelikehumanbrains).3.Theycandowork(thatisdangeroustohumans).4.Moreandmorepeoplehavepersonalcomputers(thatareusedtoplaygamesandwatchmovies).5.Besides,noteverything(wereadontheInternet)istrueorgoodforus.Post-readingRetell1aaccordingtothemindmap.computersusageproblemworkdailylife1.games/movies2.shopping/business3.communicate1.head/eyes2.study/exercise(notime)3.nottrueorgood1.inspace2.inhospitals3.infactories4.inbusiness2WriteashortpassagewiththetitlewithOneDayWithoutComputers.Thefollowinginformationmayhelpyou.Supposeyouwereonaspecialdayin2030.Duringtheday,therewerenocomputersintheworld.Whattroublewouldyouhave?OneDayWithoutComputersToday,whenIgotup,Ijustturnedonthecomputerasusual,butitdidn’twork.ThenItriedmybrother’sPC,myparents’,evenmydog’s,butnoneofthemworked.Later,itwasreportedonTVthatallofthecomputersintheworldbrokedowntoday…OneDayWithoutComputers

Today,whenIgotup,Ijustturnedonthecomputerasusual,butitdidn’twork.ThenItriedmybrother’sPC,myparents’,evenmydog’s,butnoneofthemworked.Later,itwasreportedonTVthatallofthecomputersintheworldbrokedowntoday.Sotheworldisquitedifferent.Forinstance,wecan’tplaygames,watchmoviesordoshoppingathome.Besides,wecan’tcommunicatebysendinge-mailsorchattingonline.Withoutthehelpofcomputers,businessmencan’tplaceorcancelordersonline.Teacherscan’tgivelessonstotheirstudents.What’sworse,robotscontrolledbycomputerscan’tdodangerousworkforhumans.Eventhedoctorscan’tfindthediseaseseasily.Inshort,wealmosthavetroublewitheverythingwithoutcomputerstoday.