Unit4AmazingScienceTopic3SectionC课件仁爱科普版（2012）九年级英语上册

Unit4AmazingScienceTopic3Chinaisthethirdnationthatsentapersonintospace.SectionCLearningaims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。Review【4.2B】WeknowthatKangkangwantstobe______________whenhegrowsup.However,Mariathinksthatheshouldfirst.anastronautmastersomebasiccomputerskillsReview【4.3B】WealsoknowthatKangkang_________________computertechnology.SoMr.Brown_______himtofindnewwaystomakecomputers_______usbetter.knowlittleaboutadvisesserveBrainstormCanyoulistsomeplaces(wherecomputersareused)?Thereisnodoubtthatcomputersplayanimportantpartinourdailylife.Fast-reading[Task1]Findoutthetopicsentenceofeachparagraph.[Task2]Thestructureofthetextis__.[Task3]Themainideaofthetextis__.[1]【Task1】[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.[1][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.

ProjectNowadays,smartphonesaswellascomputersplayanimportantpartinourdailylife.However,manystudentslosethemselvesinthem.Whatdoyouthinkofusingsmartphonesamongthestudents?

ProjectWriteacompositionbasedonyourmind-map.beginningsummarybodyTheImportanceofSmartphonesimportanceusageproblemsimportance+useproperlyTheImportanceofSmartphonesThereisnodoubtthatsmartphonesplayanimportantpartinourdailylife.Thenletmeintroduceittoyou.毫无疑问，智能手机在我们的日常生活中扮演着重要的角色。接着让我给你介绍一下。Asweallknow,cellphonesareveryusefulinmanyareasofworkandleisure.//Ontheonehand,phonesareusedtocontrolourhousesathome.Forexample,wecanusethemtoturnonthelightsorclosethedoor.Inbusiness,it'seasierforpeopletocommunicatewitheachother.Iftheyhavetroubleworking,theycansolvesomeproblemsintimebyface-to-facechatting.//Ontheotherhand,moreandmorephonesareusedforentertainment,suchaswatchingmovies,listeningtomusicandplayinggamesetc.Besides,it'sconvenientforustodoshoppingordobusinessathome.Peoplejustneedtoplaceorcancelordersontheirphones.众所周知，手机在工作和休闲的许多领域都很有用。//

一方面，电话在家里被用来控制我们的房子。例如，我们可以用它们来开灯或关门。在商业中，人们更容易相互沟通。如果他们在工作中遇到困难，他们可以通过面对面的聊天及时解决一些问题。//另一方面，越来越多的手机用于娱乐，如看电影，听音乐和玩游戏等。此外，在家里购物或做生意也很方便。人们只需要在手机上下单或取消订单。//第二段结构——总分

Everycoinhasbothsides.Ifweworkonphonestoolong,wemaygetheadachesorsoreeyes.Eventhoughtherearealsoso