Unit3ComputersReadingLookatthefollowingpicturesandsaytheirEnglishnames.I.WarmingupabacuscalculatorWarminguphugecomputerPCWarminguplaptopPDAWarminguprobotWhat’snext?Discusswithyourpartnerthefollowingquestions.•Whatdothesepictureshaveincommon?•Whatdotheytellyouaboutthedevelopmentofcomputers?•Whatdoyouthinkwillbethenextdevelopment?WarmingupWorkinpairs.Trytoputtheseinventionsinanorderaccordingtothetimewhentheyappeared.Thenreadthepassagequicklyandchecktoseeifyouwereright.()analyticalmachine()laptop()calculatingmachine()robot()PC()universalmachineII.Pre-reading251643Readthepassagequicklyandcheckyourprediction.Wasitcorrect?Whatisthemainideaofthepassage?Thispassageisabout_________________________.III.While-readingthedevelopmentofcomputersInpairsguessthemeaningofthefollowingnewwordsfromthereadingpassage.Thencheckyourguessesusingadictionary.ABtechnologicalrevolutionsimplifyapplicationpersonalsolverealityexplorehappinessgoalWhile-reading根据构词法猜测词义ThemeaningofthewordsingroupAcanallbeguessedfromtheirformation.Eachpairofwordshasthesameroot（词根）.technologytechnologicalsimplesimplifypersonpersonalrealrealityhappyhappinessWhile-reading根据上下文猜测词义ThemeaningofthewordsingroupBcanallbeguessedfromcontext.Example:revolution:Fromtheprevioussentenceweknowthataftertheworkoftheoperator,“‘I’could‘think’logicallyandproduceananswerquickerthananyperson”,whichindicatesagreatimprovement,so“revolution”heremaymean“acompletechange”.While-readingReadthepassageagain.Findthetopicsentenceofeachparagraphandthesupportingdetails.Paragraph1:OvertimeIhavebeenchangedquitealot.1.calculatingmachine2.analyticalmachine3.universalmachine4.laptopWhile-readingParagraph2:Thesechangesonlybecamepossibleasmymemoryimproved.1.tubes2.transistors3.chips4.network5.WorldWideWebWhile-readingParagraph3:Sincethe1970smanynewapplicationshavebeenfoundforme.1.communications2.finance3.trade4.robots5.mobilephones6.medicaloperations7.spacerockets8.providingalifeofhighqualityWhile-readingSummary•Atopics...
