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Unit18StoneAgeIronAgeBronzeAgeInformationAgetypewritervideogameplayerdrawingboardprojectorsendinge-mailsshoppinglisteningtomusicwatchingmoviessendingEmailsaTVsetatelephonearadioalibraryreadingnewsWhatdoesweusecellphonesfor?watchingvideostakingphotosfindingdestinationswatch/calendar/alarmclockMP3sendingmessagesScanning1.Whatisthe“informationage”?2.Howcanwedescribetheinventions,Forexamplethecomputer?3.Intheinformationage,whatisthetruechallengeforus?1.Whatisthe“informationage”?Atimeofnewdiscoveriesandgreatchanges2.Howcanwedescribetheinventions,Forexamplethecomputer?Metaphorwordssuchas”memory”,“store“and“cutandpaste”3.Intheinformationage,whatisthetruechallengeforus?1.ThinkofmoremetaphorwordsweusetotalkaboutcomputersandInternet.Wordslike:copy,file,delete,lockenter,return,store.2.whatdoesthewriterthinkaboutofusingthescientificmetaphors?MakeiteasierforustounderstandanduseanewtoolMakeitmoredifficultforustousethenewinventioninthebestwayLanguagepoints1.Itiscertainlytruethat…Wearesaidtobelivinginthe“InformationAge”atimeofnewdiscoveriesandgreatchanges…(同位语)Itiscertainlytruethat…it是形式主语。相似的还有：Itispossiblethat…Itisknownthat…Itislikelythat…Itisstrange/natural/true/wonderfulthat…sb.saidtodosth./besaidtobedoing/tohavedonesth.e.g.Heissaidtobeagoodbasketballplayerwhenhewasyoung.Itissaidthatheisagoodbasketballplayerwhenhewasyoung.相似的还有：Itisreported/decided/announced/proved/supposed/guessed/thoughtthat…2.…Hasourlifechangedthatmuch?...that:so“那么”，在口语中程度副词可以由so,very来代替。e.g.Ican’twalkthatfar.Whydoyoukeepmewaitingthatlong?Thereareabout2,000peoplepresentatthemeetinginthehall.Ididn’texpectittobethatfull.3.…Acomputer’s“memoryissimilartohumanmemory,butitisalsoverydifferent.besimilarto“与……相似”e.g.Hisnewbikeissimilartomine.4....Afterall,whatmakesanewinventionsuchawonderfulthingisthatitallowsustodosomethingwecouldnotdobefore.allow+名/doingIwillneverallowsuchbehavior.我决不允许这样的行为。Smokingisnotallowedhere.此地禁止吸烟。allow+sb.+todoAreweallowedtoplayfootballhere?我们可以在这里踢足球吗?5.Nowthatwearedevelopingnewtechnologyatsuchahighpace,the…nowthat既然：since…(sincethat…)e.g.Nowthatyouhavegrownup,youmuststopthischildishbehavior.Writinganelectriccalculatingmachinedesktopcomputerlaptopcomputerpalmtopcomputermoderncomputer1.Whatwillcomputerlooklikeinthefuture?Howwillweusethem?2.Imaginethatyouhadtodescribeacomputertosomeonewholivedinnineteenthcentury.Howwouldyouexplainit?Whatwouldyoucompareitto?Chooseoneofthequestionsbelowandwriteabriefessay.WritingtipsBeforewestartwriting,weshouldlistideasandinformationandthinkabouttheorganizationofourarticles.Step1.Step2.Step3.ComputerispartofourlifeThedevelopmentofcomputerThewayweusecomputerswillchangeAsampleHaveyoueverseenacomputer?Letmetellyousomethingaboutit.Acomputerisanelectriccalculatingmachinethatcanstoreandrecallinformationandmakecalculationsataveryhighspeed.Itisawonderfulmachineandcandomostofthethingspeoplecando,butitworkmillionsoftimesfaster.Thefirstlarge,moderncomputerwasbuiltin1946,andpeopleneededalargehousetoputitin.Inthelastfewyearstherehavebeengreatchangesincomputers.Todaytheycanbeusedinmanyfields.Peopleevenuseittopaybillsororderwhattheywant.Itissaidthatinthefuturecomputerswouldarrangeeverythingforpeople,anddoalmostallkindsofwork.Thatwouldbearealcomputersociety.ReadingonP133Listentothetape,thenreadthepassagecarefullyandfillinthechart.Ex.1Completethechartbelowwithinformationfromthetext.InventionPossibleusesInvisiblepaint1._________________2.______________________________________________________________________________________________________Interestingclothes.Helpdoctorsseethroughtheskin/hidethings.Helpdoctorsoperateonpeopleinasaferandlesspainfulway.TinyrobotEx.2Thetextmentionsseveralotherideasfornewinventions.Workinpairsandtrytoimaginewaysinwhichthenewinventionscouldbeused.InventionPossibleusesDevicethatletsussendinformationtothebrainDevicethatmakesenergyfromemptyspaceLearnEnglish.Rememberphonenumbers.Cheapandcleanenergy.Useonspaceships.HomeworkWritingaTravelDiary.OutlineDestinationDescriptionClimateImpressionFeelingFinishthewriting.Reviewthenewwordsandexpressions.