九年级英语上册 Module 9 Great inventions Unit 3 Language in use课件 （新版）外研版.ppt

unit3languageinuse module9greatinventions languagepractice they llbeputupontheschoolwebsite willcomputersbeusedmorethanbooksinthefuture willbooksbereplacedbytheinternet 1 completethesentencesandconversationswiththecorrectformofthewordsandexpressionsinbrackets 1 books replace bycomputersinthefuture 2 mybikeisbroken it fix tomorrow 3 dad caniusetheinternetthisevening will bereplaced willbefixed yes butthecomputerisnotonyet theelectricity notconnect untilnineo clock 4 theproblem talkabout atthemeetingtomorrow willnot won tbeconnected will betalkedabout 5 who invite togiveareportaboutgreatinventionsnextfriday 6 when thework finish intwodays willbeinvited will befinished 2 lookatthepicturesanddescribethenewclassroomthatwillbebuilt usedthewordsintheboxtohelpyou buildbuychange anewclassroomwillbebuilt possibleanswers anewfloorwillbebuilt newfurniture desks chairswillbebought anewblackboardwillbebought anewinteractivewhiteboardwillbebought thewindowsandthedoorwillbechanged theteacher sdeskwillbepainted thelightswillbechanged thecolourofthewallswillbechanged thewallswillbefixed 3 workinpairs askandanswerquestionsaboutthesegreatinventions a whenwasthetelephoneinvented b itwasinventedin1875 a whatkindoftelephonedoyouthinkwillbemadeinthefuture b 4 completethesentenceswiththewordsinthebox directionintroductionspreadtrade 1 beforethe ofprinting fewpeoplecouldread 2 thereweremorebookstosell sothe inbooksgrew introduction trade 3 becausemorepeoplecouldread ideas quickly 4 what willprintingtakeinthefuture spread direction 5 listenandfindoutwherethespeakersis a inaschoollibrary b inthebritishlibraryc inthebritishmuseum 6 listenagainandanswerthequestions 1 whyweresofewbooksproducedinancienttimes becausetheywerewrittenbyhand 2 whyweremanyoldbookscopiedontoacomputer theyaretoovaluabletobepickedupandheldinthehand 3 howhasthecomputerhelpedpeoplereadoldbooksinthebritishlibrary oldbookswerecopiedontoacomputerafewyearsagoforpeopletobeabletoreadthemwithouttouchingthem 7 readthepassageandchoosethebesttitle a thehistoryoftheinternetb theworldwidewedc theinternetandthewebd thefutureoftheinternet theinternethasbeenaroundformanyyears butitwastheinventionoftheworldwidewebthatmadeitreallyusefultopeople together theinternetandtheworldwidewebhavechangedtheworld theinternetwasinventedbytheusgovernmentinthe1960s forthearmytouse inthe1970s scientistsandbusinesspeoplealsowantedtousetheinternettosendandreceivemessages forsome years peoplecouldonlysendverysimpletexts theycouldnotsendphotosordocumentsbytheinternet thatchangedin1911 whenabritishscientistnamedtim berners leeinventedtheworldwideweb theworldwideweballowspeopletosendvarioustypesoffiles suchastexts photosandvideosbytheinternet somoreandmorepeoplestartedtouseitinthe1990s today thewebhashundredsofmillionsofusers ithaschangedthewaypeoplelive workandplay throughtheinternet emailallowsustocommunicatenearlyinstantlywithpeoplethousandsofmiles away peopleandbusinessesusee commerceandonlineshoppingtobuyandsellthingsacrosstheworld thewebalsomakespeople sliveseasierbecausenowmanythingscanbedonefromhome twenty fourhoursaday thewebcanhelpyoudoresearchforyourhomework sothatyoudonotneedtogotothelibrary youcanuseintenetbanking insteadofgoingtothebank and ofcousre peoplejust surftheweb whentheywanttorelax technologychangesquickly anditishardtoimaginewhatthefutureoftheinternetandthewebwillbe butitseemsimpossibletoimaginelifewithoutthem nowcompletethechart inthe1960s inthe1970s in1991 inthe1990s today e books justasemailhaschangedthewaywewritetoeachother e booksarechangingthewayweread wecaneasilydownloadnewe booksfromtheinternet itis mucheasilyandquicklytosearchforpassagesnow andwecanalsowritenotesinane books whatismore theysavealotofpaper bute booksreadersarestillmore expensivethanpaperbooks sonotallpeoplecanaffordthem however withtherapiddevelopmentofelectronictechnology readinge bookswillbecomecheaperand cheaper alotofpeoplethinktherewillbemoree booksthanpaperbooksinthenearfuture moduletask discussinginventions 8 workingroups prepareforyourdiscussion thinkofaninventionthathaschangedyourlife makenotesabouttheinvention 1 whatisit 2 whyisituseful researchhowtheinformationha