英语人教PEP版九年级（上册）Unit+6+Section+A+1a-2d+

Whenwasitinvented?SectionA1a-1b,2a-2dLearningObjectivesBytheendoftheclass,youwillbeableto:1.use“was/weredone”tointroducedifferentinventions;2.use“beusedfor”totalkaboutfunctions.inventionsinvention:athingoranideathathasn’tbeencreatedbeforeCouldyoulistsomeinventionsinourdailylives?carairconditioner…telephonetelevisioncomputerlightbulbfaxprinter1aInwhatorderdoyouthinktheywereinvented?Numberthem[1-4](1=first,4=last).Listenandmatchtheinventionswiththeyears.1b_______1876_______1885_______1927_______1971LookandsayA:

Whenwasthecarinvented?B:

Itwasinventedin...A.1876B.1885C.1927D.1971LookandsayA:

Whenwasthecomputerinvented?B:

Itwasinventedin...A.1876B.1885C.1927D.1971LookandsayA:

Whenwasthetelevisioninvented?B:

Itwasinventedaround...A.1876B.1885C.1927D.1971LookandsayA:

Whenwasthetelephoneinvented?B:

Itwasinventedin...A.1876B.1885C.1927D.1971Checkyourpredictions.1a______shoeswithspecialheels______shoeswithlights______hotice-creamscoop,runs

onelectricity2aListenandnumbertheinventions[1-3]intheorderyouhearthem.Listenagainandcompletethechartbelow.2bInventionWhatisit/aretheyusedfor?shoeswithlightsseeing_______________hotice-creamscoop__________reallycoldice-creamshoeswithspecialheels__________thestyleoftheshoesinthedarkservingchangingExample:A:Whatareshoeswithspecialheelsusedfor?B:They’reusedforchangingthestyleoftheshoes.A:Whataretheyusedfor?B:They’reusedfor...shoeswithspecialheels

changingthestyleoftheshoesbeusedfor(被用来做)+动词ing形式介词，表示目的；为了2cMakeconversationsusingtheinformationin2b.2cMakeconversationsusingtheinformationin2b.A:Whataretheyusedfor?B:They’reusedfor...InventionWhatisit/aretheyusedfor?shoeswithlightsseeing_______________hotice-creamscoop__________reallycoldice-creamshoeswithspecialheels__________thestyleoftheshoesinthedarkservingchangingExample:A:Whatareshoeswithlightsusedfor?B:They’reusedforseeinginthedark.shoeswithlights

seeingin

thedarkA:Whataretheyusedfor?B:They’reusedfor...2cMakeconversationsusingtheinformationin2b.Example:A:Whatisthehotice-creamscoopusedfor?B:It’susedforservingreallycoldice-cream.A:Whataretheyusedfor?B:They’reusedfor...hotice-creamscoop

servingreallycoldice-cream2cMakeconversationsusingtheinformationin2b.1.WhichinventiondidRoymention?2.Isitagreatinvention?Why?Thezipper.Yes,itis.Listenandanswerthequestions.2d拉链Becauseit’susedwidelyinourdailylives.Itcanbeseenondresses,trousers,shoes,bags…almosteverywhere.1.What’sthesubjectforPaul’sschoolproject?2.Whenwasthezipperinvented?3.Wasitusedwidelyatfirst?4.Whendiditbecomepopular?Listenandanswerthequestions.2d1.What’sthesubjectforPaul’sschoolproject?2.Whenwasthezipperinvented?Smallinventionsthatchangedtheworld.In1893.Listenandanswerthequestions.2d3.Wasitusedwidelyatfirst?4.Whendiditbecomepopular?No,itwasn’t.Around1917.Listenandanswerthequestions.2dThinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld”.Correct.LiHua:LiJing:Whoareyournewfriends?LiHua:HelenSmithandZhangMing.Theyaretwooldclubmembers.Theyhelpedmewithmyself-introduction.2dReadtheconversation.Withpleasure!Roy:Thezipper?Paul:Well,youdoseemtohaveapoint...Paul:Really?Paul:Roy:Ofcourse!Roy:Around1917.Roy:Canyouhelpmethinkofaninvention?Letmethink…hmm...Iknow!Thezipper!Isitreallysuchagreatinvention?IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.Sowhendiditbecomepopular?LanguagepointsPaul:Well,youdoseemtohaveapoint...haveapoint:指某人的说法或者想法“有道理”。do:在肯定句和祈使句当中，在谓语动词前添加助动

词do常用来表示强调。我真的希望你能来参加我的聚会。1Idohopeyoucancometomyparty.例句：LanguagepointsCouldyoufindsomecommonpointsamongthesesentences?1.Thepioneersofdifferentinventionswerelistedthere.2.ThezipperwasinventedbyWhitcombJudsonin1893.3.Butatthattime,itwasn’tusedwidely.一般过去时中的被动语态：was/were+donePractice这些窗户是昨天被Jack打破的。1Thewindows______________(break)byJackyesterday.werebroken上周被偷了多少钱？2Howmuchmoney_______________(steal)lastweek?复数wasstolen不可数名词Reviewfourgreatinventionsthetelephonethecomputerthecarthetelevisioninterestinginventionsshoeswithspecialheelsshoeswithlightstheice-creamscoopasmallbutusefulinventionthezipperInventionsareeverywhere!inventionsInthepastfewthousandyears,humanbeingshaveneverstoppedinventing!Couldyoufindmoreinventionsinourdailylives?toiletpaperclock…fountainpen(圆珠笔)bicyclestickynote(便签)InventionsWhenWhoPurposewashingmachine1858Smithwashclothesfridge1862Harrisonkeepfoodfreshlightbulb1879EdisonseeinthedarkIntroducetheseinventionsusingtheinformationbelow.ItwasinventedbySmith.Washingmachinewasinventedin1858.Itisusedforwashingclothes.Introducetheseinventionsusingtheinformationbelow.InventionsWhenWhoPurposewashingmachine1858Smithwashclothesfridge186