Unit6Whenwasitinvented?SectionATalkabouttheinventions(发明).Whichonedoyouthinkisthemosthelpfulinourdailylife?LeadincomputercarcalculatorlaptoptelephonecellphoneradioPresentation1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last)12341bListenandmatchtheinventionswiththeyears.abcdWhenwasthe...invented?1876188519271971acbd1cPAIRWORKA:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.2aListenandnumbertheinventions[1-3]intheorderyouhearthem.312___shoeswithspecialheels___shoeswithlights___hotice-creamscooprunsonelectricity2bListenagainandcompletethechartbelow.InventionWhatisit/aretheyusedfor?______thestyleoftheshoesseeing________________reallycoldice-creamshoeswithspecialheelsshoeswithlightshotice-creamscoop2cMakeconversationsusingtheinformationin2b.A:Whataretheyusedfor?B:They’reusedfor...2dRole-playtheconversation.Readthepassagequicklyandanswerthequestions.1.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?Smallinventionsthatchangedtheworld.Thezipper.Becauseitisoftenusedinourdailylives.WhitcombJudsonin1893.Around1917.Whatwillyoudoifyouarereallythirsty?You’dliketodrinkthesedrinks.v.喝；饮n.饮料What’sthemosttraditionaldrinkinChina?Teahasalonghistory.Teawasfirstdrunknearly5,000yearsago.boilingdrinkingwaterleavesItsmellspleasant.Ittastesdeliciousand…Whowasteainventedby?ItwasinventedbytheChineserulercalledShenNong．ShenNongHowwasitinvented?boilingwateroveranopenfirefellinto…andremained…producedanicesmelltastedthebrownwater—teaItwasinventedbyaccident.haveapointbyaccidentitissaid/believedthatbebroughttosp.takeplaceeventhoughwithoutdoubtLanguagepoints有道理偶然；意外地人们说/相信被带到某地发生；出现即使毫无疑问；的确3aReadingReadthepassagequicklyandmatcheachparagraphwithit’smainidea.Paragraph1Paragraph2Paragraph3LuYuandhisbookChaJingHowteaspreadtoothercountriesHowteawasinventedbyaccident3bReadthepassageagainandanswerthequestions.1.Whenwasteafirstdrunk?2.Howwasteainvented?3.Whoiscalled“thesaintoftea”?4.WhatisChaJingabout?5.Whenwasteabroughttoothercountries?Nearly5,000yearsago.Itwasinventedbyaccident.ShenNong.Howteaplantsweregrownandusedtomaketea.KoreaandJapan:6thand7thcenturiesEngland:16603cCompletethesentenceswiththecorrectformsoftheverbsinthebox.1.Oneoftheworld’sfavoritedrinkswas________byaccident.2.Teawasfirst________byShenNong5,000yearsago.3.Anicesmellwas_________whenthetealeavesdroppedintothehotwater.4.Teawas__________toKoreaandJapanduringthe6thand7thcenturies.5.Teaisnow________betweenmanydifferentcountries.invent,drink,bring,produce,tradeinventeddrunkproducedbroughttradedGrammarFocusWhenwasthezipperinvented？Itwasinventedin1893.Whowasitinventedby?ItwasinventedbyWhitcombJudson.WhenwasteabroughttoKorea？ItwasbroughttoKoreaduringthe6thand7thcenturies.Whatisthehotice-creamscoopusedfor?It’susedforservingreallycoldice-creamActiveVoice:AlexandarGrahamBellinventedthetelephonein1876.PassiveVoice:Thetelephonewasinvented(byAlexanderGrahamBell)in1876.Thesimplepastpassivevoice一般过去时被动语态一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作，与主动语态相比,被动语态中主语是谓语动作的执行者。被动语态的构成:助动词was/were+(及物动词的)过去分词was(were)+d...
