Unit6Whenwasitinvented?Letsomestudentsrole-playtheconversationin2d.Letsomestudentsrole-playtheconversationin2d.HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Mypleasure!Letmethink…hmm…Iknow!Thezipper!Thezipper?Isitreallysuchagreatinvention?Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!Well,youdoseemtohaveapoint…Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.Really?Sowhendiditbecomepopular?Around1917.Let’senjoyavideo.It’sabouttheteacultureinChina.LuYu.2.WhoisthewriterofChaJing?1.Whatisthevideoabout?Answerthequestionsaccordingtothevideo.3aReadthepassagequicklyandmatcheachparagraphwithitsmainidea.Para.1Para.2Para.3LuYuandhisbookChaJingHowteaspreadtoothercountriesHowteawasinventedbyaccident偶然;意外地3.Whoiscalled“thesaintoftea”?___________________________________Readthepassageagainandanswerthequestions.1.Whenwasteafirstdrunk?___________________________________2.Howwasteainvented?___________________________________Itwasfirstdrunkabout5,000yearsago.3bItwasinventedbyaccident.LuYu.n.圣人,圣徒4.WhatisChaJingabout?____________________________________________________________________________________________________________________________________________________________________________________5.Whenwasteabroughttoothercountries?________________________________________________________________________Thebookdescribeshowteaplantsweregrownandusedtomaketea.Italsodiscusseswherethefinesttealeaveswereproducedandwhatkindsofwaterwereused.TeawasbroughttoKoreaandJapanduringthe6thand7thcenturies.ItwasbroughttoEnglandataround1660.Fillintheblankswiththeproperformsaccordingtothefirstparagraph.Tea(afterwater),themostpopulardrinkintheworld___________(invent)byaccident.Itisbelievedthattea_________(drink)5,000yea...