highheelsadjustableheelsicecreamscoopbatteryslippersListening(2a:P69)312Listening(2b:P69)1.Battery-operatedslipperswereinventedbyJulieThompson.•Theyareusedforseeinginthedark.2.HeatedicecreamscoopisinventedbyChelseaLanmon.•Itisusedforscoopingreallycoldicecream.Listening(2b:P69)3.ShoeswithadjustableheelswereinventedbyJayceCoziarandJamieEllsworth.•Theyareusedforchangingthestyleoftheshoes.用“invented”或“usedfor”填空.1.Whatareelectricslippers_______?2.Whowereshoeswithadjustableheels________by?3.Whenwastea________?4.Whataremicrowaveovens_______?5.Whenwerepotatochips________?usedforinventedusedforinventedinventedGrammarFocus(P69)GrammarFocus(P69)Thepassivevoice被动语态在被动语态的句子中,谓语部分的结构是be+过去分词。被动语态的句子的时态、人称变化反映在be动词上。一般现在时am/is/are＋过去分词一般过去时was/were＋过去分词含有情态动词的被动语态：情态动词＋be＋过去分词A:Look!Thislookssointeresting!B:Ah,it’sagreatinventionofChina.A:Really?When______it_________?B:Ithinkit_______________inHanDynasty.(汉朝)A:What______it______for?B:Guess!A:______it______forholdingwater?B:No.It___________fortestingearthquakes.A:Wow,it’sreallyamazing!wasinventedwasinventedisusedIsusedisusedabacusinthesixcenturyChinesecalculatingWhattelescopeWhen1609WhoGalileoUsewatchingstarsHOMEWORK
