Unit6 when was it invented.pptx

电话机是美国人A.G.贝尔于1876年发明的。目前大家公认的电话发明人是贝尔他是在1876年2月14日在美国专利局申请电话专利权的。Thepeopleinventedperonalcomputerin1971.贝尔在1876年发明了电话机。Karl.Benz发明了汽车。汽车经过不断改进成为一种大众化交通工具。汽车的普遍使用增强了人们的生产能力改变了人们的生活方式扩大了人们的活动范围加强了人与人之间的交流。Bell被动语态的一般构成。Bellinventedthetelephonein1867.Thefridgewassoldbythematalowprice.BellWhenwasthetelephoneinventedbyBell？Bell1a听下面一段对话把发明和年份配对。2a听录音按你听到的顺序用123给这些发明编号。听录音完成下列表格。课前准备：that2dRole-playtheconversation.2dRole-playtheconversation.Roy:Withpleasure!Letmethink...hmm...Iknow!Thezipper!罗伊：我很乐意！让我想想……嗯……有啦！拉链！Paul:Thezipper?Isitreallysuchagreatinvention?Roy:Thinkabouthowoftenit'susedinourdailylives.Youcanseezippersondressestrousersshoesbags...almosteverywhere!thinkabout考虑让我们考虑一下如何处理这件事。Let’sthinkabouthowwedealwithit.Howoften多久一次；多么频繁inourdailylives.在我们的日常生活当中。罗伊：想想在我们的日常生活中会多么频繁地使用它吧。你能在看见拉链在裙子、裤子、鞋子、背包上……几乎无处不在！Paul:Wellyoudoseemtohaveapoint...Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.ForexampleitmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattimeitwasn'tusedwidely.Paul:Really?Sowhendiditbecomepopular?保罗：真的吗？那它是什么时候开始流行起来的？Roy:Around1917.罗伊：1917年左右。Didyouknowthatteathemostpopulardrinkintheworld(afterwater)wasinventedbyaccident?Manypeoplebelievethatteawasfirstdrunkabout5000yearsago.ItissaidthataChineserulercalledShenNongwasthefirsttodiscoverteaasadrink.OnedayShenNongwasboilingdrinkingwateroveranopenfireSomeleavesfromateaplantfellintothewaterandremainedthereforsometimeItproducedanicesmellsohetastedthebrownwater.Itwasquitedeliciousandsooneoftheworld'sfavoritedrinkswasinvented.AfewthousandyearslaterLuYu"thesaintoftea"mentionedShenNonginhisbookChaJing.Thebookdescribeshowteaplantsweregrownandusedtomaketea.Italsodiscus