Unit4InventionsUnit4InventionsReading2Reading2•Notes:•1.Greatinventionschangetheworld.Theyhelppeopleliveabetterlife.•liveabetterlife过更好的生活•helppeopledosth帮助某人做某事•2.threeofthemostimportant•三个中最重要的•oneofthemostimportantinventions•最重要的发明之一3.Travellingbecamefasterandmorecomfortable.旅途变得更快和更舒服.travelling动名词做主语4.Afewthousandyearsago,peoplestartedtousewheelsoncarriages.几千年前,人们开始在四轮马车上使用轮子了。开始做某事starttodosth=begintodosth.•5.Atthestartofthe20thcentury,carsbecamepopular.•在二十世纪初,汽车变得流行起来。•atthestartof…在…开始•=atthebeginningof•attheendof在…结束的时候•e.gAtthestartoftheclass,ourteachersanganEnglishforus.•在开始上课的时候,老师给我们唱了英文歌•6.AlexandaGrahamBellinventedoneofthefirstpracticaltelephonesin1876.•亚历山大·格拉汉姆·贝尔在1876年发明了最实用的电话之一。•oneofthefirst+复数名词•Hewasoneofthefirstwinnersinthisgame.•他是在这场游戏中最先赢了的人之一。•7.Sincethen,peoplehavebeenabletospeaktoeachotheroverlongdistance.•自从那时开始,人民已经能够跨越很长的距离来彼此交谈。•havebeenableto现在完成时,已经能够•overlongdistance跨越很长距离•8.Todaymillionsofpeopleacrosstheworldownmobilephones.•今天全世界超过几百万的人们拥有手机了。•millionsof几百万•acrosstheworld遍及全世界•=allovertheworld•9.Theyallowpeopletokeepintouchwitheachotheranytime,anywhere.•它们允许人们在任何时间、任何地方彼此之间相互保持联系。•allowsbtodosth允许某人去做某事•Mymotherdoesn’tallowmetowatchTVsomuch.•我妈妈不允许看那么多电视。•keepintouchwith与某人保持联系•e.gAfterweleftourschool,wekeptintouchwitheachwithmobilephone.•在我们离开我们学校后,我们用手机保持联系。10.Peoplecandoasmanythingsintheeveningsastheycaninthedaytime.人们在黑夜做的事情和他们在白天做的事情一样多。e.gWeshouldspeakEnglishasoftenaswecan.我们应该尽可能多的讲英语。as….aswecan尽可能。。。DiscussionDiscusswithyourpartnerwhatotherinventionsdoyouthinkareveryimportant,why?air-conditionerricecookerwashingmachine短语集中营•1...