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1、根据本节教材用实验和猜测相结合的方法来说明生命起源的特点，教学方法也就选择学生观察投影片、猜测和查资料相结合的方法进行教学。曹丰英语演讲稿及翻译 清华大学曹丰21世纪英语演讲比赛演讲稿Ourfuture:abattlebetweendreamsandreality Goodafternoon,ladiesandgentlemen:WhenIwasintheprimaryschool,Ihave adream.Iwanttoinventadevicewhichcouldbringyoufromoneplacetoanotherinnotimeatall.WhenIwas
2、inthesecondaryschool,mydreamwastostudyinmyidealuniversity.AndwheneventuallyIgotintotheuniversity,mydreamwastograduate.Howpathetic!Whenwegrowup,wedreamlessandbecomemorerealistic.Why?Whydowehavetochangeourdreams,so,soinordertoletitbe“fulfilled”？Whydowehavetosurrendertotheso–called“reality”?W
3、hatistherealityactually? Ladiesandgentlemen,therealityisnot real.Itisabarrierkeepingusfromallthepossiblefantasies.Flying,forexample,hadbeenadreamtomankindforthousandsof years.Ahundredyearsago,“mancouldnotfly”wasstillregardedasthe“reality”.Nowifthatwas意大利医生雷地证明腐肉不能生蛆的实验投影片，巴思德的“鹅颈瓶实验”投影片
4、，原始地球的投影片，米勒实验的投影片。根据本节教材用实验和猜测相结合的方法来说明生命起源的特点，教学方法也就选择学生观察投影片、猜测和查资料相结合的方法进行教学。曹丰英语演讲稿及翻译 清华大学曹丰21世纪英语演讲比赛演讲稿Ourfuture:abattlebetweendreamsandreality Goodafternoon,ladiesandgentlemen:WhenIwasintheprimaryschool,Ihave adream.Iwanttoinventadevicewhichcouldbringyoufromoneplacetoanotherinn
5、otimeatall.WhenIwasinthesecondaryschool,mydreamwastostudyinmyidealuniversity.AndwheneventuallyIgotintotheuniversity,mydreamwastograduate.Howpathetic!Whenwegrowup,wedreamlessandbecomemorerealistic.Why?Whydowehavetochangeourdreams,so,soinordertoletitbe“fulfilled”？Whydowehavetosurrendertothes
6、o–called“reality”?Whatistherealityactually? Ladiesandgentlemen,therealityisnot real.Itisabarrierkeepingusfromallthepossiblefantasies.Flying,forexample,hadbeenadreamtomankindforthousandsof years.Ahundredyearsago,“mancouldnotfly”wasstillregardedasthe“reality”.Nowifthatwas意大利医生雷地证明腐肉不能生蛆的实
7、验投影片，巴思德的“鹅颈瓶实验”投影片，原始地球的投影片，米勒实验的投影片。根据本节教材用实验和猜测相结合的方法来说明生命起源的特点，教学方法也就选择学生观察投影片、猜测和查资料相结合的方法进行教学。reallythereality,whatdidtheWrightbrothersdo?HowdidsomeofyougettoMacao?Onlywhenwebelievethatthereality isnotrealcanwesoarwithourdreams.Peoplesaythatourfutureisa
