下学期u16高一英语课件
日期：2010-05-16 05:39
scientistshaveplayedabigroleinpeople’slivesandnowtheystilldo！Doyouknowwhothefollowingscientistsare?TherearesomemysteriousscientistsI’lltellyouwhateachscientistisbestknownforandyoushouldtellmewhoitisCharlesDarwinWhoamI?IstudiedplantsandanimalswhilesailingaroundtheworldIwroteabookonhowplantsaredifferentfromeachotherandanimalsaredifferentfromeachotherThebooktalksabouthowplantsandanimalschangeovermany，manyyearstosuittheenvironmenttheyliveinMyhusbandandIbothbelievedthatsciencewasthemostimportantpartofourlivesWediscussedourworkandthelatestscientificevents，Unit16ScientistsatworkPeriod2Franklin’sfamouskiteexperiment Step1Leadingin Throughouthistory，suchasthediscoveryofX-raysIn1898，wefoundtwonewelementsthatgaveoffradiationWenamedthesetwoelementspoloniumandradiumWhoamI?MadamCurieIamaninventorIlikedtoinventthingsOfcourseIdidmanyexperimentsThoughIfailedmanytimesandpeoplelaughedatme，IsucceededatlastIinventedthelampThomasEdisonIamaninventorIdidmanyexperime，
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