初中英语（二）ppt课件
日期：2010-02-13 02:42
theycan’tSomescientistsbelievethatthedinosaurshavenotdisappeared，adinosaurondisplayTheydisappearedonshowfossilWelcometoDinosaurWorldDinosaurisananimalthatwecan’tseeontheearthnowTheylivedlongbeforehumanbeings(men)appearedWhatweseeinthemuseumarethefossilsofmanykindsofdinosaursSomedinosaurshavelongnecksandtails，buthavebecomebirdsLastSaturday，whileotherslooklikebirdsTheseeggswerelaidbydinosaursHowlongdiddinosaursliveontheearth?Whendidtheydisappear?Whydidtheydisappearsuddenly?AVisittoHistoryMuseum1Howlongdiddinosaursliveontheearth?2Whendidtheydisappear?3Canthescientistsexplaintheirdisappearance?4Whereandwhenwerethedinosaureggsfound?5Wherewasthespecialdinosaurondisplaydiscovered?6Whywasitspecial?7Whatdosomescientiststhinkaboutthedisappearanceofdinosaurs?Morethan150millionyearsAbout5millionyearsagoTheywerefoundinGobiDesertin1920sItwasdiscoveredinLiaoningProvinceBecauseitwascoveredbyfeathersNo，agroupofstudentsvisitedtheBeijingMuseumofNatura，
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