whatisitmadeof课件
日期：2010-11-14 11:06
woodandotherproductsTreesprovidenotonlymanwithfood，blowaway，movetowards，sand，peopleareeager(渴望)tohavearestundertheshadeofatreeaftertheyhavewalkedalongwayYoucanimagine(想象)howimportanttheshadeofatreeistomanandtoanimalsThethirdimportantwayisthattreeshelptopreventdroughtandfloodsHowever，inmanypartsoftheworld，butalsomanyanimalswithfoodWithouttreesmanyanimalscouldnotliveontheearthIt’snoteasyformantoliveontheearth，eitherThesecondimportantwayisthattreesgiveusshadeOnahotsummerday，stop，growfood，manhasnotrealized(意识到)thethirdimportantwayHehascutdowntreesinlargenumbersIntheendhefindsthathehaslostthebestfriendshehadNowdoyouknowwhattheuseofthetreesis?wind，Welldone!Youareveryexcellent!woodTreesareusefultomaninthreeveryimportantwaysThefirstimportantwayisthattheyprovide(提供)food，barehills…Whatwilltheworldbelikeifsomanybeautifultreesarestillcutdownbypeople?leatherLocustdesertThedeadbodyofacrocodileThefossilofadinosaursThespecimenofatige，
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