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1、植物高考英语作文范文 Plantsseemtoknowwhichwayisupandwhichwayisdown;besides,theyseemtoknowrightfromleft.Ifacuttingfromatreeiskeptalive,newshootswillgrowfromtheend thatgrewinthehighestpartofthetree. Thereisnonoticeabledifferencebetweenthetopandthebottomofthelivingstick,evenunderamicroscope.Evenso,thestickwillno
2、tsendoutshootsfromtheenditregardsas bottomevenifthisendhappenstobeontop! Scientistsstudyingthissubjectfurthersplittheircuttingsinthedirectionoflength.Totheirsurprise,theymadeanothernewdiscovery.Agoodmanymorebudsgrewontherighthandsideofthesplitsurfacethanontheleft.Theysplitthesticksagainandfoundthatthebudsagaingrewontherightside. Theresultsoftheentirestudyshoweda60%choicefortherightside,provingthatgrowingplantsaremostlyrighthanded.”