帮忙改改托福作文TPO4的综合写作,顺便评个分
Accordingtothereadingpassage,theauthorclaimsthatdinosaurswaslongassumedthattheywerenotendothermsbutnowtherearemanyconsiderableevidenceshowthatdinosaurswereendotherms.However,theprofessorrufutesthepointofviewoftheauthorbysayingthatevidencegivenbythereadingpassageisnotconvincing.
Althoughthereadingpassagementionsthatthefossilsofdinosaursdiscoveredinpolarregionsshowedthatdinosaurswereendothermsbecauseonlyanimalsthatcanmantainatemperaturecouldbeactiveinsuchcoldclimates,thelecturercountersthatthosediscoverieswerenotthecasesincedinosaurscouldmigratetoanotherplacewhentheclimateinthepolarregionturnedtobecold.Also,dinosaurscouldhibernatetoaviodthecoldclimate.
Whenthereadingpassageindicatesthattheconnectionsbetweentheendothermandthepositionandmovementoftheleg,whichweresimilartothepositionofmodernendotherms,canstronglysuggetsthatdinosaurswereendotherms,theprofessorcastsdoubtontheopiionsoftheauthorbysayingthatthesizesofdinosaurswereverybigsothat'swhytheirlegsshouldbeundemeaththeirbody,itdidnotmeanthatthepositionofthelegsindicatestheintenceofefficientrunning.
Incontrasttothereadingpassage.whichpointsoutthatthedinosaurs'bonestructurestronglysuggestthattheywereendothermsbecausedinosaursgrewveryfast,theprofessorassertsthateveninverycoldweather,dinosauralsogrewrapidly,butthisphenomenonwasnotexistedinendotherms.
Inconclusion,whenthereadingpassagementionsthatdinosaurswereendotherms,theprofessorrepudiatestheviewofthereadingpassageandindicatesthatthoseevidencearenotconvincing.