GREissue写作优秀实例4

GRE issue写作优秀实例（4） 题目： At various times in the geological past, many species have become exti

GREissue写作优秀实例（4） 题目： Atvarioustimesinthegeologicalpast,manyspecieshave becomeextinctasaresultofnatural,ratherthanhuman,processes. Thus,thereisnojustificationforsocietytomakeextraordinary efforts,especiallyatagreatcostinmoneyandjobs,tosave endangeredspecies. 在过去不同的地质时期，许多的物种因为自然作用而非人类行为而灭绝。因 此，人类社会为了挽救濒危物种而付出的巨大努力，尤其是以大量的资金和工作 机会为代价，这样做是毫无道理的。 正文： Astheproblemofecologicalbecomingmoreserious,thereis muchcontroversyovertheissueofwhethersocietyshouldmake extraordinaryeffortstosaveendangeredspecies.Somebodyclaims thatwedonothavetospendagreatcostinmoneyandjobsto dothatresultfromthatatvarioustimesinthegeologicalpast, manyspecieshavebecomeextinctbecauseofnatural.However,I donotagreethisargument. Indeed,therearecertainspecieswouldbecomeextraordinary thatisnotrelevanttohumanbeings,however,whichcannotbethe excuseforsocietytoshirktheresponsibilitytoprotectthem.The Darwin’stheoryofevolutiontellsusthatonlythespecieswhich