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托福综合写作范文TPO14.pdf

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TPO14 Accordingtothereadingpassage,theauthorbelievessalvage loggingbenefitsbothadamagedforestandtheeconomy.Inthe lecture,however,theprofessorassertsthatsalvageloggingcan causeseverelong-termenvironmentdamage. First,theprofessorarguessalvageloggingdoesn'tnecessarily createtherightconditionfortreegrows.Shepointsoutthefact thatthenaturalprogressofwooddecompositionmakessoil morecomfortableforfuturegenerations.Thiscontradictswith theideaofthereadingpassagethatsalvageloggingpromotethe forestareasrecoverafterdisasterbyremovingdeadtrees. Second,theprofessorcastdoubtontheauthor'sideathat salvageloggingisbeneficialtotheenvironmentoftheforestby decreasingthedamageofinsectinfection.Sheclaimssalvage loggingmaydomoreharmtoforestthanharmfulinsects,saying thatdeadwoodsarenotonlyusedbyharmfulinsectsbutalso bybirdsandothercontributiveinsects. Third,thoughtheauthorthinkssalvagelogginghaseconomic benefits,theprofessorcontendsthatthebenefitsaresmalland don'tlastlong.Shestatesthatthedevisesusedforsalvage loggingareexpensivetouseandmaintain,andthatnewjobsare temporaryandoftenfittedbyoutsiders. Exercise3 Accordingtothereadingpassage,theauthorbelievesdrug testingisunnecessary.Inthelecture,however,theprofessor claimsthatdrugtestingisactuallyunderestimated. First,theprofessorcastdoubtontheideaofthereadingpassage thatdruggingtestistime-consuming.Hearguesthatthesafety ofpatientsshouldbeNo.1andthatthewaitingisworthwhile. Heillustratesanexamplethatonceanewdrugwasputinto marketwithdruggingtestonlyonadults,whichcausedmany deathofchildrenlater. Second,thoughtheauthorarguesthatdrugtestingisexpensive sothatsomepatientscannotaffordnewdrugs,theprofessor assertsthatpatientswouldspendmoremoneywithoutdrug testing.Hepointsoutthatitwouldcostmoreiftherewereanchy sideeffects,andthatthetestdatahelpstheresearch. Third,theprofessorcontendsthatMedWatchsystemisnot accurateenough,whichcontradictstheideaofthereading passagethatMedWatchsystemcanreplacedrugtesting.He remindsusthatthevolunteersmaybetoooverworkedor over