新东方gre argument范文10篇(八)

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1、智课网GRE备考资料新东方GREargument范文10篇（八）Aspeoplegrowolder,ĠanenzymeknownasPEPincreasinglybreaksdowntheneuropeptidechemicalsinvolvedinlearningandmemory.Butnow,researchershavefoundcompoundsthatpreventPEPfrombreakingneuropeptidesapart.Intests,thesecompoundsalmostcompl

2、etelyrestoredlostmemoryinrats.Theuseofthesecompoundsshouldbeextendedtostudentswhohavepoormemoryanddifficultyinconcentrating-andthereforeseriousproblemsinschoolperformance.Sciencefinallyhasasolutionforproblemsneitherparentsnorteacherscouldsolve.Inthisargumen

3、t,thearguerstatesthatresearchershavefoundcompoundsthatkeepanenzymeknownasPEPfrombreakingneuropeptidesapart,whichareknowntobeinvolvedinlearningandmemory.Thearguerstatesthattestshaveshownthatthesecompoundsalmostcompletelyrestoredlostmemoryinrats,andthattheref

4、ore,thesecompoundsshouldbeadministeredtostudentswithpoormemoryanddifficultyinconcentrating.Thisargumentisunconvincingbecauseitcontainsseveralcriticalflawsinlogic.Firstofall,thearguerstatesthataspeoplegrowolder,PEPbreaksdowntheneuropeptidechemicalsthatareinv

5、olvedinlearningandmemory.Itistruethatgenerally,aspeoplegetolder,theytendtohavemoreproblemswithlearningandmemory.However,thereisnodirectlinkmentionedbetweenthebreakingdownoftheneuropeptidechemicalsandthelossoflearningabilityormemory.Additionally,thearguermen

6、tionsneuropeptidechemicalsthatarebrokendownbyPEP.Whattheresearchershavefoundisacompoundthatpreventsneuropeptidesfrombreakingapart.Thesearetwodifferentphysicalactions:thebreakingdownofneuropeptidechemicalsasopposedtothebreakingapartoftheneuropeptidesthemselv

7、es.Furthermore,itisnotstatedwhichofthesephysicalactionsisinvolvedwiththelossoflearningabilityandmemory.Itisnotexplicitlystatedthatthebreakingdownofchemicalscausesalossinlearningabilityandmemory,onlythatthishappensaspeoplegrowolder.Itisalsonotexpresslystated

8、whetherthebreakingapartoftheneuropeptidesthemselvescausesmemorylossoralessenedlearningability.Withoutshowingadirectlinkbetweentheeffectofkeepingtheneuropeptidesfrombreakingapartandareductioninthelossof