托福綜合寫作批改Boththereadingandthelisteningpassagesdelveintotheissueofthecleanupofoceanplasticdebris.Significantly,thelisteningmaterialcontradictsthereadingbypresentingthreecounterarguments.First,thereadingpassageclaimsthecostswilldecreasesincepeopleusenaturalcurrentstocarrytheplastic.Only400milliondollarsareneeded,anditcanclean7millionkilogramsofoceandebrisayear.However,thelisteningchallengesthisstatementbyhighlightingthatseawateriscorrosive,whichcandamagethedevices,makingthemrepairedregularly.Andtheexpensesarereallyhigh.Furthermore,thegarbageamountishightoo,sothetotalnumberofdevicesgoesto500.Therefore,theoverallcostsareexuberantlyhigh.Moreover,thefacilitiesdonotexertanegativeimpactonmarinecreatures.Withoutusingnets,whichcanlargelyharmanimals,thenewdevicesallowanimalstosurvive.Thelisteningrefutesthisbyassertingthatplanktonsonthedevicesarecarriedtothebarriersofthecoastlines,andthiscandamagethefood-chainsoftheseaenvironmentbecauseplanktonisthefoodsourceofmanyseaanimals.Thus,harmfuloutcomesstilloccur.Finally,plasticcollectedbythedeviceshasthechancetoberecycled.Polyethyleneandpolypropyleneareprocessedandsoldduetospecificprograms.Nevertheless,fromtheperspectiveofthelistening,thesetwomaterials,whichwerebrokedownintopiecesbytheocean,needtobeseparatedaswellascleanedbeforerecycling.Consequently,theprocedurescostahugeamountofmoneyandeffort.Norecyclingcompaniesareinterestedindoingthis.
