SuRef---014---拯救濒危物种(新GRE写作 Issue )(小姜老师发布)-豆柴文库

SuRef---014---拯救濒危物种(新GRE写作 Issue )(小姜老师发布).pdf

2024-09-16

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SavingMyRevisedGREIssue《拯救我的新GREIssue》(ManuscriptunderReview) ©CopyRight2012byJamesJiang.AllRightsReserved AuthorizedandprintedatToronto,Canada,June2012 SupplementaryRef 014拯救濒危物种 SavingEndangeredSpecies Sincelifebeganonthisplanet,countlessNomatterhowsmallorobscureaspecies,it specieshavecomeandgone,renderedcouldonedaybeofdirecthelptoallofus.A extinctbynaturallychangingphysicalandfungusthatoriginallygaveustheanti-bacterial biologicalconditions.SinceextinctionispartofmedicinespenicillinandcyclosporineAhas thenaturalorder,andifmanyotherspeciesdramaticallyincreasedthesuccessoforgan remain,somepeopleask:“Whysavetransplantoperations.Thecompoundtaxol endangeredspecies?WhatmakesthesewasfirstisolatedfromthebarkofthePacific animalsandplantssospecialthatmoneyandyew,asmalltreeofAmerica’sold-growth effortshouldbespenttopreserveandrecoverforestsinthePacificNorthwest.Taxolhas them?beenfoundtobeaneffectivetreatmentfor ovarian,breast,andothertypesofcancer. 【人类的责任】WhileextinctiondoesoccurNearly40percentofallmedicalprescriptions naturally,unfortunatelytheacceleratingdispensedannuallyintheUnitedStatesare declineofourwildanimalsandplantsislessderivedfromnatureorsynthesizedtomimic andlessaresultofnaturalevents.Mostnaturallyoccurringchemicalcompounds.Itis dangerstowildlifearefromhabitatlossandsoberingwhenonerealizesthatwiththe degradation,environmentalpollution,theextinctionofanyspecieswemaybethrowing introductionofexotic(non-native)organisms,awaythekeythatcouldunlockeffective andoverexploitation;allgenerallyadirecttreatmentstosaveandprolonghealthylives. resultofhumanactivities. 【物种与农业价值】Manyseemingly 【物种多样性】Whilescientistshaveclassifiedinsignificantformsoflifearebeginningto approximately1.7millionorganisms,manyshowimportantbenefitstoagriculturethatin millionsofadditionalspeciesremaintobemanycasestheyareasafe,effective,and describedbybiologists.Alloftheselivinglessexpensivealternativetosynthetic creatures,includingourselves,arepartofachemicals.Somefarmersareusinginsects complex,delic