新视野大学英语第三版第二册课文语法讲解Unit8演示教学Word文档格式.docx

新视野大学英语第三版第二册课文语法讲解Unit8演示教学Word文档格式.docx

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anevilperson.Ibecameachildren'

sdoctorbecauseofmyloveforchildren

andmysupremedesiretokeepthemhealthy.Duringmedicalschool

andresidency,Isawmanychildrendieofcancerandbloodshedfrominjury—

circumstancesagainstwhichmedicinehasmadegreatprogressbutstilhasa

longwaytogo.Moreimportantly,Ialsosawchildrenhealthythanksto

advancesinmedicalsciencesuchasinfantbreathingsupport,powerfulnew

medicines

and

surgical

techniques

the

entire

field

oforgantransplantation.Mydesiretotipthescalesinfavorofhealthy,happy

childrendrewmetomedicalresearch.

*2Myaccusershavetwistedthetruthintoafableandcastmeas

thedevil.TheyclaimthatIhavenomoralcompass,thatItortureinnocent

animalsforthesolepurposeofcareeradvancement,andthatmyexperiments

havenorelevancetomedicine.Meanwhile,anuncaringpublicbarelywatches,

convinced

that

issue

has

no

significance,

publicity-conscioussenatorsandpoliticiansincreasinglygivewayto

thelobbyingofanimalrightsactivists.

3We,inmedicalresearch,havealsobeenunbelievablyuncaring.Wehave

alowedthemostextremeanimalrightsprotesterstocreepinandframethe

issueasoneof"

animalfraud"

andhatred.Wehavepersistedinourbeliefthat

aknowledgeablepublicwouldconsenttotheimportanceofanimalresearch

forpublichealth.Perhapswehavebeenmistakeninnotrespondingtothe

emotionaltoneoftheargument.Perhapsweshouldhaverespondedtothose

sadslogansandpostersofanimalsbywavingequalysadpostersofchildren

dyingofcancerorexternalwounds.

4Intheanimalrightsforum,muchismadeofthevolumeofpaintheseanimals

experienceinthenameofmedicalscience.Activistsdenythatwearetryingto

helpandsayitisevidenceofourevilandcruelnature.Amorereasonable

argument,however,canbeadvancedinourdefense.Lifeisoftencruelto

animalsandhumanbeings.Teenagersareflungfromtrucksandsuffersevere

headinjuries.Youngchildrenbarelyabletowalkfindthemselvesatthebottom

ofswimmingpoolswhileaparentisoccupiedwithsomethingelse.From

everydaygermstogangviolence,nolifeisfreeofpain.Physicianshopingto

relievetheeternalsufferingofthesetragedieshaveonlythreechoices:

1）

createananimalmodeloftheproblemtounderstandtheprocessandtestnew

therapies;

2）experimentonhumanbeings（someexperimentswilsucceed,

mostwilfail）;

or3）leavemedicalknowledgestatic,hopingthataccidental

discoverieswilleadusforward.

5Someanimalrightsactivistswouldsuggestanoptionalfourthchoice,

*******claimingthatcomputermodelscancreateanimalexperiments,

thusomittingactualexperiments.Computerscanimitatetheeffectsof

wel-understoodprinciplesoncomplexsystems,asintheapplicationofthe

lawsofphysicstoairplaneandautomobiledesign.However,whenthe

principlesthemselvesareinquestion,asisthecasewiththecomplex

biologicalsystemsofhumanlifeunderstudy,computermodelingaloneisof

littlevalue.

6Oneoftheterrifyingeffectsofarrestingtheuseofanimalsinmedical

researchisthattheimpactwilnotbefeltforyearsorevendecades.Drugsto

cureinfectionwilremainundiscovered,surgicalanddiagnostictechniqueswil

remainundeveloped,andfundamentalbiologicalprocessesthatmighthave

beenunderstoodwilremainmysteries.Thereisthedangerthatquick

decisionsbywel-meaningpoliticianswilcreateresolutiontodiplomaticaly

satisfythesmalminorityofloudprotesterswhiletheconsequencesand

damagingimpactofthosedecisionswilnotbeapparentuntillongafter.

7Fortunately,mostofusenjoygoodhealth,andtheagonyofwatchingone'

s

childdiehasbecomearareexperience.Yetourgoodfortuneshouldnotmake

usunappreciative.Protectionfromserioussicknessanddrugstocombatheart

*disease,highbloodpressureandstrokearealbasedonanimal

research.Mostcomplexsurgicalproceduressuchasheartorhipsurgeryand

organ

transplantation

surgeries

were

initialy

developed

in

animals.Techniquestoreplacedefectivegenes,thecauseofsomuch

disease,aswelasthedevelopmentofsyntheticorgansarepresently

undergoinganimalstudies.Thesestudies,andanysubsequentadvances,wil

effectivelyendifanimalresearchisseverelyrestricted.

8InAmericatoday,deathhasbecomeaneventisolatedfromourdaily

existence.Asadoctorwhohaswatchedmanychildrendieandseentheir

parents'

infinitegrief,Iamparticularlyangeredbyanyminut