2010考研英语一翻译真题详解 .pdf

2010考研英语一翻译真题详解(新东方)

北京新东方学校唐静

Onebasicweaknessinaconservationsystembasedwhollyoneconomic

motivesisthatmostmembersofthelandcommunityhavenoeconomicvalue.

Yetthesecreaturesaremembersofthebioticcommunityand,ifitsstability

dependsonitsinteyrity,theyareentitledtocontinuance。

Whenoneofthesenoneconomiccategoriesisthreatenedand,ifwehappento

loveitweinventexcusestogiveiteconomicimportance.Atthebeginningof

centurysongbirasweresupposedtobedisappearing.46)Scientistsjumpedto

therescuewithsomedistimctlyshakyevidencetotheeffectthatinsectswould

eatusupofbirdsfailedtocontrolthem.Theevideucehadtobeeconomicin

ordertobevalid。

Itispamfultoreadtheseroundaboutaccountstoday.Wehavenolandethic

yet,47)butwehaveatleastdrawnnearthepointofadmittingthatbirdsshould

continueasamatterofintrinsicright,regardlessofthepresenceorabsenceof

economicadvantagetous。

Aparallelsituationexistsinrespectofpredatorymammalsandfish-eatingbirds.

48)Timewaswhenbiologistssomewhatoverworkedtheevidencethatthese

creaturespreservethehealthofgamebykillingthephysicallyweak,orthat

theypreyonlyon“worthlessspecies。

Somespeciesoftreehavebeenreadoutofthepartybyeconomics-minded

forestersbecausetheygrowtooslowlyorhavetoolowasalevaluetopayas

timbercrops.49)Ineurope,whereforestryisecologicallymoreadvanced,the

non-commercialtreespeciesarerecognizedasmembersofnativeforest

community,tobepreservedassuch,withinreason。

Tosumup:asystemofconservationbasedsolelyoneconomicself-interestis

hopelesslylopsided.50)Ittendstoignore,andthuseventuallytoeliminate,

manyelementsinthelandcommunitythatlackcommercialvalue,butthatare

essentialtoitshealthyfunctioning.Itassumes,falsely,Ithink,thatthe

economicpartsofthe