回答72~75题：EArecentstudy,whileshowingagenerallypositiveattitudetowardscience,alsosuggestsawidespreadworrythatitmaybe"runningoutofcontr ol",Thisideaisdangerous.
Sciencecanbeaforceforevilaswellasforgood.Itsapplicationscanbechanneledeitherway,dependingonourdecisions.Thedecisionswemake,personallyorcollectively,willdeterminetheoutcomesofscience．Buthereisarealdanger.Scienceisadvancingsofastandissostr onglyinfluencedbybusinessesthatwearelikelytobelievewhateverdecisionswecometowillmakelittledifference.And,ratherthanfightingforthebestpossiblepolicies,wemaystepbackanddonothing.
Somepeoplegoevenfurther.Theysaythatd espitethemoralandlegalobjections（反对），whateverisscientificallypossiblewillbedone-somewhere,sometime.Theybelievethatsciencewillgetoutofcontr olintheend.Thisbeliefisdangeroustoo,becauseitfuelsasenseofhopelessnessanddiscouragesthenfrommakingeffortstobuildasaferworld．
Inourinterconnectedworld,thelackofagreementinandoutoftheworldofsciencecanleadtothefailuretocontr oltheuseofscience.Withoutacommonunderstanding,thechallengesof“contr olling"scienceinthiscenturywillbereallytough.Takehumancloningforexample.Despitethegeneralagreementamongscientistsonitspossiblehugeimpact（影响）ontr aditionalmoralvalues,somecountr iesstillgoaheadwiththeresearchanddevelopmentofitsrelatedtechniques．Theoutcomesarehardtopredict.
Therefore,discussionsonhowscienceisappliedshouldbeextendedfarbeyondscientificsocieties.onlythroughtheuntieseffortsofpeoplewithhope,canwebefullysafeagainstthemisuseofscienceandcansciencebestservemankindinthefuture
第17题：Whatcanweconcludefromtherecentstudy?
A．Peoplethinkhighlyofscience
B．Peopleholdmixedopinionsaboutscience
C．Scienceisgettingdangerouslyoutofcontr ol
D．Scienceisusedforbothgoodandbadpurposes
正确答案：B
