- 阅读理解A
题干：Whatwouldmakeasmokermorelikelytoquit,abigrewardforsucceedingoralittlepenaltyforfailing?ThatiswhatresearcherswantedtoknowwhentheyassignedalargegroupofCVSemployees(CVSCaremarkisthecountry'slargestdrugstorechainbysales),theirrelativesandfriendstodifferentsmokingcessationprograms."Addingabitofastickwasmuchbetterthanapurecarrot.Theselargeemployersarespendinganaverageof$800to$900peremployeeperyear,butinwaysthatareoftenblindtonormalhumanpsychology"saidDr.ScottHalpern,wholedthestudy.Thetrialwasintendedtochangethat.Researchersrandomlyassignedtheparticipantstoanumberofprogramoptionsandletthemdecidewhethertheywantedtoparticipate.Thepenaltyprogramrequiredparticipantstodeposit$150;sixmonthslater,thosewhohadquitsmokingwouldgetthedepositback,alongwitha$650reward.Intherewardonlyprogram,participantsweresimplyofferedan$800paymentiftheystavedoffcigarettesforsixmonths.Thetrial,whichwasdescribedinTheNewEnglandJournalofMedicineonWednesday,wasthelargestyettotestwhetherofferingpeoplefinancialincentivescouldleadtobetterhealth.Researchersfoundthatofferingincentiveswasfarmoreeffectiveingettingpeopletostopsmokingthanthetraditionalapproachofgivingfreesmokingcessationhelp,suchascounselingornicotinereplacementtherapylikegum,medicationorpatches.Buttheyalsofoundthatrequiringa$150depositthatwouldbelostifthepersonfailedtostayoffcigarettesforsixmonthsnearlydoubledthechancesofsuccess.“Thisisanoriginalsetoffindings,”saidCassR.Sunstein,aHarvardlawprofessorwhohelpeddevelopsomeinfluentialideasinthefieldofbehavioraleconomics,notablythatifthesocialenvironmentcanbechanged--forexample,bypostingsimplewarnings--peoplecanbenudgedintobetterbehavior."Theycouldbeappliedtomanyhealthissues,likealcoholism,orwheneverpeoplefaceseriousself-controlproblems."Overall,successeludedmostofthestudyparticipants.Morethan80percentofsmokersinthemostpopularpurerewardsgroupwerestillsmokingattheendofthestudy.Evenso,researcherssay,theirsuccessratewasfargreaterthanforthosewhogotthetraditionaltreatment.SmokingisthelargestcauseofpreventabledeathintheUnitedStates.Diseaseslinkedtoitkillmorethan480,000Americansayear.Andevenasmalldeclinecouldhaveabighealtheffect.
题目： It is implied from the last paragraph that financial incentives（）. - A 、could get the highest success rate
- B 、changed 20 percent of smokers
- C 、might bring public health benefits
- D 、made most participants quit smoking
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参考答案【正确答案：C】
根据题干关键词the last paragraph和financial incentives定位到第五段。由该段第二、三句“在研究结束时，最受欢迎的纯奖励组中有超过80％的吸烟者依旧在吸烟。但研究人员表示，即便如此，他们的成功率仍远远超过了传统疗法”可知，即使纯奖励组的参与者大部分仍没戒烟成功，但成功率还是高于传统疗法，这表明提供经济奖励有可能带来公共卫生效益，故C项为正确答案。A项“可以获得最高的成功率”没有推断依据，且与文章主要内容相悖。B项“改变了20％的吸烟者”中的数字不够精准，不符合文中的More than。D项“让大多数参与者成功戒烟”与该段首句“总体而言，大多数研究参与者都没能成功戒烟”不符，故排除。
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