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1、......2015年5月9日北京学位英语考试真题答案PartIReadingComprehension(30%)Directions:Therearethreepassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD,Youshoulddecideonthebestchoiceandblackenthecorrespondingle
2、tterontheAnswerSheet.Passage1Questions1to5arebasedonthefollowingpassage:Babieswhoarebreast-fedmaybemorelikelytobesuccessfulinlife,anewstudypublishedTuesdaysuggests.Thestudyfollowedmorethan3,000babiesintoadulthoodinBrazil.Theresearchersfoundthosewhowerebreast-fedsco
3、redslightlyhigherinintelligencetestsintheir30s,stayedinschoollongerandearnedmoremoneythanthosewhoweregivenformula（配方奶粉）.“Breast-feedingnotonlyhasshort-termbenefits,butalsobreast-feedinghaslong-termbenefits,"saysBernardoLessaHortaoftheFederalUniversityofPelotasinBra
4、zil,wholedthestudybeingpublishedinTheLancetGlobalHealth.(76)Doctorshavelongknownthatbreast-feedingcanbegoodforababy'shealth.Thisisespeciallytrueinpoorcountries,wherewatercanbecontaminated.Forinstance,ababygivenformulaindevelopingcountriesis14timesmorelikelytodieint
5、hefirstsixmonthsthanonewho'sbreast-fed.IntheU.S.,someresearchhassuggestedthatbreast-feedingmayraiseababy'sIQ（智商）byafewpoints.Butarecentstudywithsiblings（兄弟姐妹）foundlittleadvantagetobreast-feeding.Hortasaysthesepreviousstudiesdidn'tfollowchildrenintoadulthoodtoseeifb
6、reast-feedinghadlong-termeffects.SoHortaanalyzeddatacollectedfrom3,493volunteersheandhiscolleagueshavebeen.专业专注.......followingsincebirth.Theyarenowintheir30s.First,theresearchersgavethesubjectsIQtests.Thosewhowerebreast-fedfor12monthsormorehadIQtestscoresthatwere3
7、.76pointshigherthanthosewhowerebreast-fedforlessthanonemonth,theteamfound.WhenHortaandhiscolleagueslookedathowmucheducationthesubjectshadgottenandhowmuchmoneytheyweremaking,theyalsofoundacleardifference:Thosewhowerebreast-fedthelongeststayedinschoolforaboutanextray
8、earandhadmonthlysalariesthatwereaboutathirdhigher.1.Fromthepassage,welearnthatHorta_______________.A.isfromBrazilB.conductshisresearchintheU.S.C.
