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1、第I卷第一部分 阅读理解(共两节，满分40分)第一节 (共15小题；每小题2分，满分30分)阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。APeoplewhoeatchocolateregularlytendtobethinner,newresearchsuggests.Thefindingscomefromastudyofnearly1，000USpeoplethatlookedatdiet,calorieintakeandbodymassindex(BMI)—ameasureofobesity.Itfoundthosewhoatechocolateaf
2、ewtimesaweekwere,onaverage,slimmerthanthosewhoateitoccasionally.Eventhoughchocolateisloadedwithcalories,itcontainscomponentsthatmayfavourweightlossratherthanfatsynthesis(合成),scientistsbelieve.Despiteboostingcalorieintake,regularchocolateconsumptionwasrelatedtolowerBMIinthestudy,whichispublish
3、edinArchivesofInternalMedicine.Thelinkremainedevenwhenotherfactors,likehowmuchexerciseindividualsdid,weretakenintoaccount.Accordingtotheresearchers,thereisonlyonechancein100thattheirfindingscouldbeexplainedbychancealone.LeadauthorDrBeatriceGolomb,fromtheUniversityofCaliforniaatSanDiego,said,“
4、Ourfindingsappeartoaddtoabodyofinformationsuggestingthatthecompositionofcalories,notjustthenumberofthem,mattersfordeterminingtheirimpactonweight.”Thisisnotthefirsttimescientistshavesuggestedthatchocolatemaybehealthyforus.Otherstudieshaveclaimedchocolatemaybegoodfortheheart.Consumptionofcertai
5、ntypesofchocolatehasbeenlinkedtosomefavourablechangesinbloodpressure,insulinsensitivityandcholesterollevel.Andchocolate,particularlydarkchocolate,doescontainantioxidants(抗氧化剂)whichcanhelptowipeawayharmfulfreeradicals—unstablechemicalsthatcandamageourcells.However,whilethere'snoharminallowingy
6、ourselfatreatlikechocolatenowandagain,eatingtoomuchmightbeharmfulbecauseitoftencontainsalotofsugarandfattoo.Andifyouarelookingtochangeyourdiet,youarelikelytobenefitmostfromeatingmorefreshfruitandvegetables.1．Whatdoestheunderlinedword“that”inParagraph1referto?A．Thestudy.B．Thefindings.C．Therese
7、archers.D．The1，000USpeople.2．Theresultsoftheresearchindicatethatwhatmattersthemostis________．A．whenweeatchocolateB．howmuchchocolateweeatC．whattypeofchocolateweeatD．howoftenweeatchocolate3．AccordingtoDrBeatriceGolomb,thefactorsthatinfluencewei
