北京地区成人学士学位英语统一考试真题及答案文档格式.docx
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北京地区成人学士学位英语统一考试真题及答案文档格式.docx
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anintimaterelationshipbetweentheamountofsleepwegetandourabilitytomaintainagood,healthybodyweight,"
sayssleepexpertHeleneEmsellem,directoroftheCenterforSleepandWakeDisordersinChevyChase,Maryland.(76)ButAmericansdon'
tseemtobegettingthemessagethatweneedseventoninehourspernight.Morethen1in5ofus,accordingtoareportfromtheCentersforDiseaseControlandPrevention,isgettingsixorfewerhoursofsleeppernight,onaverage.
SohowdidresearchersstudyfatcellsintheAnnalspaper?
MatthewBradyoftheUniversityofChicagoandagroupofcolleaguesselectedandpersuadedsevenvolunteerstotakepartintheresearchproject.Theywereallyoung,thinandhealthyandagreedtosleepforeightnightsinasleeplab."
Forfournightstheywereallowedtostayinbedfor8.5hoursanight,"
saysBrady.Then,amonthlater,theycamebackforfouradditionalnights--butthistimetheywereallowedjust4.5hoursofsleeppernight.Andaftereachvisit,researchersgotasampleoftheirfat.(77)Bradyexplainsthatthefatcellsrespondedsignificantlytothelossofsleep."
Iwasverysurprisedtobehonest,"
hesays.
Badthingscanhappenwhenfatcellsbecomelessresponsivetoinsulin."
Fatcellsareactuallyyourfriend,"
h.esays."
They'
retheretostorelipids(血脂)."
Whenlipidsstayinsidethecells,yourbodycanutilizethefatwhenyou'
reexercisingorsleepingorgoingaboutyourday."
However,whenfatcellsstarttobecomeinsulinresistant,thelipidsstarttoleachoutofthefatcellsandriseinthebloodstream,"
Bradysays.
第1题单选Accordingtothepassage,lackofsleepforalongwhilecanprobablyleadtoallofthefollowingEXCEPT________
A.heartdiseaseB.weightgainC.DiabetesD.liverdisease
答案:
A
第2题Themainideaofthethirdparagraphis________
A.howtowriteamedicalresearchpaperB.howtoavoidsleeploss
C.howtheresearchwasconductedD.howtoconductamedicalexperiment
C
第3题Whatdoestheword"
leach"
inthelastparagraphprobablymean?
A.Leap.B.Lead.C.Lean.D.Leak.
D
第4题WhichofthefollowingisNOTTRUEaccordingtothepassage?
A.Wewillbeintroubleifourfatcellsbecomelessresponsivetoinsulin.
B.Moreandmorestudiesaredonetostudythelinkbetweensleepandweight.
C.Morethan20%ofAmericansarenotgettingenoughsleep.
D.Fatcellsaretheretohelpusmaintainagoodhealth,
第5题Whichofthefollowingisanappropriatetitleforthispassage?
A.PoorSleepMayLeadtoTooMuchStoredFatandDisease
B.SleepExpertsHadExcitingFindingsinaFatStudy
C.AmericansShouldHaveMoreThanSixHoursofSleep
D.BadThingsHappenifFatCellsBecomeOurFriend
B
Thetopoftheworldisawonderland.Inwinter,thetemperatureoftenfallsto-30~Fandthesunneverrises.Theoceanissurroundedbyfrozenground.Therearefewpeopleortrees,buttopolarbears,theArctic(北极)ishome.
(78)Polarbearshavethickfur,bigpawsandotherfeaturesthatmakethemwellpreparedforlifeintheirtoughenvironment.Infact,theyneedtheArcticseaiceforsurvival,Butclimatechangeiscausinglargerandlargerareasofsummerseaicetomelt(融化).Expertssaythatifwarmingpatternscontinue,theArcticcouldbefreeofsummerseaiceby2050.Thatmaycausetwo-thirdsoftheword'
s20,000polarbearstobegonebythentoo.
Polarbearscan'
tsurviveforlongonland.Sealsaretheirmainsourceoffood.Theonlyplacewherepolarbearscanhuntsealsisontheice.(79)Althoughthesebearsarestrongswimmers,theyarenomatchforlightningswirlsealsinthewater.Apolarbearhasbrilliantlycleverstrategiestoovercomethisdisadvantage.Inwinterthebearwaitsmotionlessbesideaseal'
sbreathinghole,whichisanarrowtunnelthroughtheice.Oftenmanyhourspassbeforethesealcomesupforairandthcbearkillsitwithapowerfulblowofitspaw.Insummer,thepolarbearsthatliveonlandcatverylittleandwaitfortheseaicetoreturn.
Withtheseaiceforminglaterintheyearandmeltingearlier,polarbearsdonothaveenoughopportunitytohuntandeat.Lessseaicemakesitharderforthebearstocatchtheseals.Thebearsmustswimlongerdistancesbetweenicepacks(大片浮冰),andtheycan'
talwaysmakeit.Theiceisalsogettingthinner.Theseconditionscancausepolar-bearcubstobecomeseparatedfromtheirmothers,whoprovidethemwithfood.
StevenAmstrupisthechiefscientistofPolarBearInternational.Thegroupaimstosavethebearsandtheirhome."
Themorepeoplewhoseepolarbearsandunderstandtheirdifficultsituations,thebetterthechancewe'
11alterourwarmingpathintimetosavethem,"
第6题Whichisthebesttitleforthepassage?
A.ClimateChangeintheArcticB.HowtoProtecttheEnvironment
C.TheArcticIsHometoPolarBearsD.PolarBearsinDanger
第7题Wheredopolarbearsusuallyhuntseals?
A.Onland.B.Inopenwater.C.Inopeningsintheseaice.D.Atthebottomofthesea.
第8题Theword"
cubs"
inthefourthparagraphisclosestinmeaningto_______
A.AdultsB.babiesC.HuntersD.enemies
第9题Accordingtothepassage,whichofthefollowingstatementsisTRUE?
A.Starvingpolarbearsareincreasinglycomingintovillages,wheretheymaybekilledeitherforfoodorsafety.
B.Polarbearscanspendtheirentirelivesonlandiftheseaicemeltscompletely.
C.Two-thirdsoftheworld'
spolarbearsmaydisappearby2050asglobalwarmingcontinues.
D.Thegrowingdistancebetweenicepacksisnotaproblemforpolarbears,becausetheyareexcellentswimmers.
第10题What'
sthemissionofPolarBearsInternational?
A.Savingenergy.B.Conductingscientificresearch.
C.Seekinginternationalcooperation.D.Savingpolarbearsandtheirhome.
Imagineaschoolthatexpecteditsstudentstobecomeliterate(有读写能力的)withoutanyformalinstruction.Mostparentswouldbealarmedbysuchanapproach,whichwouldleavetheirchildrenconfusedandwithgapsintheirunderstanding.Thishoweverhasbeenthephilosophyoncharacterdevelopmentinmanyofourschools.Whyisthedevelopmentofcharacterseenassome-howdifferentfromtheotherskillsthatweteach?
Ofcoursetherewillalwaysbelearningbyosmosis(耳濡目染)inanyschool,butasateacherandprimaryschoolheadIhavefoundthatachild'
smoralliteracyisstrengthenedwhentheyacquirethebuildingblocksofgoodcharactersuchasconsideration,courageandhonor:
qualitieswhicharecommonlyknownasvirtue(美德).
Ipersonallyfindthatexploringavirtueoveratwo-weekperiodprovidesasimpleandeffectiveprogramthatallowsforthecreativeinputofbothteacherandstudentandachanceforthevirtuetoembed(使融入)itself.Oncealessononavirtuesuchashonestyhasbeencompletedweneedto
allowtimeforchildrentopracticethisconceptjustaswouldbethecasewithfractionsorverbs.
Allowingchildrentoroleplayasituationsuchasmakingupexcusestocoveramistakecanbeenormouslyinteresting,andthedramacanbefrozenallowingthecharacterstobequestionedabouttheirfeelingsandmotives.(80)It'
salsoasafewayforchildrentoexperienceforthemselveshowalieusuallygoesoutofcontrol.
Ourroleaseducatorsisalsotolookforopportunitiestohelpourstudentsastheyattempttostrengthentheircharacters.Whensomethinggoeswrongweguidetheyoungpersontothevirtuethatwillpreventitfromhappeningagain.Forinstance,whenastudentthoughtlesslydisturbsthecalmatmosphereofthelibrary,insteadofaresponsesuchas,"
thatwasreallydisrespectfulandselfishofyou!
"
wedrawoutfromthemtherequiredvirtue:
"
Whenyou'
rewalkingthoughthelibrary,whatvirtuesdoyouneedtouse?
第11题Whichofthefollowingisthemainideaofthispassage?
A.Teachingmoralsandvalueshasbeenafrequentlydiscussedtopicinthepastfewyears.
B.Theauthorandhisstaffembedvirtuesintolessonsandschoollifetoencouragecharacterdevelopmentinchildren.
C.Kidsthroughoutthepopulationfacethesameneeds,thesamechallenges,andthesamerealitiesintheirlives.
D.RoleplaysareanexcellentwayofgettingstudentstopracticetheirEnglish.
第12题Wecaninferfromthefirstparagraphthat_______
A.theretendstobedisagreementaboutwhatcharactereducationis
B.mostparentsarenotsatisfiedwiththeteachingmethodsadoptedinschools
C.theapproachtocharactereducationisgenerallyconsidereddifferentfromtheapproachestootherskills
D.moreandmoreschoolsareadoptingstrategiestoimproveschoolattendance
第13题Theword"
philosophy"
inthefirstparagraphisclosestinmeaningto._______
A.studyB.SubjectC.viewpointD.investigation
第14题Theauthorisa________
A.TeacherB.librarianC.ReporterD.manager
第15题WhichofthefollowingisNOTmentionedinthepassageasawaytobuild
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