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- 2022-09-12 [简答] 选择题 Isthat6a.m.wokeoutgettinginthewayofgoodsleep?Don'tthinkyourfatcellswon'tnotice.AnewstudypublishedinTheAnnalsofInternalMedicine(amedicaljournal)findsthatinadequateshut-eyehasaharmfuleffectonfatcells,reducingtheirabilitytorespondtoinsulin(胰岛素)byabout30percent.Overthelong-term,thisdecreasedresponsecouldsetthestagefortype-2diabetes(amedicalconditioninwhichsomeonehastoomuchsugarinhisorherblood),fattyliverdiseaseandweightgain. Thestudyaddstoagrowingbodyofevidencethatthere'“anintimaterelationshipbetweentheamountofsleepwegetandourabilitytomaintainagood,healthybodyweight,”sayssleepexpertHeleneEmsellem,directoroftheCenterforSleepandWakeDisordersinChevyChase,Maryland.ButAmericansdon'tseemtobegettingthemessagethatweneedseventoninehoursparnight.Morethan1in5ofus,accordingtoareportfromtheCentersforDiseaseControlandPrevention,isgettingsixorfewerhoursofsleeppernight,onaverage. SohowdidresearchersstudyfatcellsintheAnnalspaper?MatthewBradyoftheUniversityofChicagoandagroupofcolleaguesselectedandpersuadedsevenvolunteerstotakepartintheresearchproject.Theywereallyoung,thinandhealthyandagreedtosleepforeightnightsinasleeplab.“Forfournightstheywereallowedtostayinbedfor8.5hoursanight,”saysBrady.Then,amonthlater,theycamebackforfouradditionalnights——butthistimetheywereallowedjust4.5hoursofsleeppernight.Andaftereachvisit,researchersgotasampleoftheirfat.Bradyexplainsthatthefatcellsrespondedsignificantlytothelossofsleep.“Iwasverysurprisedtobehonest,”hesays. Badthingscanhappenwhenfatcellsbecomelessresponsivetoinsulin.“Fatcellsareactuallyyourfriend,”hesays.“They'retheretostorelipids(血脂).”Whenlipidsstayinsidethecells,yourbodycanutilizethefatwhenyou'reexercisingorsleepingorgoingaboutyourday.“However,whenfatcellsstaretobecomeinsulinresistant,thelipidsstartoleachoutofthefatcellsandriseinthebloodstream,”Bradysays. 1.Accordingtothepassage,lackofsleepforalongwhilecanprobablyleadtoallofthefollowingEXCEPT. A.heartdisease B.weightgain C.diabetes 2.Themainideaofthethirdparagraphis . A.howtowriteamedicalresearchpaper B.howtoavoidsleeploss C.howtheresearchwasconducted 3.Whatdoesthe“leach”inthelastparagraphprobablymean? A.Leap. B.Lead. C.Leak. 4.WhichofthefollowingisNOTTRUEaccordingtothepassage? A.Wewillbeintroubleifourfatcellsbecomelessresponsivetoinsulin. B.Moreandmorestudiesaredonetostudythelinkbetweensleepandweight. C.Morethan20%ofAmericansarenotgettingenoughsleep. 5.Whichofthefollowingisanappropriatetitleforthispassage? A.PoorSleepMayLeadtoTooMuchStoredFatandDisease B.SleepExpertsHadExcitingFindingsinaFatStudy C.AmericansShouldHaveMoreThanSixHoursofSleep
- 2022-09-12 [简答] 二、单选题
- 2022-09-12 [单选] 1.下列关于商事关系特点的表述错误的是（ ）
- 2022-09-12 [单选] 2.商法原则是指立法者规定的，反映商法本质属性，贯穿商事活动的始终，统领商事立法和司法活动的根本准则，主要包括（ ）
- 2022-09-12 [单选] 3.个人独资企业与个体工商户在商法本质上是相同的，两者都执行《个人所得税法》，但同时存在重要差异，下列选项错误的是（ ）
- 2022-09-12 [单选] 4.下列属于合伙企业特征的是（ ）
- 2022-09-12 [单选] 5.下列关于商行为的表述错误的是（ ）
- 2022-09-12 [单选] 6.下列选项不属于商行为的是（ ）
- 2022-09-12 [单选] 7.依照商行为的内容，商行为可以分为（ ）
- 2022-09-12 [单选] 8.以下关于商事账簿的选项错误的是（ ）