电大_国开24秋《人文英语4》形考作业8
一、选择填空，从A、B、C三个选项中选出一个能填入空白处的最佳选项。（每题10分）
1.—HowlongwillyoubeawayfromItaly
A.Yes,I’llbeinItaly
B.Aboutamonth
C.Yes,it’salongwaytoItaly
2.—What’stheweatherlikeinthisarea
A.Verywell
B.It’srainy
C.Yes,it’sfine
3.Howmuchhasthecompany________________thisyear
A.broughtin
B.broughtdown
C.broughtout
4.Allstudentsarerequiredtotranslatethispoem________EnglishintoChinese.
A.with
B.from
C.on
5.Hestudiedhardatschoolwhenhewasyoung,_________contributedalottohissuccess.
A.which
B.therefore
C.what
二、阅读理解：选择题（每题10分）
6.选择题
Isthat6a.m.wokeoutgettinginthewayofgoodsleepDon’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.
SohowdidresearchersstudyfatcellsintheAnnalspaperMatthewBradyoftheUniversityofChicagoandagroupofcolleaguesselectedandpersuadedsevenvolunteerstotakepartintheresearchproject.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,lackofsleepforalongwhilecanprobablyleadtoallofthefollowingEXCEPT1.
A.heartdisease
B.weightgain
C.diabetes
2.Themainideaofthethirdparagraphis2.
A.howtowriteamedicalresearchpaper
B.howtoavoidsleeploss
C.howtheresearchwasconducted
3.Whatdoesthe“leach”inthelastparagraphprobablymean3
A.Leap.
B.Lead.
C.Leak.
4.WhichofthefollowingisNOTTRUEaccordingtothepassage4
A.Wewillbeintroubleifourfatcellsbecomelessresponsivetoinsulin.
B.Moreandmorestudiesaredonetostudythelinkbetweensleepandweight.
C.Morethan20%ofAmericansarenotgettingenoughsleep.
5.Whichofthefollowingisanappropriatetitleforthispassage5