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北京地区本科学士学位英语统一考试2012年5月12日6.Accordingtothepassage,poorsleepcanbelinkedtoallofthefollowingEXCEPTA.heartdiseaseB.caraccidentsC.skinproblemsD.poorconcentration6．C.问题问“依据短文，睡眠不好可能与下列的选项相关联，除了哪个选项以外？”.Astheschoolyearkicksoff,parentsareonceagainstragglingtocajole(哄编)and,ifneedbe,dragtheirexhaustedteensoutofbed.Thatimagemaymakeyoulaugh,butlackofsleepisnojoke.(77)Teenagerswhodon’tgetenoughresthavemorelearning.health~behaviorandmoodproblemsthanstudentswhogetatleastninehoursanight.Long-termlackofsleepistiedtoheartdisease,（与选项A呼应）overweight,depressionandashortenedlifespaninadults,indicatingtheimportanceofestablishinggoodsleephabitsearlyinlife.Lackofsleepcanbeespeciallydeadlyforteens;caraccidentsaretheleadingcauseofdeathamongteenagers,andsafetyexpertsbelievesleepydrivingisamajorfactor.（与选项B呼应）Unfortunately,fewteenagersgetthesleeptheyneed.Inasurveyofmiddle-andhigh-schoolstudents,UniversityofColoradoresearchersfoundthat82percentsaidtheywokeuptiredandunrefreshed,andmorethanhalfhadtroubleconcentratingduringthedayatleastonceaweek.（与选项D呼应）只有C没有在文章中提到。7.ThemainideaofParagraph3isA.howsleepdeprivation(缺乏)canbetreatedB’whatcausessleepdeprivationC.whoismostatriskforsleepdeprivationD.whysleepdeprivationisaseriousconcern分析：问题问“第三段的大意是什么？”Blamemultitaskingforsomeofthis.Manystudentsarejugglingafter-schoolactivities,homeworkandpart-timejobs.Evenwhentheymanagetofulfilltheseobligationsbyareasonablehour,television,theInternet,videogames,phonecallsandtextmessagestofriendsoftenkeepthemawakedeepintothenight.Takingsodaandenergydrinkslateinthedayandgoingtolate-nightpartiesonweekendsaddtosleepdebt.Biologyalsoworksagainstteenagers’sleep,Thebody’sinternalclock,whichcontrolswhenapersonstartstofeeltired,shiftsafterpuberty(青春期),makingithardformostteenstofallasleepbefore11pm.Classusuallybeginsbefore8:15am,withmanyhighschoolsstartingasearlyas7:15am.Togettoschoolontime,mostteenshavetogetupby6:30am,guaranteeingthey’llbesleep-deprivedduringtheweek.Teensoftensleepmuchlateronweekendstocatchup,ma
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