2023年大学英语六级考试考前点题卷二

共享题干题Questions1共享题干题Questions1to10arebasedonthefollowingpassage.Usingacomputerorsmartphoneatnightcancauseustopileonthepounds,newresearchhasrevealed.Thestudyfoundalinkbetweenbluelightexposure—bluelightis1bysmartphonesandtablets—andincreasedhunger.Itfoundthatexposuretothelightincreaseshungerlevelsforseveralhoursandevenincreaseshungerlevelsaftereatingameal.ResultsoftheUSstudyshowthatblue-enrichedlightexposure,comparedwith2lightexposure,was3withanincreaseinhungerthatbegan15minutesafterlightonsetandwasstillpresentalmosttwohoursafterthemeal.Bluelightexposurehasalsoalreadybeenshowntodecreased4intheeveningincreasingtheriskofinsomnia.Studyco-authorIvyCheung,ofNorthwesternUniversity,inChicago,said:"Asinglethree-hourexposuretoblue-enrichedlightintheevening5impactedhungerandglucosemetabolism.""Theseresultsareimportantbecausetheysuggestthatmanipulatingenvironmentallightexposureforhumansmayrepresentanovel6ofinfluencingfoodintake于中国经济在21世纪的快速发展，美国的公立和私立学校纷纷在外语课程中加入汉语这一科目，或将已有的汉语教学项目进行扩展。据统计，在美国的学校中，有5万名孩子在学习汉语。但推动汉语项目的发展不是没有遇到困难。由于缺乏受过专业训练、持有证书的教师，一些学校很难加入汉语教学的竞争。当学校聘用教师时，它们通常直接从中国招聘，这种方式为文化冲突埋下了隐2023年大学英语六级考试考前点题卷二minutestowriteashortessayen,titledTheInfluenceofArtificialIntelligenceinEducation.Youshouldwriteatleast150wordsbutnoMMNmechanisms0slightlypatternsandmetabolism."Thestudygroup710healthyadultswithregularsleepandeatingscheduleswhoreceived8carbohydrate~richmeals.Theycompletedafour-daytrialunderdimlightconditions,whichinvolvedexposuretolessthan20luxduring16hours9andlessthanthreeluxduringeighthoursofsleep.Ondaythreetheywereexposedtothreehoursof260lux,blue-enrichedlightstarting10.5hoursafterwakingup,andtheeffectswerecomparedwithdimlightexposureondaytwo.MsCheungsaidmoreresearchisneededtodeterminethe10ofactioninvolvedintherelationshipbetweenlightexposure,hungerandmetabolism.［单选题］1.空白处1应填？C.associatedGcomprisedHsleepinessIagenciesJsignificantKapproachLidenticalupmuchupmuchoftheirimmigrantpadeficits.Forexample,second-generationMexican-Americanssecureanaverageof12gradesofschoolingwheretheirparentsobtainedlessthannine.Thatmeanstheyerase70percentoftheirparents'lagbehindthird-generationnon-HispanicWhitesinasinglegeneration.Allofthishandsthestateagoldenopportunity.Atatimewhenmanystateswillstrugglewithlabourshortagesbecauseofmodestpopulationgrowth,Arizonahasapricelesschancetobuildapopulous,hardworkingandskilledworkforceonwhichtobasefutureprosperity.TheproblemisthatArizonaanditsLatinoresidentsmaynotbeabletoseizethisopportunity.FartoomanyofArizona*sLatinosdropoutofhighschoolorfailtoobtainthebasiceducationneededformoreadvancedstudy.Asaresult,［educationaldeficits］areholdingbackmanyLatinos—andthestateaswell.Tobesure,constructionandlow-endservicejobscontinuetoabsorbtensofthousandsofLatinoimmigrantswithlittleformaleducation.Butoverthelongterm,mostofArizona*sLatinocitizensremainill-preparedreason,theeducationalupliftofArizona*shugeLatinopopulationmustmovetothecentreofthestate*sagenda.Afterall,theeducationdeficitsofArizona*sLatinopopulationwillseverelycrampthefortunesofhard-workingpeopleiftheygounaddressedandcouldwellundercutthestate*sabilitytocompeteintheneweconomy.Attheentrylevel,slowergrowthratesmaycreatemorecompetitionforlow-skilljobs,displacingLatinosfromasignificantmeansofsupport.Atthehigherend,shortagesofLatinoseducationallyreadytomoveupwillmakeitthatmuchharderforknowledge-basedcompaniesstaffhigh-s