内蒙古北京八中乌兰察布分校2017-2018学年高二下学期第一次调考英语试题

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1、2017-2018学年第二学期第一次调考高二年级英语试题（命题人：萨琪儿审核人：吕瑛钿分值：120分时间：100分钟）注意事项：1.答卷前，考生务必将自己的姓名、考号填写在答题卡上。2.将答案写在答题卡上，写在本试卷上无效。3.考试结束后，将答题卡交回。第一部分：阅读理解（本大题共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列四篇短文，从每小题后所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该选项涂黑。PassageAGettinglesssleephasbecomeabadhabitformostAmericankids.Accordingtoa

2、newsurvey（调查）bytheNationalSleepFoundation,51%ofkidsaged10to18gotobedat10pmorlateronschoolnights,eventhoughtheyhavetogetupearly.LastyeartheFoundationreportedthatnearly60%of7-to12-year-oldssaidtheyfelttiredduringtheday,and15%saidtheyhadfallenasleepatschool.Howmuchsleepyouneeddependsalotonyourage.B

3、abiesneedalotofrest：mostofthemsleepabout18hoursaday!Adultsneedabouteighthours.Formostschool-agechildren,tenhoursisideal（理想的）.ButthenewNationalSleepFoundationsurveyfoundthat35%of10-to12-year-oldsgetonlysevenoreighthours.Andguesswhatalmosthalfofthesurveyedkidssaidtheydobeforebedtime?WatchTV.nMorec

4、hildrenaregoingtobedwithTVson,andtherearemoreopportunitiestostayawake,withmorehomework,theInternetandthephone,"saysDr.MaryCarskadon,asleepresearcheratBrownUniversityMedicalSchool.Shesaystheseactivitiesatbedtimecangetkidsallexcitedandmakeithardforthemtocalmdownandsleep.Otherexpertssaypartofthepro

5、blemischemical.Changinglevelsofbodychemicalscalledhormonesnotonlymaketeenagersfbodiesdevelopadultcharacteristics,butalsomakeithardforteenagerstofallasleepbefore11pm.Becausesleepinessissuchaproblemforteenagers,someschooldistrictshavedecidedtostarthighschoolclasseslaterthantheyusedto.Threeyearsago

6、,schoolsinEdina,Minnesota,changedthestarttimefrom7:25amto8：30am.Students,parentsandteachersarepleasedwiththeresults.1.WhatisthenewNationalSleepFoundationsurveyon?A・Americankidsfsleepinghabits.B.Teenagers'sleep-relateddiseases.C>Activitiestopreventsleeplessness.D・Learningproblemsandlackofsleep.2.

7、Howmanyhoursofsleepdo11-year-oldsneedeveryday?A.7hours.B.8hours.C.10hours.D.18hours.3.WhydoteenagersgotosleeplateaccordingtoCarskadon?A.Theyareaffectedbycertainbodychemicals.B.Theytendtodothingsthatexcitethem.C>Theyfollowthe