Unit1-单元高考阅读课件

素养阅读系列单元高考阅读读有所获练有所得词汇积累长难句分析学有所益读有所获阅读提示：文章指出美国孩子缺乏睡眠的问题，列举了不同年龄段的孩子所需的睡眠时间、青少年晚睡的原因以及学校为解决青少年的睡眠问题所采取的措施等。读有所获GettinglesssleephasbecomeabadhabitformostAmericankids.Accordingtoanewsurvey(调查）bytheNationalSleepFoundation,51%ofkidsaged10to18gotobedat10pmorlateronschoolnights,eventhoughtheyhavetogetupearly.①LastyeartheFoundationreportedthatnearly60%of7-to12-year-oldssaidtheyfelttired.duringtheday,and15%saidtheyhadfallenasleepatschool.读有所获Howmuchsleepyouneeddependsalotonyourage.Babiesneedalotofrest;mostofthemsleepabout18hoursaday!Adultsneedabouteighthours.Formostschool-agechildren,tenhoursisideal(理想的).ButthenewNationalSleepFoundationsurveyfoundthat35%of10-to12-year-oldsgetonlysevenoreighthours.Andguesswhatalmosthalfofthesurveyedkidssaidtheydobeforebedtime?WatchTV.读有所获“MorechildrenaregoingtobedwithTVson,andtherearemoreopportunities(机会)tostayawake，withmorehomework，theInternetandthephone,”saysDr.MaryCarskadon,asleepresearcheratBrownUniversityMedicalSchool.Shesaystheseactivitiesatbedtimecangetkidsallexcitedandmakeithardforthemtocalmdownandsleep.②Otherexpertssaypartoftheproblemischemical.Changinglevelsofbodychemicalscalledhormonesnotonlymaketeenagers’bodiesdevelopadultcharacteristics,butalsomakeithardforteenagerstofallasleepbefore11pm.③读有所获Becausesleepinessissuchaproblemforteenagers,someschooldistrictshavedecidedtostarthighschoolclasseslaterthantheyusedto.Threeyearsago,schoolsinEdina,Minnesota,changedthestarttimefrom7:25amto8:30am.Students,parentsandteachersarepleasedwiththeresults.答案:1.A.答案解析1练有所得1.WhatisthenewNationalSleepFoundationsurveyon?A.Americankids’sleepinghabits.B.Teenagers’sleep-relateddiseases.C.Activitiestopreventsleeplessness.D.Learningproblemsandlackofsleep.答案:2.B.答案解析1练有所得2.WhydoteenagersgotosleeplateaccordingtoCarskadon?A.Theyareaffectedbycertainbodychemicals.B.Theytendtodothingsthatexcitethem.C.Theyfollowtheirparents’examples.D.Theydon’tneedtogotoschoolearly.学有所益长难句分析①句意:根据美国国家睡眠基金会的一项新的调查，十到十八岁的孩子中，百分之五十一的人在上学期间晚上10点或更迟一些上床睡觉，尽管他们得早早起床。分析:这是一个主从复合句。eventhough在句中引导让步状语从句。②句意:她说在睡眠时间的这些活动能让孩子们感到非常兴奋，使他们平静下来睡觉变得困难。分析:这是一个主从复合句。动词says后接宾语从句，宾语从句中含有“make+形式宾语it+宾语补足语+forsb.todosth.”结构。学有所益长难句分析③句意:体内叫作荷尔蒙的化学物质水平的改变不仅让青少年的身体发展出成人的特征，还让他们在晚上11点之前入睡变得困难。分析:动名词短语Changinglevelsof...作主语，过去分词短语calledhormones在句中作后置定语，notonly...butalso...在句中连接两个并列的成分。借助文中“关键句”进行推理判断第一步:找到题干中的关键词语，理清题干所表达的意义。例如第1题题干中的关键词语为“thenewNationalSleepFoundation。第二步: