2020_2021学年上海徐汇区华东理工大学附属中学高一下学期期中英语试卷(详解)

2020~2021学年上海徐汇区华东理工大学附属中学高一下学期期中英语试卷(详解)一、语法填空（本大题共10小题，每小题1分，共10分）1.【答案】【解析】Babiesshouldsleepintheirmother'sbeduntiltheyareatleastthreeyearsold,which1(claim)byadoctorlastnight.Thedoctorfoundthattwo-day-oldbabies2dozed（打瞌睡）ontheirmother'schestsleptbetterthanthosewhowereplacedincots（婴儿床）.Researchersfearthatsleepingalonedamagesthedevelopmentofthebrain,3(lead)tobadbehaviorasthechildgrowsup.Dr.NilsBergman,oftheUniversityofCapeTown,SouthAfrica,saysthatforidealdevelopment,healthynewbornsshouldsleepontheirmother'schestforthefirstfewweeks.Afterthat,theyshouldstayinthemother'sbed4theyarethreeorevenfouryearsold.Sixteenbabieswerestudiedwhilethey5(sleep)ontheirmother'schestandinacotbyherbed.Itwasrevealed6thebaby'sheartwasunderthreetimesasmuchstresswhenheorshesleptalone.7(be)inacotalsoaffectedsleep,withthebabieslesslikelytomaketheswitchbetweentwotypesofsleep8(call)activeandquiet.Inthecots,onlysixoutofthesixteenhadanyquietsleepanditsqualitywasfar9(bad).Makingthisswitchisthought10(be)thekeytothenorm