高三英语单元复习调研检测卷18

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1、Ⅰ.阅读理解Asimplehalf-hourdelayinhighschoolstarttimeledtoasignificantimprovementinstudents’mood,alertness,andmotivation,andincreasedtheiraveragesleeptimeduringtheweek,accordingtoanewstudy.JudithA.Owens,MD,MPH,attheHasbroChildren’sHospitalinProvidence,R.I.,andcolleaguesstudied201studentsingradesninet

2、hrough12attendingaRhodeIslandhighschoolwheretheclassstarttimewaschangedfrom8a.m.to8:30a.m.foratwo-monthperiod.Studentscompletedonlinesurveysbeforethechangeinclasstimeandthenafter.Owensandherteamfoundthat:★Thepercentageofstudentsgettinglessthansevenhoursofsleeppernightdroppedby79.4%.★Studentsrepo

3、rtingatleasteighthoursofsleeppernightincreasedfrom16.4%atthestartofthestudyto54.7%aftertwomonths.★Thepercentageofstudentswhoreportedfeelingatleastsomewhatunhappyordepresseddroppedfrom65.8%to45.1%.★Thepercentageofstudentswhoreportedfeelingannoyedthroughoutthedayalsodropped,from84%to62.6%.★Reports

4、ofvisitingahealthcenterfortiredness-connectedsignsdecreasedfrom15.3%to4.6%.ThefindingsarepublishedintheJulyissueofArchivesofPediatrics&AdolescentMedicine.Adjustingschooltimesforteenagersisacontroversialtopicbecausesomeexpertsarguethatalaterclassstarttimewillresultinstudentsgoingtobedlaterandmake

5、thecycleofgettingtoolittlesleepworse.Theresearchersnotethatalaterclassstarttimeledtotheoppositeeffect-kidswenttobedalittleearlierandtheiroverallsleepqualityandduration(持续时间)improved.Theresearcherswritethattheschoolfaculty（全体教员）didnotfavorthedelayedclassstarttime,butafterseeingthestudents’changei

6、nattitudeandperformance,everyonehadachangeofheart.1.Accordingtothenewstudyweknowdelayedclassstarttime.A.increasesthestudents’readingtimeduringtheweekB.makesstudentshavemoretimetoworkparttimeC.helpsstudentsbeactive,attentiveandcreativeD.increasestheiraverageheightandweight2.Howdidthestudentshelpt

7、ofinishthestudyandsurvey?[来源:学科网]A.Ontheinternet.B.Answerquestionsatthestreets.C.Completeformsathospitals.D.Completeformsatsomeschools.3.Whatdoweknowfromthefindingscoveringthedecayedclassstarttime?A.Morestudentsgetmorethanse