高考英语一轮复习 unit 2 working the land单元检测卷[新人教版]必修4

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1、Unit2WorkingthelandⅠ.阅读理解Asimplehalf-hourdelayinhighschoolstarttimeledtoasignificantimprovementinstudents’mood,alertness,andmotivation,andincreasedtheiraveragesleeptimeduringtheweek,accordingtoanewstudy.JudithA.Owens,MD,MPH,attheHasbroChildren’sHospitalinProvidence,R.I.,and

2、colleaguesstudied201studentsingradesninethrough12attendingaRhodeIslandhighschoolwheretheclassstarttimewaschangedfrom8a.m.to8:30a.m.foratwo-monthperiod.Studentscompletedonlinesurveysbeforethechangeinclasstimeandthenafter.Owensandherteamfoundthat:★Thepercentageofstudentsgetti

3、nglessthansevenhoursofsleeppernightdroppedby79.4%.★Studentsreportingatleasteighthoursofsleeppernightincreasedfrom16.4%atthestartofthestudyto54.7%aftertwomonths.★Thepercentageofstudentswhoreportedfeelingatleastsomewhatunhappyordepresseddroppedfrom65.8%to45.1%.★Thepercentageo

4、fstudentswhoreportedfeelingannoyedthroughoutthedayalsodropped,from84%to62.6%.★Reportsofvisitingahealthcenterfortiredness-connectedsignsdecreasedfrom15.3%to4.6%.ThefindingsarepublishedintheJulyissueofArchivesofPediatrics&AdolescentMedicine.Adjustingschooltimesforteenagersisa

5、controversialtopicbecausesomeexpertsarguethatalaterclassstarttimewillresultinstudentsgoingtobedlaterandmakethecycleofgettingtoolittlesleepworse.Theresearchersnotethatalaterclassstarttimeledtotheoppositeeffect-kidswenttobedalittleearlierandtheiroverallsleepqualityandduration

6、(持续时间)improved.Theresearcherswritethattheschoolfaculty（全体教员）didnotfavorthedelayedclassstarttime,butafterseeingthestudents’changeinattitudeandperformance,everyonehadachangeofheart.1.Accordingtothenewstudyweknowdelayedclassstarttime.A.increasesthestudents’readingtimeduringthe

7、weekB.makesstudentshavemoretimetoworkparttimeC.helpsstudentsbeactive,attentiveandcreativeD.increasestheiraverageheightandweight2.Howdidthestudentshelptofinishthestudyandsurvey?A.Ontheinternet.B.Answerquestionsatthestreets.C.Completeformsathospitals.D.Completeformsatsomescho

8、ols.3.Whatdoweknowfromthefindingscoveringthedecayedclassstarttime?6A.Morestudentsg