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

2、.I.,andcolleaguesstudied201studentsingradesninethrough12attendingaRhodeIslandhighschoolwheretheclassstarttimewaschangedfrom8a.m.to8:30a.m.foratwo-monthperiod.Studentscompletedonlinesurveysbeforethechangeinclasstimeandthenafter.Owensandherteamfoundthat:★Thepercentageo

3、fstudentsgettinglessthansevenhoursofsleeppernightdroppedby79.4%.★Studentsreportingatleasteighthoursofsleeppernightincreasedfrom16.4%atthestartofthestudyto54.7%aftertwomonths.★Thepercentageofstudentswhoreportedfeelingatleastsomewhatunhappyordepresseddroppedfrom65.8%to

4、45.1%.★Thepercentageofstudentswhoreportedfeelingannoyedthroughoutthedayalsodropped,from84%to62.6%.★Reportsofvisitingahealthcenterfortiredness-connectedsignsdecreasedfrom15.3%to4.6%.ThefindingsarepublishedintheJulyissueofArchivesofPediatrics&AdolescentMedicine.Adjusti

5、ngschooltimesforteenagersisacontroversialtopicbecausesomeexpertsarguethatalaterclassstarttimewillresultinstudentsgoingtobedlaterandmakethecycleofgettingtoolittlesleepworse.Theresearchersnotethatalaterclassstarttimeledtotheoppositeeffect-kidswenttobedalittleearlierand

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

7、.increasesthestudents’readingtimeduringtheweekB.makesstudentshavemoretimetoworkparttimeC.helpsstudentsbeactive,attentiveandcreativeD.increasestheiraverageheightandweight2.Howdidthestudentshelptofinishthestudyandsurvey?A.Ontheinternet.B.Answerquestionsatthestreets.C.C

8、ompleteformsathospitals.D.Completeformsatsomeschools.3.Whatdoweknowfromthefindingscoveringthedecayedclassstarttime?6A.Morestudentsg