Whenabigexamiscomingupyouprobablyfeelanxiousaboutanywastedtimeandwanttobeginschoolassoonasyouprobablycan.ButtensofthousandsofBritishhighschoolstudentswillsoonbegettinguplater.They’retakingpartina

　　Whenabigexamiscomingupyouprobablyfeelanxiousaboutanywastedtimeandwanttobeginschoolassoonasyouprobablycan.

　　ButtensofthousandsofBritishhighschoolstudentswillsoonbegettinguplater.They’retakingpartinanewexperimentbyOxfordUniversitytoseeiflaterclassescanimprovetheirexamresults.

　　Grades10studentsintheUKhavetotakethenationwideGeneralCertificateofSecondaryEducation(GCSE)exams.Theyhavetopasstheseexamsinordertostudymoreadvancedcoursesandlaterapplyforuniversities.

　　TheOxfordUniversityprojectmeansthatGCSEstudentsfrommorethan100schoolsacrossEnglandwillstartschoolat10ammorethanonehourlaterthanthecurrentstarttime(8:50am).

　　Theprojectisbasedonscientificevidencethatteenagersare“outofsync(同步)”withtraditionalschoolhourstheTelegraphreported.Andwhattheyneedismoresleepinthemorning.

　　“Weknowthatsomethingfunnyhappenswhenyou’reateenagerinthatyouseemtobeoutofsyncwiththeworld”saidprofessorColinEpsiewhoisleadingthestudy.“Yourparentsthinkit’sbecauseyouarelazyandopinionated（固执己见的）andeverythingwillbeOKifyoucouldgettosleepearlier.Butscienceistellingusthatteenagersneedtosleepmoreinthemornings.”

　　Everyonefollowsanaturalcycleofsleepandwakefulness.Biologyhasdecidedthatteenagersgotosleeparoundmidnightanddon’tfeelfullyawakeuntil9-10amaccordingtoscientists.That’stwohourslaterthanadults.Andtheirbodyclocksstaylikethisuntiltheageofaround21formalesand19forfemales.

　　“Societyprovidesschoolforlearningbutthebrainprovidessleep.Soweareexploringthepossibilitythatifyoudelaytheschoolsstarttimeuntil10amthatwillimprovelearningperformance”saidEpsie.

　　Theresultscouldbepositivebasedonpreviousstudies.

　　AnearlystudyattheUK’sMonkseatonHighSchoolin2009foundthatstartinganhourlaterimprovedgradesincoresubjectsby19percent.

　　TheOxfordprojectisexpectingtopublishtheresultsin2018.It’stimetowaitandseewhetherscientistswillgiveusanexcusetogetuplate.

　　24. AccordingtothearticlestudentswhotakepartintheOxfordUniversityproject_______.

　　A.wil