PAGEPAGE3写作提升练(六)概要写作1浏览上面短文,根据其内容写一篇60词摆布的概要。Anew,first-of-its-kindstudyexaminestheconnectionbetweenteacherburnoutandstudents’stresslevels.ResearchersfromtheUniversityofBritishColumbiacollectedsaliva(唾液)samplesfromover400elementaryschoolchildren,gradesfromfourtoseven,at17publicschools.Cortisol(皮质醇)levelswerethenassessedfromthesamplesasthehormoneiscommonlyusedasabiologicalindicatorofstress.Correspondingly,teacherburnoutwasdeterminedthroughsurveyresults.Investigatorsfoundthatinclassroomsinwhichteachersexperiencedmoreburnout,orfeelingsofemotionalexhaustion,students’cortisollevelswereelevated(提升).Highercortisollevelsinelementaryschoolchildrenhavebeenlinkedtolearningdifficultiesaswellasmentalhealthproblems.ThestudyappearsinthejournalSocialScience&Medicine.“Thissuggeststhatstresscontagion(蔓延)mightbetakingplaceintheclassroomamongstudentsandtheirteachers,”saidEvaOberle,Ph.D.,thestudy’sleadauthor.Indeed,therelationshipbetweenstudentstressandteacherburnoutisachickenandeggquestion.“Itisunknownwhatcamefirst,elevatedcortisolorteacherburnout.Weconsidertheconnectionbetweenstudentandteacherstressacyclicalproblemintheclassroom.”Oberlesaidastressfulclassroomclimatecouldbearesultofinadequatesupportforteachers,whichmayimpactteachers’abilitytoeffectivelymanagetheirstudents.Apoorlymanagedclassroomcancontributetostudents’needsnotbeingmetandincreasingstress.Thiscouldbereflectedinelevatedcortisollevelsinstudents.Alternatively,stresscouldoriginatefromstudents,whomaybemorechallengingtoteachbecauseofincreasesinanxiety,behavioralproblems,orspecialneeds.Inthiscase,teacherscouldfeeloverwhelmedandreporthigherlevelsofburnout.“Ourstudyisareminderofthesystemicissuesfacingteachersandeducatorsasclassroomsizesincreaseandsupportsforteachersarecut,”saidOberle.“Itisclearfromanumberofrecentresearchstudiesthatteachingisoneofthemoststressfulprofessions,andthatteachersneedadequateresourcesandsupportintheirjobsinordertobattleburnoutandrelievestressintheclassroom,”saidUniversityofBritishCol