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精品中学教师招聘考试真题【轻巧夺冠】.docx

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专业精品中学教师招聘考试题库，word格式可自由下载编辑，附完整答案！精品中学教师招聘考试真题【轻巧夺冠】第I部分单选题（50题）1.我国到本中世纪中叶的奋斗目标是（）。A:全面建成小康社会B:实现社会主义现代化C:解决温饱问题D:消除贫富差别答案：B2.CAdeclineinmemoryasaresultofageingcanbetemporarilyreversedusingaharmlessformofelectricalbrainstimulation,scientistshavefound.Thestudyfocusedonapartofcognitioncalledworkingmemory,thebrainsystemthatholdsinformationforshortperiodswhilewearemakingdecisionsorperformingcalculations.Workingmemoryiscrucialforawidevarietyoftasks,suchasrecognisingfaces,doingarithmeticandnavigatinganewenvironment.Workingmemoryisknowntosteadilydeclinewithage.Onefactorinthisdeclineisthoughttobeadisconnectionbetweentwobrainnetworks.Inthestudy,publishedinthejournalNatureNeuroscience,42peopleaged20-29and42peopleaged60-76wereassessedinaworkingmemorytask.Theoldergroupwereslowerandlessaccurateonthetests.Thescientiststhensubjectedthemallto25minutesofnon-invasivebrainstimulation.Thisaimedtomakethetwotargetbrainregionsworktogetherbypassinggentlepulsesofelectricitythroughthescalp(头皮)andintothebrain.Afterthetreatment，workingmemoryintheolderadultsimprovedtomatchtheyoungergroupandtheeffectappearedtolastfor50minutesafterthestimulation.Thosewhohadscoredworsttostartwithshowedthelargestimprovements.Whiletheseresultswereexcitingandpromising.DardoTomasi,ascientistattheNationalInstituteonAlcoholAbuseandAlcoholisminBethesda,whowasnotinvolvedintheworksaidthatlargerstudieswouldbeneededtoconfirmthefindingsandassesshowtheymightbeappliedclinically.D.JamesPicketeheadofresearchattheAlzheimer'sSociety,said,“Wecan’tcure,preventorevenslowdowndementia(痴呆)，soitvitalweexploreallpossibleareasfortreatments.Alteringandcorrectingthecircuitryofthebrainwithtechnologyisanewexcitingavenueofresearchfordementia.Deep-brainsimulationasurgicalprocedureusedinParkinson’s,isproofofprinciplethatthisapproachmayonedaybefruiA:TheapproachissuccessfulforslowingdownthedeclineinmemoryB:MoreresearchesareneededbeforetheresultsareappliedtopatientsC:PreservingthecircuitryofbrainisadirectionofresearchfordementiAD:Thosewhohadworstme