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简介:Definitiveconclusionsconcerningtheimpactofexerciseinterventionsonchildren'smentalfunctioningaredifficulttoascertainbecauseofproceduraldifferencesamongstudies.Anarrativereviewofstudieswasconductedtoevaluatetheroleoftwotypesofexerciseinterventionsonchildren'scognition.Acuteandchronicexerciseinterventionswereclassifiedasquantitativeorqualitativeonthebasisofmanipulationsoftaskcomplexityand,byinference,mentalengagement.Bothtypesofinterventionsenhanceaspectsofchildren'scognition;however,theireffectsonmetacognitiveprocessesareunknown.Theroleofmetacognitiveprocessesandtheirregulationofchildren'sbehaviorandacademicperformancearehighlighted.
简介:Shortboard:短板、小板。长度在59—68之间,头部呈尖锐三角型,浮力小,需要推力够、形状佳的浪才能玩得痛快。属于技术板,转向灵活,可做花式动作。
简介:RecentarticlespublishedinNaturepointouthowsexbias,primarilyconcerningmale-exclusivity,inbiologicalresearchresultinmisleadingandambiguousscience.1-4Forexample,themajorityofanimalstudiespublishedinacademicjournalsusedonlymales,whileonlyverylimitedstudieswereinvestigatedinfemalesorbothsexes.Theconsequencesofsuchmale-favoredsexbiasinbiomedicalstudieshadleadtoahugecostinthebiomedicalindustryincludingdrugdevelopment.Between1997and2001,eightoutof10prescriptiondrugswerewithdrawnfromthemarketbytheUSFDAbecausetheyshowedmoresideeffects