Groupexerciseisoneofthemosteffectivewaystoimprovephysicalfitnessandsustain(保持)ahealthylifestyle.Groupexerciseischallengingyetfunandempowering!Ofcourseeveryoneknowsthatexerciseisgoodforthebody.Howeverstud

　　Groupexerciseisoneofthemosteffectivewaystoimprovephysicalfitnessandsustain(保持)ahealthylifestyle.Groupexerciseischallengingyetfunandempowering!Ofcourseeveryoneknowsthatexerciseisgoodforthebody.Howeverstudieshaveshownthatwhenexerciseisperformedingroupsit'snotonlygreatforimprovingphysicalhealthbutforpsychologicalhealth.It'sanopportunitytobesocialreleaseendorphins（内啡肽）andimproveyourstrength.Additionallygroupexercisecreatesacommunityfeelandthesharedcommongoalmotivatesparticipantstoworkhard.Theinstrumentalsupportoftakingonafitnessjourneywithothersprovesmoreeffectivethangoingtothegymalone.

　　Anotherbeneficialaspectofgroupexerciseistheinformationalsupportparticipantsreceivefromtheinstructor.Manypeoplefearthegymbecausetheyfeellostanddon'twanttoembarrassthemselves.Ifyoufeelyoucanrelatethengrouptrainingisanevenbetteroptionforyou.It'sagreatopportunitytolearnmoreaboutfitnessthroughtheclearinstructionandsupervision(监管)ofafitnessinstructor.Ifyou'retiredofwanderingaroundthegymwastingtimeandbecomingboredyoucanattendanupbeatgroupfitnessclassthat'llkeepyourworkoutontrack.Don'tletfitnessfrightenyou!

　　Ifyou'reseriousaboutwantingtoliveahealthylifestyleit'sextremelyimportanttosurroundyourselfwithpeoplewho'llprovideyouwiththeproperemotionalsupport.Iwouldn'tscoldanyonefordecidingtopartyonweekendsandinturnIwouldn'texpectanyonetogiveoffencetomeforfocusingonmyhealth.Surroundyourselfwithpeoplewhoupliftencourageandunderstandyou!Makefitnessevenmorefunbytryingsomethingneworanygroupfitnessclasswithafriend.Plantogoforajogtogether.Thentryafunhealthyrestaurantorfreshjuicebar!Fitnesscanbebothfunandsocial!

　　Surroundingyourselfwithpeoplewho'llprovideyouwithrespectsupportcanbeverybeneficialwhileworkingtowardsreachinghealthandfitnessgoals.Firstdecidetodoitforyourselfandworktowardsstayingpositive.Thenmakesurethepeopleyousurroundyourselfwitharesupportive.Don'tletnegativityruinyourmotivation.

　　8.Thefirstparagraphfocuseson _______.

　　A. thegreatestchallengeofgroupexer