Studiesshowthatwalkingseveraltimesaweekcanlowertheriskofalotofdiseases．Theyincludeheartdisease，diabetes（糖尿病），stroke（中风）andboneloss（骨质疏松）．Walkingcanalsohelpyouloseweight．Studiesha

　　Studiesshowthatwalkingseveraltimesaweekcanlowertheriskofalotof

　　diseases．Theyincludeheartdisease，diabetes（糖尿病），stroke（中风）andboneloss（骨质疏松）．Walkingcanalsohelpyouloseweight．

　　Studieshavealsoshownthatwalkingforthirtyminutesadaycanslowdownand

　　evenpreventthedevelopmentoftypetwodiabetes．Walkingseveraltimesaweekisa

　　goodwaytocontrolweightandlosebodyfat．Studiesshowitalsohelpsreducefeelingsofsadness．

　　Expertssaywalkingisoneofthesafestwaystoexereise．Thereisalowriskofinjuries，Soitisgoodforpeoplewhoarestartinganexerciseprogramforthefirsttimeandforolderpeople．

　　Awalkingprogramiseasytostart．Youshouldwearlooseclothesandgoodshoes．Thereareshoesthataredesignedonpurposeforlotsofwalking，Doctorssayyoushouldwalkfastenoughtohaveyou breathehard．Yetyoushouldstillbeabletotalk．Letyourarmsmovefreelywhileyouarewalking．

　　Therearenorulesforstartingawalkingprogram．Youmightwalkshortdistances．Oryoumightwalkuphillstostrengthenyourlegmuscles（肌肉）．Healthespertssayyoucangetthemostfromawalkingprogramifyouwalkatabout6kilometersanhourforthirtyminutesaday．Youshoulddothisaboutseveraltimesaweek．

　　61．Walkingisoneofthe___waystoexerciseaccordingtothepassage．

　　A．funniest

　　B．worst

　　C．safest

　　D．fastest

　　62．WhichofthefollowingisNOTTRUEaccodingtothepassage．___

　　A．Ifyouareover70，you'dbetternotexercisewalking

　　B．Ifyouwanttopreventyourselffromheartdiseaseandstoke，youcankeepwalking

　　C．Ifyouwanttoloseweight，welkingseveraltimesaweekisagoodchoice

　　D．Whetheryouwalkshortdistancesorwalkuphills，it'sgoodforyourhealth

　　63．Accordingtothepassage，whichpictureisRIGHT？___

　　64．Doctorsor expertssuggestthatyoushould___whenyouarewalking．

　　A．weargoodshoesandtight（紧身的）clothes

　　B．walkasfastasyoucan

　　C．walkuntilyoucan'ttalk

　　D．walkwithyourarmsmovingfreely

　　65．Whichdoyouthinkisthebesttitle？___

　　A．AGoodWalkingProgram

　　B．WalkingtoBetter