Everyoneknowsthatexerciseisimportant．Weallneedtoexercise．Doctorssayitisgoodforus．itmakesyourheartandbodystrong．Childrenwhooftenexercisearemorealert（灵活的）．Thismeanstheydobetterintestsandschoolworkthanthosewhodon'texercise．

　　Therearemanywaystoexercise．Youcanwalk,run,swim,skate,orplayballgames,Makesureyouexerciseinthefollowingways：youhavetolikewhatyou'redoing．Exerciseenoughbutnottoomuch．it'sbesttoexercisetwiceeachweek．Thirtyminuteseachtimeisenough．Tryallkindsofthinguntilyoufindone,twooreventhreesportsthatfeelrightforyou．

　　Youcanexerciseatfitnesscenters．Theyhavealotofequipment（设备）there.Theequipmentwillhelpexerciseyourarms,legsandotherpartsofbodytomakeyoufit．Somepeoplebuyequipmentfortheirhomes．Butitisveryexpensive．

　　Exercisingcanbefun．Friendscanexercisetogetheratafitnesscenter,ortheycanPlaysportstogether．Howdoyouexercise?

　　根据短文内容,

　　1．Inthetext,thewritertellsusthatweallneedto_________．

　　A．drinkB．sleepC．exerciseD．work

　　2．Whichofthefollowingsportsisnotinthetext?

　　A．FishingB．RunningC．swimmingD．Walking

　　3．Thewords“fitnesscenters”inChineseis___________．

　　A．商务中心B．健身中心C．购物中心D．医疗中心

　　4．Thebestwaytoexerciseisdoit__________．

　　A．onceaweekB．sometimesC．twiceamonthD．twiceaweek

　　5．Howlongshouldwedoexerciseisdoit___________．

　　A．AnhourB．HalfanhourC．20minutesD．40minutes

　　CABDB