含有定语从句的短文.doc

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1、Duringyourteenageyears,itisimportanttogiveyourbodytheenergythatitneeds.Ifyouskipmeals,youdon’tgetenoughcaloriesthatyourbodyneed,andthenyoufeeltired.Bytheway,“calories”isjustanotherwordwhichisusedtomeanenergy.Teenagegirlsneedabout2200caloriesadayandboysneedabitmore---doctorssuggest2800forteenageboy

2、s.50^%ofyourcaloriesshouldcomefromrice,bread,vegetablesandfruittheyeat.Youalsoneedtodrinkalotofwater,6to8glassesaday.Waterhelpskeepyoursystemclean.Drinkingenoughwaterwillimproveyourskinandgiveyouhealthyhair.           Exerciseissomethingthatcanhelptomakeyoulookgoodandbehealthy.Expertssuggestthatte

3、enagersspendatleast30minutesexercises,fivetimesaweek.Thatiseasytodo!Walkingandridingyourbikecount,andsodoschoolsports.Manyteenagersaresurprisedtolearnthatwhenyouexercise,yourbodyproducesomechemicalsthatmakeyoufeelrelaxedandincreaseyourabilitytoconcentratewhenyoustudy.Thesechemicalscanevenhelpyousl

4、eepbetteratnight.