WhatIstheImportanceofHealthandHowtoKeepFit?

　　A--Tom,whyhaven'tyoubeentoschoolthesedays?What'swrongwithyou?

　　B--Ihavehadacold,andmyheadachesterribly.

　　A--That'stoobad,andIamsorrytohearthat.Tom,healthisofgreatimportancetousall,paygreatattentiontoit.

　　B--Iknow.Andonlywearehealthycanwedothethingswell.Amanwithbadhealthwoulddonothing.

　　A--Yes.Butunfortunately,noteveryoneknowstheimportanceofhealth.

　　B--Yes.Butwhatshouldwedotokeepfit?

　　A--Well,inmyopinion,firstofall,weshouldhaveabalanceddiet,eatlessfatandmeatandmorevegetablesandfruit.Secondly,we'resupposedtohaveenoughsleepandtakeregularexercise.

　　B--That'ssoundsright.andnowIknowwhyIoftenfallill.Ishouldnothavestayedupatnightfromquitealongtime.