“Earlytobed，earlytorise”makesamanhealthy,wealthyandwise.It'sgoodforthebody.Thisisanoldsaying.Haveyouheardofitbefore?Itmeansthatwemustgotobedearlyatnight，andgetupearlyinthemorning.Thenweshallbehealthy.Weshallalsoberichandclever.Thatistrue.Thebodymusthaveenoughsleeptobehealthy.Childrenofyoungageshouldhaveenoughsleep，ortheycan'tdotheirworkverywell.Theywillnotbewiseandtheymaynotbecome。wealthy!.Thebodyalsoneedsexercise:walking,running,jumping,swimming,playinggamesandallother。exercise.Exercisekeepsthebodystrong.Exercisealsohelpsthebloodtomovearoundinsidethe.body.Thisisveryimportant.Ourbloodtakesfoodtoallpartsofourbody.Theheadalsoneeds.blood.Exercisehelpsustothinkbetter.
根据短文内容，回答问题.
1.Whatdoes“earlytobed.earlytorise”mean?
2.Whatmustthebodyhavetobehealthy?
3.WhatwillhappentoChildrenofyoungagewhodon'thaveenoughsleep?
4.Whatkeepsthebodystrong?
5.Whattakesfoodtoallpartsofourbody?
()1. Could you help me， please?A. OK.
()2. Thanks a lot.B. You're welcome.
()3. Let's put the books in the box.C. It's Monday.
()4. Can you carry it?D. No ，it's full.
()5. Who's on duty today?E. lam.
()6. Is it empty?F. No ，it's light.
()7. What day is it today?G. Certainly.
()8. Is that bag heavy?H. No. Li Lei isn't here. .
()9. Are we all here today?I. No ，thanks.
()10. Let me help you.J. Yes，I can.
A car travels at a rate of 50 miles per hour.How long will it take to travel 300 miles?