供水施救系统应优先采用静压供水,当不具备条件时,采用动压供水
1、正确正确
暂无解析
防御素是一类具有抗菌活性的蛋白质，广泛存在于动物体中。有关说法错误的是
—Howmanycomputers_____inyourclassroom?
—Therearetwo.
()Pleasegivemetwobottlesof_______.
China________(形容词)
“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?
