2013高考英语杭州市一模(抢分题)强化训练(2)及答案根据短文内容,从短文后的选项中选出能填入空白处的最佳选项
选项中有两项为多余选项
Whatdoyou,thetrees,andabirdhaveincommon
71Alllivingthingsmusthavewatertosurvive,whethertheygetitfromawaterfountain,araincloud,oralittlebottleattachedtothesideofabirdcage.72Watermakesupmorethanhalfofyourbodyweightandapersoncan’tsurviveformorethanafewdayswithoutit.Why
Yourbodyhaslotsofimportantjobsanditneedswatertodomanyofthem.Forinstance,yourblood,whichcontainsalotofwater,carriesoxygentoallthecellsofyourbody.Withoutoxygen,thosetinycellswoulddieandyourbodywouldstopworking.Waterisalsoinlymph,afluid(流体)thatispartofyourimmunesystem(免疫系统),whichhelpsyoufightoffillness.73Waterisneededfordigestivejuices,urine,andpoop.Andyoucanbetthatwatermakesupmostofsweat.Inadditiontobeinganimportantpartofthefluidsinyourbody,eachcelldependsonwate