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1、SECTIONADirections:Readthefollowingpassage.Completethediagram/Fillinthenumberedblanksbyusingtheinformationforthepassage.WriteNOTMORETHAN3WORDSforeachanswer.Leadpoisoning(铅中毒)happenswhenleadispresentinhighlevelsinthebloodofaperson.Itisoneofthemostcommonme
2、dicalproblemsfoundinchildren.Andit，simportanttorecognizethepresenceofleadinchildren'sbodiesbecauseleadisveryharmful.Childrenoftengoaroundandputthingsintheirmouthslikepaintpeelings-Thisisoneofthemaincausesofleadpoisoning.Ithasalsobeenfoundthatchildrenbomi
3、npoorfamilieshavehigherchancesofgettingexposedtolead.Someofthecommonsymptomsofleadpoisoninginchildrenareheadaches,stomachpains,hairloss,muscleweakness,andweightloss,etc.Leadpoisoningcanhavebadeffectsandcanleadtoheartdiseases,kidneydiseasesandneurological
4、申经系统的)problems.ItcanalsoresultinmentaldullnessandalowI.Q.level.Therehavebeencaseswhereleadpoisoningprovedtobeterminalforchildren.It'sdifficulttoeasilyrecognizewhetherachildisaffectedbyleadpoisoning,asthesymptomsofthisdiseasecanoccurduetosomeothermedicalp
5、roblems.Therefore,childrenundertheageof6shouldregularlybecheckedtoknowthelevelofleadintheirbloodthroughbloodtests.It'spossibletocompletelycureachildwithleadpoisoningthroughtreatment.Usuallytheoralmedicinechelator(螯合剂
6、)isgiventothechildren.Sometimes,child
7、renaregivenaninjection(注身寸)forreducingtheleadlevel.Childrenwhohaveveryhighlevelofleadintheirbloodwouldneedtreatmentforalongperiodoftimeandwouldalsobeputonaspecialdiet.Parentshavetotakecertainprecautions(预I坊)tolowerthechanceofleadpoisoninginchildren.Clean
8、ingthehouseregularlyandremovingshoesatthedooraftercominginformoutsidewillpreventtheleadparticlesfromenteringthehouse.Childrenshouldbeputonahealthydiet,containinghighproportions(比例)ofcalciumandiron,suchaseggs,milk,fruits,potatoes,etc.Whichhelpstokeepthele
9、adlevelsincontrol,inthechildren'sbodies.Inshort,it'samusttobecautiousandcareful,andprotectyourchildrenfromthehorribleresultsofleadpoisoning.LeadPoisoninginChildren(71).•Children'sgoingaroundandputtingthingsintheirmouths・•H
