【英语翻译Humanbeingsneedtodrinkfortheirsurvival．Waterranks__high__onthelistofall-timesafefluids．Butnotallwaterisassafeasonce__thought__．RecenttestsofwaterfountainsinseveralU．S．citiesshowthatmanyfountain】

　　英语翻译

　　Humanbeingsneedtodrinkfortheirsurvival．Waterranks__high__onthelistofall-timesafefluids．Butnotallwaterisassafeasonce__thought__．RecenttestsofwaterfountainsinseveralU．S．citiesshowthatmanyfountainsgivewatercontaininglarge__amounts__oflead（Pb）,apoisonousmetal．Arecentstudyof900waterfountainsinLosAngeles_revealed___thathalfofthefountains__tested__containedhigheramountsofleadthanthe_amount___theexperts

　　consider__safe__．Inothercities__similar__resultsoftestswereannounced：toomuchleadinmany,though___notall_,drinkingfountains．Waterdoesn‘tnormallycontainanylead,butwhenitpassesthroughpipes,itcan__becontaminated__．Peoplewhodrinkthewater__takein__thelead．Anadult‘sbodypassesmostofthelead__outof__thebody,butchildren‘s__body__retainsmorethanhalfthelead__swallowed__．Thismakeschildrenmorelikelytobeaffected．Lead

　　candamagethekidneys,cause__hearingloss__andimpairlearningandmemory．asmanyas____fourmillionchildreninU．S．A．alreadyhavehighlevelsofleadintheirbodies．Mostofthisleadcomesfrom__breathingair__pollutedwiththemetal．Theycan_pick___itupfromeatingdirtorpaintchipscontaininglead．In__anattempt__tolimittheleadinwaterfountains,officialsrecentlysuggestedthatfountains__found__tohavetoomuchleadbereplacedorrepaired．Andthatcertainlyrequiresalotofmoney