英语翻译Human beings need to drink for their survival.Water ranks __high__on the list of all-time safe fluids.But not all water is as safe as once __thought__.Recent tests of water fountains in several U.S.cities show that many fountain

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英语翻译Human beings need to drink for their survival.Water ranks __high__on the list of all-time safe fluids.But not all water is as safe as once __thought__.Recent tests of water fountains in several U.S.cities show that many fountain
英语翻译
Human beings need to drink for their survival.Water ranks __high__on the list of all-time safe fluids.But not all water is as safe as once __thought__.Recent tests of water fountains in several U.S.cities show that many fountains give water containing large __amounts__of lead(Pb),a poisonous metal.A recent study of 900 water fountains in Los Angeles _revealed___that half of the fountains __tested__contained higher amounts of lead than the _amount___the experts
consider __safe__.In other cities __similar__results of tests were announced:too much lead in many,though ___not all_,drinking fountains. Water doesn‘t normally contain any lead,but when it passes through pipes,it can __be contaminated__. People who drink the water __take in__the lead. An adult‘s body passes most of the lead__out of__the body,but children‘s __body__retains more than half the lead __swallowed__.This makes children more likely to be affected.Lead
can damage the kidneys ,cause __hearing loss__and impair learning and memory .as many as____four million children in U.S.A.already have high levels of lead in their bodies. Most of this lead comes from __breathing air__polluted with the metal.They can _pick___it up from eating dirt or paint chips containing lead.In __an attempt__to limit the lead in water fountains,officials recently suggested that fountains __found__to have too much lead be replaced or repaired.And that certainly requires a lot of money

英语翻译Human beings need to drink for their survival.Water ranks __high__on the list of all-time safe fluids.But not all water is as safe as once __thought__.Recent tests of water fountains in several U.S.cities show that many fountain
人类需要喝水以生存.水排名高的全时安全fluids.但名单上并非所有的水是安全的,因为曾经的喷泉在美国几个城市thought.Recent测试表明,许多喷泉让水含有大量铅(以Pb计)金额的900饮水机在洛杉矶有毒metal.A最近的一项研究发现,半数测试的喷泉含有高量的铅比额的专家
考虑安全..在其他城市的类似测试结果公布:.太多导致许多,虽然不是全部,饮水机水通常不包含任何铅,但是当它穿过管道,它可以被污染的人谁喝水取处于领先地位.一个成年人的身体传递的大部分铅除体外,但孩子的身体保持一半以上的铅.这使儿童更容易成为affected.铅
能损害肾脏,造成听力损失和损害学习和记忆.多达400万儿童在U.S.A.已经在他们的身体高浓度的铅.大部分的铅来自呼吸的空气污染与金属.他们可以把它捡起来进食含铅.在企图限制铅在水中喷泉污垢或掉漆,官员最近建议,发现喷泉有过多导致更换或repaired.并那肯定需要大量的资金

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