请人工翻译一下 谢谢!

Long ago, near the village of Hedley, there lived a strange and playful trickster (骗子), known
as the Hedley Kow. Sometimes it looked like an ordinary object. Sometimes it looked like a donkey
or a goat.
One evening, as an old woman went along the path, she saw an old iron pot lying in the ditch.
"Fancy that," she said. "Nobody seems to want this old pot. I will take it home and plant pretty
flowers in it."
When she tried to lift it, she saw that it was full of gold pieces. "Well, now, if that doesn't beat
all," she said. "I'm rich! I can buy a fine house and fancy clothes."
The pot was heavy, so she tied her shawl around it and began to drag it home. After a while,
she stopped to rest. When she looked in the pot, she was amazed to see that it was full of silver
pieces!
"Oh, my God!" she said. "Aren't I the lucky one! If it were gold, thieves would have been after
me. My friends might have been jealous. But I can hide these silver pieces, take out a few at a time,
and live like a queen."
On she went, pulling the pot after her. She was nearing home now. At her gate, she looked into
the pot. What a surprise! The silver had changed into a lump (块) of iron. "Iron," she said. "Well,
now! No one will be jealous or want to steal this from me. I can use this iron to prop my door open
and let in fresh air and sunlight. Lucky me!"
As soon as she said that, the pot began to grow and later it became a goat. Then it jumped up
and ran off down the road laughing.
"Fancy that!" said the old woman. "I believe I have seen the Hedley Kow! Not many folks can
say that, and that's a fact. I'll just sit up by my fire tonight thinking about how lucky I was to see it
for myself. I truly must be the luckiest person in the world!"

第1个回答  2014-07-05
复制铅存款、可积聚在土壤和雪在1960年和70,都是造成温室气体排放含铅汽油发源于美国。摘要近20年来《清洁空气法案》已经使用无铅汽油授权,在美国全球领先积累有明显的减少。

最近公布的一项研究表明,在《自然》杂志的铅所产生的温室气体排放空气美国的女万二高浓度的铅在雪地里格陵兰岛。新研究持续的研究结果的领导下,一位专家查尔斯Boutron患病的影响环境重金属的国家的科研中心在法国。Boutron患病的一项研究表明,发表在1991年里的铅含量北极的)北极(德军下降。

在他的新研究发现Boutron患病的比例不同形式的领先于含铅汽油在美国使用的比例不同于欧洲、亚洲和加拿大gasolines,从而使科学家能够鉴别(区分)引线的来源。占统治地位的领导比雪在格陵兰岛上发现和汽油中发现来自美国。

发表的一项研究中,科学家们发现记录杂志里的铅含量土壤已经减少美国的东北部明显自从介绍了无铅汽油。

许多科学家认为,领导将待在土壤和雪,所需时间较长。

研究报告的撰写者们研究检查记录的上层的样品相同地点土壤取自30森林地板在新英格兰,纽约和宾西法尼亚州1980年建厂以来,在1990年。森林环境处理和再分配领先的速度比科学家所预期的要好。

科学家们说,这两项研究表明,生态系统的某些部分(生态系统)迅速地反应减少大气污染,但是这发现不应该作为许可证污染。
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