The study published in the journal Nature indicates that ______. The authors of the Ambio study have found that______.

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问题 The study published in the journal Nature indicates that ______.
The authors of the Ambio study have found that______.

选项 A、forests get rid of lead pollution faster than expected
B、lead accumulations in forests are more difficult to deal with
C、lead deposits are widely distributed in the forests of the U.S.
D、the upper layers of soil in forests are easily polluted by lead emissions

答案A

解析 第六段最后一句话说;"森林环境处理和散发铅的速度比科学家们原先预料的要快得多"。A项"森林化解铅污染的速度比预料的要快"吻合文章原意。B项"森林中铅的存积更难处理"则和原文意思相反。C项"铅的累积被广泛遍布在美国森林中"和D项"森林中的上层土壤容易受到铅散发的污染"在文章中均没有提及。
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