题目内容
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提问人：网友13***556
发布时间：2022年4月5日 20:22
[单项选择题]
Lead deposits, which accumulated in soil and snow during the 1960’s and 70’s, were pr...The authors of the Ambio study have found that （）.
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 US
D．the upper layers of soil in forests are easily polluted by lead emissions
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