A-A+
It is possible to ascertain which pollutants a
问题详情
It is possible to ascertain which pollutants and other substances to which we are exposed, or which combinations of these substances contribute to cancer in the future.
A.Y
B.N
C.NG
参考答案
正确答案:C
解析:本题是问“将来我们能够鉴定出到底是哪些污染物或者是哪些混合污染物能导致癌症”这一说法是否正确。由最后一段第2句可知,目前我们还不可能知道到底什么污染物会导致癌症,至于将来是否能够实现文章并未提及。