水中存在着“藻类→小虾→小鱼→大鱼 这样一条食物链如果水受到ddt的污染那么下列哪种生物中ddt含量最多的是 A藻类b大鱼c小 Template




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tomski水中存在着“藻类→小虾→小鱼→大鱼 这样一条食物链如果水受到ddt的污染那么下列哪种生物中ddt含量最多的是 a藻类b大鱼c小 coloring