問題詳情
下列哪一種生物可以作為鑑定河川水質嚴重污染的指標？
(A)紅蟲
(B)蜻蜓幼蟲
(C)豆娘幼蟲
(D)溪蝦
(A)紅蟲
(B)蜻蜓幼蟲
(C)豆娘幼蟲
(D)溪蝦
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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