養七彩神仙時，下列何者會使水中 pH 值昇高(A)打氣(B)加二氧化碳(C)生物過濾(D)加液肥。

問題詳情

23. 養七彩神仙時，下列何者會使水中 pH 值昇高
(A)打氣
(B)加二氧化碳
(C)生物過濾
(D)加液肥。

參考答案

答案：A
難度：適中0.6
統計：A(3),B(0),C(1),D(1),E(0)

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