（）[向日葵]和[玉米]；共同具有哪些構造？甲.根毛；乙.韌皮部；丙.形成層；丁.木質部。 (A)甲乙 (B)乙丙　(C)甲乙丁 (D)乙丙丁。

問題詳情

22. （）[向日葵]和[玉米]；共同具有哪些構造？甲.根毛；乙.韌皮部；丙.形成層；丁.木質部。
(A)甲乙
(B)乙丙　
(C)甲乙丁
(D)乙丙丁。

參考答案

答案：C
難度：適中0.5
統計：A(1),B(0),C(1),D(0),E(0)

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