地球上海洋生物開始向陸地發展的原因為何？(A)陸地上較容易行光合作用與呼吸作用 (B)海洋中的氧氣含量不足，故往陸地發展(C)隕石帶來陸地上可以生存的生命 (D)臭氧阻擋紫外線

問題詳情

2.地球上海洋生物開始向陸地發展的原因為何？
(A)陸地上較容易行光合作用與呼吸作用
(B)海洋中的氧氣含量不足，故往陸地發展
(C)隕石帶來陸地上可以生存的生命
(D)臭氧阻擋紫外線

參考答案

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

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