問題詳情

50 Which of the following is NOT used by plants to maintain a constant temperature?
(A) Putting out more leaves on each branch
(B) Changing the direction which the leaves may face
(C) Adjusting the number of leaves
(D) Controlling the amount of water in the leaves

參考答案

答案:D
難度:適中0.409091
統計:A(4),B(7),C(2),D(9),E(0)

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