阿摩線上測驗
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
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統計： A(11), B(23), C(23), D(60), E(0) #1215871
統計： A(11), B(23), C(23), D(60), E(0) #1215871
