阿摩線上測驗
39. What are the advantages of ocean wave energy?
(A) It’s easily available.
(B) It’s easily tapped.
(C) It’s renewable.
(D) It can be recycled.
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統計： A(117), B(85), C(807), D(331), E(0) #3158012
統計： A(117), B(85), C(807), D(331), E(0) #3158012
