阿摩線上測驗
21.What is most likely the purpose of this article?
(A) To compare ecotourism with sustainable travel.
(B) To encourage readers to experience ecotourism.
(C) To highlight the disadvantage of ecotourism.
(D) To clarify the definitions of ecotourism.
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統計： A(1), B(31), C(1), D(11), E(0) #3227604
統計： A(1), B(31), C(1), D(11), E(0) #3227604
