76.
What is the main idea of this passage?
(A) the contents of alternative tourism
(B) the significance of mass tourism
(C) the popularity of alternative tourism
(D) the reasons for the emergence of tourism
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統計: A(10), B(1), C(16), D(3), E(0) #667071
統計: A(10), B(1), C(16), D(3), E(0) #667071