阿摩線上測驗
40. What does the passage mainly discuss?
(A) How Australia becomes a melting pot of immigrants
(B) The challenging task to build the Sydney Opera House
(C) The bio-diversity of the Great Barrier Reef Marine Park
(D) What visitors should see and do in Australia
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統計： A(19), B(5), C(19), D(239), E(0) #2757019
統計： A(19), B(5), C(19), D(239), E(0) #2757019
