阿摩線上測驗
5. The author contends that previous explanations of the phenomenon are _____, as they fail to account for key contradictory evidence.
(A) comprehensive
(B) tenuous
(C) orthodox
(D) customary
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統計： A(1), B(15), C(4), D(0), E(0) #3792838
統計： A(1), B(15), C(4), D(0), E(0) #3792838
