問題詳情

36 To prevent avian flu viruses from invading Taiwan via fowl-smuggling passages or illegal immigrants, the CoastGuard works closely with Center for Disease Control to keep _______ out.
(A)epidemics
(B)academics
(C)domestics
(D)foreigners

參考答案

答案:A
難度:適中0.477612
統計:A(32),B(5),C(6),D(16),E(0)

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