阿摩線上測驗
11. While WHO is confident that Liberia has interrupted transmission of Ebola, outbreaks persist in neighboring Guinea and
Sierra Leone, creating a high risk that infected people may cross into Liberia over the region’s exceptionally ______
borders.
(A) impermeable
(B) tight
(C) overpassing
(D) porous
(E) inapproachable
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統計： A(10), B(5), C(16), D(28), E(8) #939470
統計： A(10), B(5), C(16), D(28), E(8) #939470
