問題詳情
12. Researchers found that hospital workers who worewatches _____ more bacteria on their wrists than thosewho went watchless.
(A) exposed
(B) harbored
(C) sailed
(D) obstructed
(A) exposed
(B) harbored
(C) sailed
(D) obstructed
參考答案
答案：B
難度：適中0.581818
統計：A(15),B(32),C(1),D(3),E(0)
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