問題詳情

38 According to the passage, how long is a US screener trained before starting to work?
(A) 4 days.
(B) 40 days.
(C) 9 weeks.
(D) 9 months.

參考答案

答案:A
難度:適中0.644444
統計:A(29),B(5),C(9),D(1),E(0)

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