問題詳情

16. In douglas swell scale , the “swell 6” is defined as __________ .
(A)rough swell
(B)abnormal swell
(C)heavy swell
(D)very heavy swell

參考答案

答案:D
難度:非常困難0
統計:A(1),B(0),C(0),D(0),E(0)

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