問題詳情

36. Which step of pilot ladder should be a spreader?
(A) 4th step.
(B) 5th step.
(C) 6th step.
(D) 7th step.

參考答案

答案:B
難度:非常困難0
統計:A(2),B(0),C(1),D(2),E(0)

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