問題詳情

47. How long does a professor usually wait for the student's answer?
(A)Less than 10 seconds.
(B) Between 30 to 60 seconds.
(C) About two minutes.
(D) Long enough for the student to come up with good answers.

參考答案

答案:A
難度:簡單0.792237
統計:A(347),B(18),C(30),D(43),E(0) #
個人:尚未作答書單:with 、線上學習

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