問題詳情
【題組】65. What accounts for the high drop-out rates for online students?
(A) There is no mechanism to ensure that they make the required effort.
(B) There is no strict control over the academic standards of the courses.
(C) The evaluation system used by online universities is inherently weak.
(D) Lack of classroom interaction reduces the effectiveness of instruction.
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)