問題詳情

51. What is the second paragraph mainly about?
(A) The impact of MOOCs. 
(B) The goal of MOOCs.
(C) The size of MOOC classes. 
(D) The cost of MOOC courses.

參考答案

答案:A
難度:非常簡單1
統計:A(1),B(0),C(0),D(0),E(0)

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