問題詳情

33.
(A) There are no education requirements for the course.
(B) For example, students around the world are taking a free course called "Building a ComputerSearch Engine."
(C) Those are not graded and students try those as often as they want.
(D) The school plans to offer many free, non-credit courses through a project called MITx.
(E) Some universities offer free, non-credit MOOCs available to anyone in the world.)

參考答案

答案:B
難度:適中0.5
統計:A(8),B(22),C(6),D(4),E(3)

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