大学英语大学英语大学英语四级(CET4)2007年12月大学英语四级(CET-4)
题目内容

What accounts for the high drop-out rates for online students、

2024-07-09

A.There is no strict control over the academic standards of the courses.

B.The evaluation system used by online universities is inherently weak.

C.There is no mechanism to ensure that they make the required effort.

D.Lack of classroom interaction reduces the effectiveness of instruction.

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