托福考试

根据网考网考试中心的统计分析，以下试题在2019/9/5日托福考试习题练习中，答错率较高，为：60%
【单选题】
{$mediaurl} Why does the professor say this:
A、To indicate that students should already understand these differences.
B、To notify students that it is not essential to memorize this information.
C、To imply that the distinction between the two usages is overstate
D、

D、To emphasize that he does not have time to define terms used in the talk.
网考网参考答案：A，答错率：60%
网考网试题解析：
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