• We're actually going to do one more clicker question to get started with today, and as we do, I'll explain something we're going to be trying today, which is a little bit of a friendly competition in terms of answering the clicker questions correctly.

    我们将在开始讲授今天的课程之前,再多做一个选择题,我先来说明一下做这件事的原因,这实际上是一个,回答选择题的小比赛

    麻省理工公开课 - 化学原理课程节选

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