紧张会让他们做题时比平时的效率低。

Such anxiety makes them less efficient than normal.

youdao

再听录音，按照上面紧挨着图片的说明做题。

Listen again and follow the instructions above next to the pictures.

youdao

把握每个知识点的唯一方法就是回家，思考，然后做题。

The only way to really grasp some topics is to go home and think about it and work some problems.

youdao

So, why don't you go ahead and take 10 more seconds on this second clicker question for our intro.

请大家再花十秒钟的时间,来做一下第二个选择题。

麻省理工公开课 - 化学原理课程节选

All right. It's 12:05, so why don't you go ahead and take 10 more seconds on the clicker question today.

好，现在已经，12：05，了，请大家,花十秒钟的时间做一下今天的选择题吧。

麻省理工公开课 - 化学原理课程节选

And, that's a good thing to know because if you come out with an answer that's somewhere near the diameter of the universe and it's supposed to be the diameter of an atom, then you will know that you probably made a mistake.

这是我们需要知道的,因为当你做一道题得到的答案,是宇宙的直径,而正确答案是原子直径时，你能很快发现你的错误。

麻省理工公开课 - 固态化学导论课程节选