今天早上的考试中，最后四道题我答不上来，但前五道我答了。

During this morning's test, I couldn't do the last four questions, but I did the first five.

youdao

如果我考试得了一个 C 级，她就会把它交给我，让我处理我那些做错的题，并告诉她为什么。

If I got a C in a test, she would hand it over and asked me to deal with the ones I missed and tell her why.

youdao

我儿子在做数学题时经常出现粗心的错误，把小数点点错位。

My son often makes careless mathematics mistakes by pointing off the wrong figures.

youdao

And as an aside, those in the room who are among those more comfortable, even if we're not quite filling in blanks today, realize we will very quickly entice you with details that you don't already know.

说句题外话，你们中有一些,看起来聚精会神，实际上开小差的同学，也许我还不能对号入座，但这些人必须意识到，我会一笔带过,一些你们可能不懂的问题。

哈佛公开课 - 计算机科学课程节选

How do I know that that's an absolute pass, though? Well, when we set the exams, we set the tests, I sit with my TA's and we say, all right, let's work out the point scheme on this question.

我怎么知道会是绝对的通过呢，我们制定考试，我们制定测试题，我和助教坐在一起，我们说，好吧，让我们一起来设定这道题的分值。

麻省理工公开课 - 固态化学导论课程节选

I left out the noble gases here because they do something a little bit special, and actually, I'm going to give you one last clicker question today to see if you can tell me what you think noble gases do.

我并没有把稀有气体算在里面,因为它们的电子亲和能有点特别，实际上，我将会把这作为今天的,最后一个选择题，来请大家告诉我,你们觉得稀有气体电子亲和能应该是怎样的。

麻省理工公开课 - 化学原理课程节选