我本来期待这道题的正确率能达到,99%,的,但毕竟你们距离考试还有两天的时间。
So I was hoping to see more like 99% on this, but you do still have two more days before the exam.
我有点惊讶于,比方说,惊讶于收到这样一些邮件,他们说,小测试上的第三题,正确答案是多少?
I was kind of surprised, for example, to get email from people saying, well, what was the correct answer to question 3 on the quiz?
参加者只需要点击最能解释该单词的选项即可.如果他们的答案正确,下一题便是一个更难的词,如果选择错误,便得到一个更容易的词.并且也提供读音。
If they choose wrong, they get an easier word. Spoken pronunciations are also provided.
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。
So I was hoping to see more like 99% on this, but you do still have two more days before the exam.
我本来期待这道题的正确率能达到,99%,的,但毕竟你们距离考试还有两天的时间。
I want to derive the last result in another way, then I will stop, and that's pretty interesting because it tells you the use and abuse of calculus.
让我用其他方法解答最后一个问题,然后今天就到这 这是一个挺有意思的题,因为它展示了微积分的正确用法和错误用法
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