这些练习题每一道要花一两分钟做完。
他讲课前总是先让学生做预备练习题。
所有这些习题必须在放学以前做完。
我做了那本书上的很多练习题。
你需要完成练习册习题。
请做这些练习题，好吗？
这些练习题可难住他了。
你必须把练习题交上来。
有些人在做练习题。
如果我知道今天要交练习题，我昨天就会把它们做完了。
If I had known the exercises should be handed in today, I'd have finished them yesterday.
未经出版者许可翻印这些习题是违法的。
It is illegal to reproduce these worksheets without permission from the publisher.
在你确定课程之前，先完成这个活页练习题。
Complete this worksheet before you decide on the model you want.
内存是随机存储器，你们很快就会在习题集一中发现，它是用来短暂存储的。
RAM is this memory recall or, as you'll soon find in problems set one, that's used for ephemeral purposes.
下课后她把习题从黑板上擦掉。
做一个简单的习题就可以支持我们的假设。
但愿你们都做了这份习题。
这里有个同样的习题,大体看起来是一样的。
So here's a program set up in the same way, main looks the same.
习题册中有这样一道问题，你们将如何做出决策？
I have one question on the problem set that asks you to think about how you would handle a decision.
习题册上第四题的答案，也许会对你们有所帮助。
Or, maybe speaking about the answer to the questions on the Problem Set NO.4 will help you to think this through.
希望你们在昨天的习题课上，练习了怎样计算叉乘。
Hopefully you got practice with cross products, and computing them, in recitation yesterday.
“让我们看看，”他一边读着练习题，一边继续道。
对应习题集，我们将尊重一些网上的文档中的细节。
And for Problem Set One, we'll defer to some online documentation for the specifics.
我想你们大多数人，都在这周的习题课上讨论过苯环。
I think most and you have talked a little bit about benzene over this past week in recitation.
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