You can see the website if you want to download a copy of this to practice on it.

如果你们想练习的话,可以到网上自行下载。

麻省理工公开课 - 固态化学导论课程节选

Then you have a problem set, which is due on that day, your first problem set, and the problem set is up on the website.

你们到时还要交习题册，这是你们的第一次回家练习，习题册已经上传到网上了。

耶鲁公开课 - 金融市场课程节选