Instead of weekly graded assignments, this course offers on-line tutorial problems with answers that students can use to test their understanding of the lecture material.
本课程并没有每周批改的作业，取而代之的是线上的教学问题和解答，你可以利用它来测试你对课程内容的了解。
Instead of weekly graded assignments, this course offers on-line tutorial problems with answers that students can use to test their understanding of the lecture material.
本课程并没有每周批改的作业，取而代之的是线上的教学问题和解答，你可以利用它来测试你对课程内容的了解。
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