The lab assignments refer to checkoff files , which are part of an automated checkoff system used in the class to assign points to students as they check in their work 当同学交入结果报告时，本课程所使用的自动核对系统将比对实作课程的文件并给予分数。
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Students enrolled in the course are expected to complete the assignments and then demonstrate their mastery of the material in an individual checkoff interview that is scheduled with the teaching assistants 我们期望注册本课程的学生要完成作业，而且要在安排的时间向助教表达他们对材料的掌握程度。
