TED演讲:超低成本的大学学位(5)
By the end of each week,the students take a quiz,hand in their homework,which are assessed by their peers under the supervision of the instructors,get a grade, move to the next week. 每周结束的时候,学生们参加一个测验,提交他们的课外作业,作业会在教师的监督下由同学互相评估,得到成绩,然后继续下一周的学习。 By the end of the course, they take the final exam,get a grade, and f...