A 100 need not imply that there is no possibility of improvement, only that a student successfully completed the coursework.
100分并不意味着没有改进的可能，只表明该学生成功地完成了课程。
2
The students were generally frank and direct in their comments on how coursework could be better presented.
对于如何更好地提高课堂质量，学生们的评价通常是坦率、直白的。
3
If your goal is to teach physics at the high school or junior college level, then obtaining a Masters degree usually involves two years of advanced coursework but no original research.