She submitted a research paper on climate change for her university course.
她为大学课程提交了一篇关于气候变化的科研论文。
The teacher graded the students' papers based on their understanding of the topic.
老师根据学生对主题的理解来评分学生的书面作业。
The final exam consisted of a series of multiple-choice papers.
期末考试包括一系列选择题试卷。