您要查找的是不是：
- Since 1991, the University opens optional courses of science fiction for students of other majors. 从1991年起，学校就在本科生中开设了科幻文学的跨系选修课。
- Open optional courses of medicine 医学类公共选修课
- open optional courses 公共选修课程
- Do you have optional courses this semester? 这学期你们有选修课吗?
- Is that optional course as hard as everybody says? 那个选修课真的就像每个人说的那样难吗?
- Music is an optional course in Grade. 三年级音乐是选修课。
- In the second year stuents could pick from a series of optional courses, achieving a major in their desired discipline. 第二年学生们可以从一系列的选修课中选择方向，在自己感兴趣的领域里攻读学位。
- In the second year,stuents could pick from a series of optional courses,achieving a major in their desired discipline. 第二年，学生们可以从一系列的选修课中选择方向，在自己感兴趣的领域里攻读学位。
- W: Is that optional course as hard as everybody says? 那门选修课象别人说的那么难吗?
- You can take English Conversation as an optional course. 你可以选修英语对话课。
- Those optional courses are also very interesting, but many people choose not to take the classes. 选修课也很有意思的，但是很多人都不去上。
- During my studies towards a Master's degree I completed all the degree courses and took a lot of optional courses on water conservancy and management. 在攻读硕士学位期间,我完成了学位课程学习,并选修了水利和管理方面的大量课程
- For the junior or senior students in college, apart from required courses, they have to choose optional courses according to their interests. 大学三、四年级的学生除了必修的课程以外，还要根据兴趣选修课程。
- I have already passed over half of the compulsory courses and five optional courses, and expect to receive a B.A. degree next year. 我已经通过了一半必修课和5门选修课，有望明年拿到文学学士学位。
- No matter which Adobe Open Options 4.5 Software licensing program you choose, the Upgrade Plan makes it better. 不论您选择哪一种Adobe Open Options 4.;5软件许可计划;升级计划都可以锦上添花。
- English optional courses are important part of school curriculum, showing differentia, diversity and flexibility of curriculum. 它体现了课程的差异性、多样性和灵活性，是学校课程中的重要组成部分。
- Note that the list of eligible products for Adobe Open Options 4.5 Programs is updated on an ongoing basis. 注意;符合Adobe Open Options 4.;5计划条件的产品列表将不断更新。
- I?e already passed over half of the compulsory courses and five optional courses, and expect to receive a B.A. degree next year. 我已经通过了一半必修课和5门选修课，有望明年拿到文学学士学位。
- The list of eligible products for the Adobe Open Options 4.5 Program is updated on an ongoing basis. 符合Adobe Open Options 4.;5计划条件的产品列表将不断更新。
- Researching about the Innovation of Wushu Optional Course in College P.E. 高校公共体育武术选项课开展模式创新之研究。
