您要查找的是不是：
- chemistry compulsory textbook 必修教材
- The Design and Realization of the Multimedia Database for the Compulsory Textbook Used in Men's Gymnastics Course for Departments and Institutes of Physical Education 体育院系男子竞技体操普修教材多媒体数据库的设计与实现
- She's a walking textbook of medicine. 她是活的医学教科书。
- This is the standard textbook on the subject. 这是这一科的权威性课本。
- I think it is compulsory to look over the house. 我认为检查这栋房子势在必行。
- A textbook of reading exercises. 阅读练习内容为阅读练习的教科书
- We have three periods of chemistry a week. 我们一星期三节化学课。
- The scientist probed into the secrets of chemistry. 这位科学家探索了化学的种种奥秘。
- Our textbook is very well illustrated. 我们的课本插图丰富。
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- There is a glossary at the end of the textbook. 这本教科书后面有词汇表。
- This English textbook is well illustrated. 这本英文教科书有精美的插图。
- No one can cope with him in Chemistry. 在化学方面，谁也比不上他。
- I am not good at organic chemistry. 我的有机化学学得不好。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- Is military service compulsory in your country? 你们国家实行义务兵役制吗？
- The editors saw fit to include some illustrations in the textbook. 编辑们认为在课本中加些插图是合适的。
- Attendance at evening prayers is not compulsory. 参加晚祷并非硬性规定。
- Is English a compulsory subject? 英语是必修科目吗？
