病案管理学研究对象有（）。
A.病案管理专业技术、方法和专业标准
B.病案管理
C.病案教学规律
D.病案部门组织
E.以上均是
参考答案：E
用所给动词的适当形式填空。
1. The fashionable dress __________ (design) by Cheng Yifei last year.
2. Would you mind __________ (click) the icon at once?
3. You need __________ (finish) your homework today.
4. I _________ (know) the boy since 1993.
5. —I want to return the book to Jack, but I can't find him.
—He __________ (go) to the library. You can find him there.
6. —What do you think of the new book by Han Han?
—Wonderful! I __________ (not read) such a good book before.
股票及其他有价证券的理论价格就是以一定的市盈率计算出来的未来价格的期望值。 ( )
