内部收益率小于目标收益率时，则认为项目在财务上是可以接受的；如果内部收益率大于目标收益率时，则认为项目在财务上是不可以接受的。（）
参考答案：错
东汉以后，思想领域里逐渐形成了以儒家为主，________、_________、_______三家并立互补的局面。
If you don't understand something, you say, "________". [ ]
A. Sorry, I don't understand.
B. I'm sorry. I don't know.
C. Can you speak English?
D. Excuse me. How do you say that in English?
