魏晋南北朝隋唐，训诂学进一步发展，逐渐摆脱（）的附庸地位。
A、文学
B、文字学
C、经学
D、史学
参考答案：C
卡那霉素
A．结核菌抑菌剂 B．结核菌全杀菌剂 C．结核菌半杀菌剂 D．对结核菌无影响 E．对末梢神经有损害
An investor expects a stock currently selling for $ 20 per share to increase to $ 25 by year - end. The dividend last year was $1 but he expects this year's dividend to be $1.25. What is the expected holding period return on this stock（）
A. 28.50%.
B. 24.00%.
C. 31.25%.
