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
Linda didn't go to school yesterday because she had to _____ her sick mother at home. [ ]
A. look at
B. look for
C. look after
D. look up
圣愈汤治疗痛经的适应证是（）
A.气血虚弱
B.肝肾亏损
C.心肝血虚
D.血虚气滞
E.气滞血瘀
