头痛的辨证要点有
A．辨外感内伤
B．辨疼痛性质
C．辨疼痛部位
D．辨影响因素
E．辨脏腑气血经络
参考答案：A,B,C,D
下图中体现细胞分化的是[ ]
Today CCTV offers a great _______ of programs to meet different needs and _______.
A．variety; tastes
B．many; interests
C．deal; likes
D．number; habits
