He is young, ______? [ ]
A. hasn't he
B. doesn't he
C. isn't he
D. wasn't he
答案:C
石瘿的病机主要是()
A.情志内伤
B.冲任失调
C.肝郁胃热
D.肝脾气逆
E.风温侵肺
民法上的平等原则,包括机会平等和结果平等。( )