秦统一后确立的中央集权的措施不包括是
A．三公九卿制度
B．设刺史
C．制定严苛、细密的秦法
D．推行郡县制度
答案：B
Only when he had done it ______ that he had made a mistake.
A．he then realized
B．did he realize
C．before
D．he realized
哺乳期用药对乳儿的影响
可能引起中毒性肝炎的是
A．异烟肼B．环孢素C．苯妥英钠D．阿司匹林E．丙硫氧嘧啶
