东晋南朝时期，我国冶炼技术的一大进步是[ ]
A．生铁冶炼技术的发明
B．灌钢法的发明
C．青铜铸造业的发展
D．铜器的出现
答案：B
--- What it be?
--- It be a man, for it is not moving. It be a dustbin, I think.
A．can, may, must
B．can, can’t, must
C．can, must, can
D．may, may not, could
癫证患者，不寐易惊，烦躁不安，舌红苔黄，脉滑数。方选
A．一贯煎B．二阴煎C．龙胆泻肝汤D．温胆汤加黄连、白金丸E．顺气导痰汤加远志、菖蒲
