下列变化中既有物理变化又有化学变化的是[ ]
A.用铁水浇铸铁锅
B.矿石粉碎
C.蜡烛燃烧
D.水分蒸发
答案:C
We all agree that _______ good knowledge of physics is a must in explaining such _______ natural phenomena.
A.a; /
B.a; a
C./; a
D./; /
湿热酿痰蒙蔽心窍,其病理阶段为()
A.气分
B.血分
C.营分
D.气营
E.气血