炼钢炉渣成分中（）属于其它物质。
A.CaO
B.CaF2
C.CaS
D.MgS
参考答案：B, C, D
There is __ in what you say.
A．anything
B．something else
C．anything else
D．something
处方中"每日3次"的缩写词是（）
A.B.i.D.
B.q.i.D.
C.i.D.
D.q，D.
E.t.i.D.
