下列矿物具有良好的天然可浮性是()
A、石蜡
B、石英
C、萤石
D、方解石
参考答案:A
-- If someone said ________ about you, would you be angry?
--No, I wouldn’t.
A.something bad
B.bad something
C.bad anything
D.anything bad
多潘立酮为
A.胃动力药B.抗酸药C.平喘药D.祛痰药E.镇咳药