()是利用含铁矿物和脉石密度的差异来选别。
A、重选
B、磁选
C、浮选
参考答案:A
What ______ me was that there was a ______ look on her face due to the ______ problem.
A.confuses; confusing; confusing
B.confused; confused; confused
C.confused; confused; confusing
D.confused; confusing; confusing
肾阳虚衰泄泻的治法是
A.健脾益胃,温中散寒B.温肾健脾,固涩止泻C.解表散寒,芳香化湿D.健脾燥湿,淡渗分利E.温补脾肾,化湿止泻