–Zhou Libo can always ____ some special ways to make his talk shows more popular in China.

–Yeah. He is very smart and creative.

A．be afraid of

B．take pride in

C．come up with

D．take care of

单一成份的矿石采用的浮选流程比较简单，随着有价成份、需要回收利用矿物种类的增多，选别的循环也要增多。