The employees were made to spend as much time as they could ______ more products to meet the _______ market.

A．producing; growing

B．to produce; grown

C．to produce; growing

D．produced; grown

患者女，35岁，过敏体质，左上76和右上67缺失，余留牙正常，拟采用可摘局部义齿修复

这种患者如果需要行全冠修复，不能采用以下哪种全冠（）

A.全瓷冠

B.纯金铸造冠

C.镍铬合金烤瓷冠

D.金钯合金烤瓷冠

E.金铂合金烤瓷冠