制作PFM冠桥时，调刀法的特点是

A．需反复吸水

B．埋入气泡机会较少

C．少量加瓷时比较容易

D．填压时必须使用别的器具来作震动排水

E．操作难度大，成形较慢

While I       that he is an excellent leader, I didn’t think he can do a good job in this company because he is too rigorous.

A．summarize

B．reflect

C．acknowledge

D．recommend