— How many poor counties will there be in our province by 2010?

— There will be only a few, if _____. [ ]

A. any

B. some

C. much

D. many

单个后牙铸造金属全冠修复，咬合调磨后应达到（）。

A.全冠牙合面接触点应多于余留邻牙

B.全冠牙合面有2个以上的接触点

C.全冠牙合面咬合点的分布应基本位于牙长轴的两侧，承受的牙合力尽量平衡

D.A+B+C

E.B+C