在华为GPRS参数中，“RA”的参数取值范围是（）
A.00~99
B.00~88
C.00~BF
D.00~AB
E.00~FF
参考答案：E
I gave the papers to every one of the class, except, of course, the ___________who had already come to the office to collect_________.
A．those; them
B．those; it
C．ones; them
D．one; it
对提高全口义齿固位和稳定意义最小的是
A．准确印模B．有利的磨光面形态C．合理的排牙D．尽量扩大基托面积E．指导患者正确使用义齿
