主要用于片剂的崩解剂是
A．CMC-Na
B．MC
C．HPMC
D．EC
E．CMS-Na
参考答案：E
计算机在接通电源后，系统首先由______程序对内部每个设备进行测试。
A．POST B．CMOS C．ROMBIOS D．DOS
—Is his name Dave?
—Yes,______ is. [ ]
A. he
B. it's
C. her
D. she
