近代社会以来,使医医关系发生重大变化的主要因素是()
A.医院的出现
B.科学技术的进步
C.医学模式的变化
D.病 * * 利意识的增强
参考答案:A
Excuse me, but may I ask you _____? [ ]
A. what business are you in
B. what business you're in
C. in what business are you
D. are you in what business
在微机中,bit的中文含义是字节。( )