信息化的目的是（）。
A.大力推广信息技术
B.广泛利用信息资源
C.建立全国信息网络
D.改进数据处理业务
参考答案：B
—Look at the boy running on the ground . Is it David ?
—It be him. I saw him go to the teacher’s office just now. [ ]
A. must
B. mustn't
C. can't
D. might
患者女性，糖尿病，需抽血化验血糖含量，应留的标本是
A．指血数滴
B．全血标本
C．血清标本
D．血培养标本
E．以上均是
