此时应首先做哪项检查
A．血培养B．咽试子培养C．X线胸部检查D．呼吸道合胞病毒血清学检查E．腺病毒血清学检查
参考答案：C
是管理的首要职能，中心任务是确定组织的目标和实现目标的具体方案（）
A.计划职能
B.组织职能
C.人员管理
D.领导职能
E.控制职能
— Are you still a teacher?
— No, I____ in Harbin No. 3 High School for five years. [ ]
A. worked
B. have worked
C. have been working
D. had worked
