现代人事管理的基本职能是：
A．完善人事管理制度
B．健全人事分类制度
C．加强人事培训工作
D．促进人力资源的优化
参考答案：D
Read and complete.
1. I (have) a good time yesterday.
2. _ you have a pencil?
3. Where _ you go last weekend?
4. This is (I) school bag.
5. We (stay) at a small village last Friday.
6. My bag is _ (big) than ____ (you).
有效接地110kv系统相地之间无间隙金属氧化物避雷器持续运行电压为（）。
A．
B．0.45Um
C．0.75Um
D．0.57Um
