评价中心技术具有形象逼真、动态性、全面性等特点，比较适合于较大规模的组织。
参考答案：对
19层及19层以上的单元式住宅，一般应设置( )。
A．防烟楼梯间 B．封闭楼梯间 C．敞开楼梯间 D．室外疏散楼梯
We ________ contact with each other for years. And last week we ________ contact again.
A．lost; made
B．have been out of; got into
C．had been out of; made
D．came; kept
