相关部门的安全分工中，机房及办公场所防火、防盗、人员进出等属于哪个部门负责（）
A.研究院
B.网络部
C.业务支撑系统部
D.综合部
参考答案：D
劳动法律事实包括劳动法律行为和（）。
A.劳动法律事件
B.劳动法律关系
C.劳动法律效力
D.劳动法律后果
The number of the people invited to the meeting ____ about 100, but a number of them ____ late because of the heavy snow.
A．were; was
B．were; were
C．was; were
D．was; was
