简述新时期安全工作的格局。
参考答案：
政府统一领导，部门依法监督，企业全面负责，群众舆论监督，社会广泛支持。
— It's a long time since my mother worked here in the car factory.
— _____?
A．Does she still enjoy working here
B．Does she wish to change a new job
C．What kind of job does she do here
D．Where is she working at present
人体血浆渗透压正常范围为（）。
A.260～310mmol／L
B.270～320mmol／L
C.280～310mmol／L
D.290～330mmol／L
E.280～320mmol／L
