在起吊、牵引过程中，哪些地方严禁有人站立、逗留和通过？
参考答案：受力钢丝绳的周围、上下方、转向滑车内角侧、吊臂和起吊物的下面，禁止有人逗留和通过。
泳池非开放期间，泳池管理员至少每（）一次、主管人员至少每（）一次、部门负责人至少每（）一次对泳池现场进行巡查。依次顺序为（）。
A.天
B.周
C.月
D.季
E.年
The nurse is teaching a group of couples in a childbirth class. The nurse describes normal labor, including the premonitory signs of labor. Which of the following comments from the client indicates that further teaching is necessary
A．"My membranes won't rupture until I'm ready to deliver. "
B．"I may feel Braxton Hicks contractions as my pregnancy progresses. "
C．"Lightening usually occurs 2 weeks before labor begins in a first pregnancy. "
D．"I'll begin to see a bloody mucus vaginal discharge as my cervix begins to dilate. "
