持临时通行证人员在机场控制区使用期间的行为由陪同人员负责。
空冷塔及水冷塔填料及内件的装填，必须是在系统（）合格后进行。 ["吹扫","试压","加温","裸冷"]
All of the following are distress signals under the Rules EXCEPT（）. ["a green star signal","orange-colored smoke","red flares","the repeated raising and lowering of outstretched arm"]
已聘用到管理或专业技术岗位的工人如何签订聘用合同？
花的花相包括（） ["外生花相","内生花相","均匀花相","线条花相"]
转业军官、复原退伍军人等政策性安置人员如何签订聘用合同？
