A ship station on receiving a shore-to-ship distress alert should（）. ["keep silence","interfere with such communication","establish communication as directed and render such assistance as is required and appropriate","refuse communication as directed and render such assistance as it required and appropriate"]
如果要在工作表的第D列和第E列中间插入一列，应选中（），然后再进行有关的操作。 ["D列","E列","D和E列","任意列"]
锅炉给水泵进出口管道设计的要求是什么？
除氧器管道设计的要求是什么？
尖锐湿疣患者，生殖器或肛周有肉眼可见的菜花型赘生物损害，病人拒绝化验，此病例应报告（）。 ["疑似病例","实验室诊断病例","临床诊断病例","病原携带者"]
蒸汽减温减压器管道设计的要求是什么？
