对不符合乘车条件的旅客，站、车经了解原因，（），应按规定补票，还必须加收应收票价百分之五十的票款，并核收手续费。 ["对持站台票送客，上车未及时下车的","对确因时间来不及而未买票的","对有意不履行义务的","对无意不买票的"]
水泥或石剂量测定应进行两次平行试验，重复性误差不得大于均值的（），否则应重新试验。 ["2%","3%","1%","5%"]
自古以来，中国人就有祭祖的习俗，这种“认祖归宗”的情结源于古代的（）。 ["A.宗法制","B.分封制","C.郡县制","D.井田制"]
辅助燃烧室在开工时是用来直接加热（） ["原料油","加入的催化剂","主风","雾化蒸汽"]
Refer to the exhibit.The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem？（） ["Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.","Ensure that cables A and B are straight-through cables.","Ensure cable A is plugged into a trunk port.","Ensure the switch has power.","Reboot all of the devices.","Reseat all cables."]
调查法是在科学方法论和教育评价理论的指导下，通过问卷、（）、（）等科学方式，有目的、有计划、系统地收集有关教育评价的信息与资料的方法。
