垄断优势理论的创始人是（） ["弗农","小岛清","海默","邓宁"]
三种原色相调实际上得到的是黑浊色。
观察法构成要素不包括（）。 ["问题","观察目的","观察工具","观察程序"]
有关产褥期保健操，下列描述不恰当的是（） ["全身全身运动，跪姿，双臂支撑床上，左右腿向后交替高举","髋、腿放松，膝稍屈，尽力抬高臀部及背部","双腿轮流上举与并举，与身体呈60度角","使双腿轮流上举与并举，与身体呈90度角","产后六周可选择其他锻炼方式"]
Which two statements are true about IS - IS?（） ["Interfaces have a default metric of 1.","Level 1 is intra - area and level 2 is interarea.","Level 1 routing is between an end system (ES) and IS while Level 2 routing is between an IS and IS."," Hosts send ISHs while routers send ESHs."," IS - IS is an open standard."," Metrics depend on interface speed."]
图形的表现形式
