下列哪一个国家劳动关系的显著特征是利益集团高度组织化，国家通过立法规定了雇员的一系列权利，使得工会运动在国家政治和经济生活中获得了制度化的地位（）。 ["韩国","英国","德国","日本"]
正弦交流电路的无功功率表征该电路中储能元件的（） ["瞬时功率","平均功率","瞬时功率最大值"]
我国第一个出舱迈入太空的宇航员是（） ["杨利伟","刘伯明","费俊龙","翟志刚"]
What is the definition of transverse metacenter?（） ["The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability","The point to which G may rise and still permit the vessel to possess positive stability","The sum of the center of buoyancy and the center of gravity","The transverse shift of the center of buoyancy as a vessel roll"]
未经定点，任何单位和个人不得屠宰生猪，农村地区个人自宰自食的除外。（）
网络操作系统应具有下面几个方面的功能？
