【单选题】工资率下降时,长期劳动力需求比短期需求( )。
【单选题】我国积极防御的军事战略是由( )最先实施
【单选题】16支队伍参加比赛,采用淘汰制,竞赛轮次为()
【单选题】工资率下降时,长期劳动力需求比短期需求()
【单选题】3-42工资率下降时,长期劳动力需求比短期需求( )。
【单选题】A distant astronomical object (a quasar) is moving away from us at half the speed of light. What is the speed of the light we receive from this quasar?
【单选题】What is the speed limit of the train?