【单选题】下列哪种凝血因子的合成不需维生素 K 参与
【简答题】兆欧表主要由哪几部分组成?使用兆欧表时应注意哪些事项?
【单选题】对于同一波列,十分之一大波波高和有效波高的关系( )
【多选题】组合就是把多项貌不相关的 [填空(1)] 、 [填空(2)] 、 [填空(3)] 的部分或全部,通过加以联结,进行有机组合、 [填空(4)] 、 [填空(5)] ,使之成为有价值的整体。
【判断题】保护层的功能是使混凝土结构中的钢筋免于大气的锈蚀作用。
【单选题】If the price level rises above what was expected and nominal wages are fixed, then
A.
production becomes less profitable so firms will hire fewer workers.
B.
production becomes less profitable so firms will hire more workers.
C.
production becomes more profitable so firms will hire fewer workers.
D.
production become more profitable so firms will hire more workers.