构件受外力作用后,内部产生的单位面积上的内力,称为()
A、应力
B、压力
C、压强
D、张力
参考答案:A
_____ for his action on the playing field ,but he is also famous for the things that he does off the playing field.
A.Not he is only known
B.Not only is he known
C.Only is he known not
D.He is only not known
现金流量图可以全面、直观地反映经济系统的资金运动状态,其中现金流量的三大要素包括()。
A.现金流入的大小、方向和时间点
B.投入现金的额度、时间和回收点
C.现金流量的大小、方向和作用点
D.现金流出的额度、方向和时间点