可以操纵自变量变化,但对无关变量不能控制的实验是( )
A.准实验
B.真实验
C.前实验
D.假实验
参考答案:C
某轮计划利用转向点附近某物标正横确定转向时机左转20°,如船舶接近转向点前发现本船偏右,则该轮应()。
A.适当提前转向
B.适当推迟转向
C.物标正横时转向
D.定位确认抵达预定转向点后转向
ff the payout ratio increases, the P/E multiple will:
A. increase, if we assume that the growth rate remains constant.B. always increase.C. decrease, if we assume that the growth rate remains constant.