范蠡对市场变化的规律性进行的探索与概括是（）
A.加速周转，行如流水
B.贵贱复反，贱买贵卖
C.多元相济，综合经营
D.富而好德，仗义疏财
参考答案：B
________ the arrival of the police, I would have been robbed by two masked men.
A．Had it not been for
B．If it were not for
C．Had it been not for
D．If it would not be for
五元是指( )
A．赫依、希日、巴达干B．隆、赤巴、培根C．稠、稀、汗D．土、金、木、水、火E．土、水、火、风、空
