货币供给的外生性
参考答案：
指货币供给将完全由货币当局的行为特别是货币政策决定，而与经济运行过程及经济内部的各种因素无关。
Great changes ___ in my hometown and a lot of factories _______.
A．have been taken place , are being set up
B．have taken place , have been set up
C．are taken place , had been set up
D．had taken place , will be set up
喷射混凝土与围岩黏结力要求Ⅲ类及以下围岩不低于( )MPa。
A．0.5B．0.8C．1.0D．5
