报酬率与投资风险的关系是( );物业价值与报酬率的关系是( )。
A.负相关,负相关
B.正相关,正相关
C.负相关,正相关
D.正相关,负相关
参考答案:D
Anticipating the effects of monetary policy:()
A. makes monetary policy more effective as an instrument of stabilization policy.
B. increases the resulting change in real output and employment.
C. can result in real and nominal interest rates moving in opposite directions.
()仪表可进行光纤长度、光纤的传输衰减、接头衰减和故障定位等的测量
A.光源
B.光功率计
C.多波长计
D.OTDR