【单选题】The principal lag for monetary policy
A.
and fiscal policy is the time it takes for policy to change spending.
B.
is the time it takes for policy to change spending. The principal lag for fiscal policy is the time it takes to implement it.
C.
is the time it takes to implement policy. The principal lag for fiscal policy is the time it takes for policy to change spending.
D.
and fiscal policy is the time it takes to implement policy.
【单选题】关于双代号网络图的绘图规则,下列说明中,错误的是( )。
C.
双代号网络图中,可以使用虚箭线表示工作之间的逻辑关系
【单选题】The use of fiscal policy is limited because
A.
there is never a long enough time lag.
B.
the economy is almost always at full employment.
C.
the President may have different goals than Congress.
D.
time lags associated with fiscal policy may cause the policy to take effect too late to solve the problem it was supposed to address.
【多选题】关于双代号网络图的绘图规则,以下说法正确的是()。
【单选题】设备间梁下净高不应小于( ),有得于空气循环。
【单选题】The strengths of monetary policy compared to fiscal policy are generally thought to include all of the following except greater______.
【单选题】关于双代号网络图的绘图规则,下列说法中,错误的是( )
C.
双代号网络图中,可以使用虚箭线表示工作之间的逻辑关系