【判断题】部分预应力混凝土结构,施加荷载时结构的正截面出现拉应力,或者出现不超过规定裂缝宽度的裂缝。
【单选题】栾老师第一次试讲发现学生只粗浅的理解内容,对作者传递的情感,并没有很好把握。曹成这种现象的主要原因是?
【单选题】Given an open economy with high capital mobility and floating exchange rates, suppose an expansionary fiscal policy is implemented to combat recession. The initial and secondary effects of the policy
A.
cause aggregate demand to increase, thus strengthening the policy's expansionary effect on real output
B.
cause aggregate demand to decrease, thus eliminating the policy's expansionary effect on real output
C.
have conflicting effects on aggregate demand, thus weakening the policy's expansionary effect on real output
D.
have conflicting effects on aggregate demand, thus strengthening the policy's expansionary effect on real output
【简答题】Suppose m is integer,if a=(4,m), b=(-2m,4),OA→=a+2b,OB→=2a-b, |OA→|=|OB→|, then the area of the △OAB is ___.
【多选题】关于大地水准面的特性,下列说法正确的是( )。
【单选题】Suppose policy makers decide to reduce taxes. This fiscal policy action will cause which of the following to occur?
A.
The LM curve shifts and the economy moves along the IS curve.
B.
The IS curve shifts and the economy moves along the LM curve.
C.
Both the IS and LM curves shift.
D.
Neither the IS nor the LM curve shifts.
E.
Output will change causing a change in money demand and a shift of the LM curve.
【单选题】Given an open economy with high capital mobility and floating exchange rates, suppose an expansionary monetary policy is implemented to combat recession. The initial and secondary effects of the polic...
A.
cause aggregate demand to increase, thus strengthening the policy's expansionary effect on real output
B.
cause aggregate demand to decrease, thus eliminating the policy's expansionary effect on real output
C.
have conflicting effects on aggregate demand, thus weakening the policy's expansionary effect on real output
D.
have conflicting effects on aggregate demand, thus strengthening the policy's expansionary effect on real output
【单选题】31) Suppose policy makers decide to reduce taxes. This fiscal policy action will cause which of the following to occur?
A.
The LM curve shifts and the economy moves along the IS curve.
B.
Output will change causing a change in money demand and a shift of the LM curve.
C.
Both the IS and LM curves shift.
D.
Neither the IS nor the LM curve shifts.
E.
The IS curve shifts and the economy moves along the LM curve.
【单选题】16) Suppose policy makers decide to reduce taxes. This fiscal policy action will cause which of the following to occur?
A.
The IS curve shifts and the economy moves along the LM curve.
B.
Output will change causing a change in money demand and a shift of the LM curve.
C.
Both the IS and LM curves shift.
D.
Neither the IS nor the LM curve shifts.
E.
The LM curve shifts and the economy moves along the IS curve.
【判断题】传染病要流行只需具备传染源和易感动物即可。 ( )