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【单选题】
某系统对抛物线输入信号的稳态误差为常数，则该系统必为()A.
0型系统
B.
Ⅰ型系统
C.
Ⅱ型系统
D.
Ⅱ型系统以上
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反馈参考答案：
举一反三
【单选题】Holding other factors constant, countries that have decreasing national income tend to run ( ).
A.
BoP Surplus
B.
BoP Deficit
C.
BoP equilibrium
D.
None is right
【单选题】BOP equilibrium is described as a situation in which __________.
A.
exports equal imports
B.
capital inflows equal capital outflows
C.
transactions in current account are exactly the same as the transactions in capital and financial account
D.
the sum of net current account plus net capital and financial account equals zero
【单选题】According to the monetary approach, if a country expands its domestic credits, it probably brings __________.
A.
BOP surplus
B.
BOP deficit
C.
BOP equilibrium
D.
None of the above, because the BOP is not related to the money supply
【单选题】If the intersection of IS-LM curve lies above the BP curve, it tells us that __________.
A.
the country runs BOP deficit
B.
the country runs BOP surplus
C.
the country reaches BOP equilibrium
D.
It is impossible to identify because more information are needed
【单选题】下列关于REIG的说法有误的是（）
A.
REAG和REUG两者的差值即为REIG
B.
REIG与处方公式所计算的目标曲线相比，来检查校订助听器的频响-增益反应是否适合患者的听力损失
C.
为了获得REIG，应将患者的听力资料输入真耳分析仪，以此得到目标插入增益值并与测试得到的REIG相比较
D.
最好的结果应该是测得的结果与目标曲线一致或基本接近
E.
如果患者的REUG值大于常人，测量的REIG有可能增加或有一个驼峰
【单选题】Which of the following is NOT true regarding the monetary approach?
A.
BOP is in equilibrium when money demand equals money supply
B.
Change in reserves results from the disequilibrium in current account, financial and capital account
C.
When a country runs BOP deficit or surplus, it should devalue or revalue its currency
D.
In a two-country model, the exchange rate is determined by the relative quantities of money supply and money demand
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