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【单选题】
下列有关苯妥英钠的叙述,不正确的是( )A.
可以抗心律失常
B.
可引起齿龈增生
C.
可用于治疗三叉神经痛
D.
可用于控制癫痫持续状态
E.
对失神小发作也有效
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举一反三
【单选题】When the economy is in recession, jobs are generally harder to find and more people go to college. We can conclude that the opportunity cost of
A.
going to college decreases when the economy is in recession.
B.
going to college increases when the economy is in recession.
C.
working increases when the economy is in recession.
D.
working is zero when the economy is in recession.
【单选题】In a recession when income and wealth are falling, the demand for bonds _________ and the demand curve shifts to the _________.
A.
falls; left
B.
falls; right
C.
rises; right
D.
rises; left
【判断题】A recession occurs when real GDP declines for two successive quarters in a row
A.
正确
B.
错误
【单选题】Bill is a high-school drop out who lost his job in a fast food restaurant when the economy plunged into a recession. After 8 months, Bill is still looking for work. He is an example of
A.
frictional unemployment.
B.
structural unemployment.
C.
cyclical unemployment.
D.
the natural unemployment rate
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