【多选题】在差分放大电路中,输入到两个三极管的基极电压分别为 3.02V 和 3.10V, 以下值不属于差模信号的是 。
【单选题】In the short run, a permanent increase in the domestic money supply causes
A.
a greater upward shift in the DD curve than that caused by an equal, but transitory, increase.
B.
a greater downward shift in the AA curve than that caused by an equal, but transitory, increase.
C.
an smaller upward shift in the AA curve than that caused by an equal, but transitory, increase.
D.
a smaller downward shift in the AA curve than that caused by an equal, but transitory, increase.
E.
a greater upward shift in the AA curve than that caused by an equal, but transitory, increase.
【单选题】In the short run, a cut in the federal funds rate
A.
raises other interest rates as people increase their saving.
B.
increases potential GDP.
C.
increases aggregate demand.
D.
decreases aggregate demand.
【单选题】In the short run, a rise in the federal funds rate shifts the
D.
None of the above because a decrease in the quantity of money does not shift a curve.
【单选题】马克思、恩格斯认为,在共产主义社会,由于社会生产力的巨大发展,“三大差别”归于消失,以下选项中不属于“三大差别”的是( )。
【单选题】In the short run, a monopolist:
A.
always earns an economic profit.
B.
never earns an economic profit.
C.
never earns an accounting profit.
D.
None of the above are correct.
【单选题】误差从来源划分可以分为三大类,以下不属于该类别的是
【判断题】文学史上很多作品都是因为塑造了新人形象而名垂青史,如鲁迅的《狂人日记》、巴金的《家》、柳青的《创业史》等。()