试题与答案

试述投资银行如何项目融资服务。

题型:问答题 论述题

题目:

试述投资银行如何项目融资服务。

答案:

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参考答案:变压器励磁涌流是指变压器全电压充电时,当投入前铁芯中的剩余磁通与变压器投入时的工作电压所产生的磁通方向相同时,因总磁通量远远超过铁芯的饱和磁通量而在其绕组中产生的暂态电流。变压器励磁涌流...

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题型:填空题
短文填空。
prefer, watch, enough, do, taste, interesting, if, make, be bad for, but,
     A well-balanced diet is very important because it keeps us fit and healthy.
     Too many sweets and too much soft drink __1__our health. We might have a stomachache or lose our
  appetite (食欲) __2__ we have too many snacks at one time. I __3__ fruit to snacks because fruit gives
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 Also, I prefer fruit juice to soft drink. My mother always __5__ juice for me.
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题型:选择题
如图所示,两根相距为l的平行直导轨ab、cd、b、d间连有一固定电阻R,导轨电阻可忽略不计;MN为放在ab和cd上的一导体杆,与ab垂直,其电阻也为R;整个装置处于匀强磁场中,磁感应强度的大小为B,磁场方向垂直于导轨所在平面(指向图中纸面内);现对MN施力使它沿导轨方向以速度v(如图)做匀速运动;令U表示MN两端电压的大小,则(  )

A.U=vBl,流过固定电阻R的感应电流由b到d

B.U=vBl,流过固定电阻R的感应电流由d到b

C.U=vBl,流过固定电阻R的感应电流由b到d

D.U=vBl,流过固定电阻R的感应电流由d到b

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