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【单选题】
下列是消化性溃疡发病机制的损害因素是()。A.
幽门螺杆菌
B.
消化不良
C.
食欲不振
D.
呕血
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【单选题】According to the passage, if one enjoys life, he /she is sure to prefer______.
A.
red to yellow
B.
blue to orange
C.
red to grey
D.
blue to yellow
【简答题】Zero-coupon bonds: You bought a $1000 face value zero-coupon bonds that will mature in 2 years. You spent $ 800. What is the yield to maturity of this bond?
【单选题】Zero-coupon bonds issued in 2006 are due in 2016. If they were originally sold at 55 percent of face value, the implied yield to maturity at issuance is?
A.
1.062%
B.
6.16%
C.
8.31%
D.
cannot be determined, need more information
【判断题】The book value of zero-coupon bonds increases by the periodic amount of interest recognized.
A.
正确
B.
错误
【单选题】In the last sentence of the third passage, to which of the following does 'it' refer?
A.
Yellow 'hump'.
B.
Day.
C.
Sun.
D.
Hydrogen fuel.
【单选题】The following is a list of prices for zero coupon bonds with different maturities and par value of $1,000. Given the bond described above, if interest were paid semi-annually (rather than annually), a...
A.
Less than 10%
B.
More than 10%
C.
10%
D.
Cannot be determined
E.
None of these is correct.
【简答题】简述颈椎病如何分型。
【单选题】若连接 R2 和 R3 链路的频率带宽为 8kHz ,信噪比为 30dB ,该链路实际数据传输速率约为理论最大数据传输速率的 50% ,则该链路的实际数据传输速率约是多少?( )
A.
20kbps
B.
40kbps
C.
80kbps
D.
8kbps
【简答题】均匀磁场的磁感强度 垂直于半径为r的圆面.今以该圆周为边线,作一半球面S,则通过S面的磁通量的大小为A. 2 B πr 2 B. πr 2 B. C. 0. D. 无法确定的量.
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