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【单选题】
室外消防给采用高压或临时高压给水系统或低压绐水系统。如采用高压或临时高压给水系统，管道的压力应保证用水总量达到最大且水枪在任何建筑物的最高处时，水枪的充实水柱仍不小于( )。A.
7m
B.
10m
C.
15m
D.
20m
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反馈参考答案：
举一反三
【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
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