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【单选题】
对采用汽轮机给水泵的油船辅锅炉,其水位控制由双回路控制系统组成。两个回路的被控量分别是___和_____。A.
水/给
B.
水位/给水阀前后压差
C.
给水量/给水阀前后压差
D.
水位/蒸汽量
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【单选题】What's the average annual growth rate for China's e-commerce trade for the past three years?
A.
1
B.
2
C.
3
D.
4
E.
5
F.
6
G.
7
【简答题】通常，股票分割往往会导致股价如何变化？
【单选题】用万用表判别放大电路中处于正常工作的某个 BJT 的类型 ( 指 NPN 型还是 PNP 型 ) 与三个电极时,以测出 最为方便。
A.
各极间电阻
B.
各极电流
C.
各极对地电位
D.
各极功率
【单选题】A project produces annual net income of $9,500, $12,500, and $15,500 over the three years of its life, respectively. The initial cost of the project is $260,400. This cost is depreciated straight-line...
A.
4.80%
B.
7.32%
C.
8.97%
D.
9.60%
E.
10.27%
【单选题】Forty years ago, your mother invested $5,000. Today, that investment is worth $430,065.11. What is the average annual rate of return she earned on this investment?
A.
11.68 percent
B.
11.71 percent
C.
11.78 percent
D.
11.91 percent
E.
12.02 percent
【单选题】On average, from 1978-1996, the country with the highest rate of annual inflation was
A.
France.
B.
Ireland.
C.
Italy.
D.
Belgium.
E.
Netherlands.
【单选题】Imagine that there are two countries, Home and Far Far Away, and that residents of each own only one asset, domestic land yielding an annual harvest of mangoes. Assume that the yield on the land is un...
A.
2500
B.
2750
C.
3500
D.
3750
E.
3000
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