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【单选题】
The common stock of Manchester & Moore is expected to earn 13 percent in a recession, 6 percent in a normal economy, and lose 4 percent in a booming economy. The probability of a boom is 5 percent while the probability of a recession is 45 percent. What is the expected rate of return on this stock?A.
8.52 percent
B.
8.74 percent
C.
8.65 percent
D.
9.05 percent
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举一反三
【单选题】－Why didn’t Tom give you one of his paintings? －I didn’t want one，but he would have given me one if I______.
A.
did
B.
would
C.
will
D.
had
【简答题】电控发动机节气门位置传感器按输出信号可分为开关式和___,式两种形式。