单项选择题

用于修正怠速转速的传感器是

A、车速传感器
B、冷却液温度信号
C、节气门位置传感器
D、轮速传感器

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单项选择题

Sarah Palin reportedly was paid a $11 million advance to write her book Going Rogue. The book took one year to write. In the time she spent writing, Palin could have been paid to give speeches and appear on TV news as a political commentator. Given her popularity, assume that she could have earned $8 million over the year (paid at the end of the year) she spent writing the book. Assume that she was unable to fulfill her media commitments of appearing on TV news as a political commentator or give speeches. while she was writing the book. The IRR of Palin"s book deal is closest to:
A、-27.25%
B、-37.50%
C、27.25%
D、37.50%

A.25%
B.50%
C.25%
D.50%

单项选择题

保持合理现金持有量的目的有（）。

A、交易性需要
B、预防性需要
C、投机性需要
D、补偿性需要