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Nobody could have guessed, in those days, the place in history that Martin Luther King, Jr. ________.
[A] was having
[B] was to have
[C] had had
[D] had
A.
[A]
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试分别判断下列各组数据中哪个最大?哪个最小? (1)A=0.101B B=0.101D C=0.101H (2)A=1011B B=101 1D C=101 1H
A.101B
B.101D
C.101H
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求算在流动过程中温度为540℃,压力为5.0MPa的1kmol氮气所能给出的理想功为()取环境温度为15℃,环境压力为0.1MPa。氮气的摩尔等压热容Cp=27.86+4.27×10-3T[kJ/(kmol.K)]理想功为
答案:
1.626×10
4
kJ/kmol。
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