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【单选题】
设X服从参数为2的指数分布,则E(X+e—2X)=( ).
A.
0
B.
1
C.
2
D.
3
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【单选题】程子认为《论语》是孔子的门人有若与曾参的弟子们编的,理由是书中
A.
惟独对有若与曾参两人以子称
B.
对孔子门人称子
C.
孔子的门人及门人的弟子称子
D.
对孔子称子
【单选题】Why does Jack want to leave right away?
A.
The time is so late.
B.
Jack wants to take. the children to see a film.
C.
Jack has a lot of work to do.
【单选题】Jack came late, and his sister came even _________.
A.
later
B.
late
【单选题】对于多变过程,当多变指数 n=+ - ∞ 时表示的过程为( )
A.
( A )定压过程
B.
( B )定容过程
C.
( C )定温过程
D.
( D )定熵过程
【单选题】Jack was late for nearly two hours this morning but he gave such important reasons _____ he was excused.
A.
why
B.
that
C.
when
D.
how
【单选题】对于多变过程,当多变指数n=±∞时,表示的过程为()。
A.
定压过程
B.
定容过程
C.
定温过程
D.
定熵过程
【单选题】对于理想气体的多变过程,当多变指数n为( )时,转变为定容过程。
A.
1
B.
0
C.
k
D.
±∞
【简答题】Why does Jack want to leave right away? [ A] The time is so late. [ B]Jack wants to take the children to see a film. [C]jack has a lot of work to do.
【多选题】《论语》中对孔子的门人称子的有( )。
A.
有若
B.
冉有
C.
闵子骞
D.
曾参
【单选题】Jack came late, and his sister came even _____.
A.
late
B.
early
C.
later
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