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【单选题】
下列叙述中不具状态函数特征的是
A.
系统状态确定后,状态函数的值也确定
B.
系统变化时,状态函数的改变值只由系统的态决定
C.
经循环过程,状态函数的值不变
D.
状态函数均有加和性
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【单选题】电磁系仪表的结构特点是( )。
A.
铁芯不动、线圈可动
B.
铁芯可动、线圈不动
C.
铁芯、线圈都可动
D.
铁芯、线圈都不动
【简答题】However, it doesn’t ________________ to criticize our students.
【单选题】However, if one of my girls doesn't ____, I dance
A.
show up
B.
show off
C.
show in
【简答题】( ) 1 Mr White lives on ___floor. A. the fif B. fif C. the fifth D. fifth ( ) 2 A boy named Ding Wei kicked a goal early ____ of the match. A. in the one half B. in the first half C. f...
【单选题】He has tried twice, and the captain asks him to have ____ third try.
A.
a
B.
the
C.
another
D.
other
【单选题】Has the boy ever tried Italian food ?
A.
Yes, at least twice.
B.
Yes, at least once.
C.
w hen he was in his wedding party
D.
w hen he was in his sister's wedding party
【简答题】SECTION A COMPOSITION (35 MIN) Career planning is an important step for graduates, and is of great importance. Some of the tips and potential flaws must be included in your composition. Write on ANSWE...
【判断题】A social trend, however doesn't survive a long time and doesn't become a true part of modern culture. .
A.
正确
B.
错误
【单选题】Career planning is a lifelong precess, __________ includes choosing an occupation, getting a job, growing in the job, possibly changing careers, and eventually retiring.
A.
it
B.
that
C.
which
D.
who
【判断题】继电器的触点只受电压控制。
A.
正确
B.
错误
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