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【简答题】
一台220/110V的单相变压器,试分析当高压侧加220V电压时,空载电流I 0 呈何波形----( ) 高压侧若加110V时,空载电流又呈何波形 ----( ) 若110V加到低压侧,此时I 0 又呈何波形 ----( ) (选填 尖顶波 正弦波 平顶波)
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【判断题】一个有源支路,当其端电压为零时,该支路电流也为零。( )
A.
正确
B.
错误
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【简答题】His mother had thought it would be good for his character to ________ from home and earn some money on his own. A．ran away B．take away C．keep away D．get away 
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【单选题】It was unbelievable that the fans waited outside the gym for three hours just ______ a look at the sports stars. [     ]
A.
had
B.
having
C.
to have
D.
have
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【判断题】0330038003000301585071135127复杂的程序结构都是由基本结构组合而成。
A.
正确
B.
错误
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【单选题】His mother had thought it would be good for his character to ______from home and earn some money on his own.
A.
run away
B.
take away
C.
keep away
D.
get away
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【单选题】病态发育与下列哪一因素关系最密切：
A.
遗传因素
B.
内分泌紊乱
C.
营养状况
D.
心理状态
E.
体育锻炼
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【单选题】(Just) outside (the interest) (of places are) a glorious building (surrounded) by tall trees.
A.
Just
B.
the interest
C.
of places are
D.
surrounded
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【单选题】His grandfather died ____ the wound that the enemy soldier had given him .and then his grand- mother died ____ hungry and cold.
A.
from,of
B.
of,from
C.
from,from
D.
of.of
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【单选题】Just outside the ruins ______ a magnificent building surrounded by many tall trees.
A.
is
B.
be
C.
are
D.
will be
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【单选题】His doctor had advised him ___________ smoke, and later his mother made him ________ buying more cigarettes.
A.
not to; stop
B.
not to; to stop
C.
to not; to stop
D.
to not; stop
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相关题目：
【判断题】一个有源支路,当其端电压为零时,该支路电流也为零。( )
A.
正确
B.
错误
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【简答题】His mother had thought it would be good for his character to ________ from home and earn some money on his own. A．ran away B．take away C．keep away D．get away 
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【单选题】It was unbelievable that the fans waited outside the gym for three hours just ______ a look at the sports stars. [     ]
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【判断题】0330038003000301585071135127复杂的程序结构都是由基本结构组合而成。
A.
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B.
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【单选题】His mother had thought it would be good for his character to ______from home and earn some money on his own.
A.
run away
B.
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【单选题】病态发育与下列哪一因素关系最密切：
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遗传因素
B.
内分泌紊乱
C.
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D.
心理状态
E.
体育锻炼
查看完整题目与答案
【单选题】(Just) outside (the interest) (of places are) a glorious building (surrounded) by tall trees.
A.
Just
B.
the interest
C.
of places are
D.
surrounded
查看完整题目与答案
【单选题】His grandfather died ____ the wound that the enemy soldier had given him .and then his grand- mother died ____ hungry and cold.
A.
from,of
B.
of,from
C.
from,from
D.
of.of
查看完整题目与答案
【单选题】Just outside the ruins ______ a magnificent building surrounded by many tall trees.
A.
is
B.
be
C.
are
D.
will be
查看完整题目与答案
【单选题】His doctor had advised him ___________ smoke, and later his mother made him ________ buying more cigarettes.
A.
not to; stop
B.
not to; to stop
C.
to not; to stop
D.
to not; stop
查看完整题目与答案