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【多选题】
如图所示的基本电路的下列叙事正确的是( )。A.
是电磁阀驱动电路
B.
当三极管控制信号消失时,电源经电磁阀到三极管集电极,然后形成回路,电磁阀有电工作
C.
当三极管控制信号失电时,电磁阀线圈通过二极管自身形成回路,构成放电,使电磁阀迅速断电停止
D.
当三极管受控导通时,电磁阀线圈通过二极管自身形成回路,构成放电,使得电磁阀迅速断电停止
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【简答题】Hier soir, je l'(entendre sortir) _________________discrètement de chez lui.
【单选题】It can be implied from the passage that ______.
A.
there will be a new law against pay discrimination in the near future
B.
it is not very likely that the law could be dramatically shifted to the interests of the working population
C.
civil right advocates will never give up until they succeed in overturning the Ledbetter case
D.
the Democratic Congress may cooperate with a Republican in pushing a final legislation against pay discrimination
【单选题】Philadelphia is thought to be the best home for the diary because______.
A.
it was written in Philadelphia
B.
it tells stories about Philadelphia
C.
people in the city are interested in old things
D.
the British and the Americans once fought in Philadelphia
【单选题】It is unreasonable to battle the ______ by increasing the tariff rate.
A.
disposition
B.
discrepancy
C.
defect
D.
deficit
【单选题】● 执行下面的一段C 程序后，变量sum的值应为 （49） 。 char chr = 127 int sum = 300 chr += 1 sum += chr （49）
A.
428
B.
172
C.
300
D.
427
【简答题】Phl染色体(Philadelphia chromosome 1)
【单选题】● 执行下面的一段C 程序后，变量sum的值应为 （49） 。 char chr = 127 int sum = 300 chr += 1 sum += chr
A.
428
B.
172
C.
300
D.
427
【单选题】According to the author, there exists, as far as personality styles are concerned, a discrepancy between
A.
what people say they can do and what they actually can
B.
what society values and what people pretend to be
C.
what people profess and what statistics show
D.
what people profess and what they hide from others
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