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【单选题】
对交变电流能够通过电容的正确理解是:
A.
交变电流能够使电容器极板间的绝缘介质变成导体
B.
交变电流能够使自由电荷通过电容器两极间的绝缘介质
C.
交变电流能够使电容器交替进行充电和放电,电路中就有了电流,表现为交流通过了电容器
D.
交流“通过”了电容器,实际上自由电荷并没有通过电容器极板间的绝缘介质
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参考答案:
举一反三
【单选题】What do local residents claim for?
A.
They are sick because of years of pollution.
B.
They ere sick because of pesticides from agriculture.
C.
They ere sick because of industries on their doorsteps.
D.
They are sick because of air pollution.
【简答题】What ere the disadvantages of using graphics in a resume? __________________________________________________________________________________________________
【单选题】右枕前位时胎儿的枕骨在母体骨盆的
A.
左前方
B.
右后方
C.
右前方
D.
左后方
E.
以上都不对
【单选题】What is the common vowel sound for the following combinations underlined: interf ere , adh ere , sinc ere ?
A.
/ɔi/
B.
/ɛə/
C.
/iə/
D.
/aiə/
【单选题】听力原文:M: Hello, Julie. What ere you doing here? Drawing money? W: No. I only want to put some money in my deposit account. Not very much, but I'm trying to save. Q: What is the woman doing? (13)
A.
She is drawing.
B.
She is getting some money from the bank.
C.
She is depositing money in the bank.
D.
She is .saving someone.
【单选题】右枕前位时胎儿的枕骨在母体骨盆的( )
A.
左前方
B.
右后方
C.
右前方
D.
左后方
E.
右侧方
【单选题】右枕前位时胎儿的枕骨在母体骨盆的( )
A.
左前方
B.
右后方
C.
右前方
D.
左后方
【简答题】ERE养护技术需要专用设备。()
【单选题】右枕前位时胎儿的枕骨在母体骨盆的:
A.
左前方
B.
右后方
C.
右前方
D.
左后方
E.
正前方
【单选题】右枕前位时胎儿的枕骨在母体骨盆的( )
A.
左前方
B.
右后方
C.
右前方
D.
左后方
E.
脐下右
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