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三相四线制高压供电线,无功计量装置TV二次c断且Ia断,则更正系数为
A.
正确
B.
错误
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【单选题】已知一电压源的电动势为12V,内阻为2Ω,等效为电流源时,其电流和内阻应为( )。
A.
6A 2Ω
B.
3A  2Ω
C.
6A 3Ω
D.
3A 6Ω
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【单选题】下列操作中,适宜使用宏的是( )。
A.
处理报表中错误
B.
创建自定义过程
C.
修改数据表结构
D.
打开或关闭报表对象
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【单选题】已知一电压源的电动势为12V，内阻为2Ω，等效为电流源时，其电流和内阻应为（ ）。
A.
6A  3Ω
B.
3A  2Ω
C.
6A  2Ω
D.
3A  3Ω
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【简答题】Throughout the history of mankind, people have been asking, “Can it really happen?”The question was asked when people first thought of going out on the oceans. It was asked when Columbus set out on hi...
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【单选题】The largest set of wings on any bird, more than three meters across, is found on the albatross. They are so heavy that it is difficult for the albatross to flap them in order to take off and fly. Not ...
A.
The largest set of wings on any bird, more than three meters across, is found on the albatross.
B.
They are so heavy that it is difficult for the albatross to flap them in order to take off and fly.
C.
Not all large birds can fly.
D.
Albatross often nest on steep cliffs so that they can simply fall off into the air.
E.
Once they are airborne, they soar gracefully.
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【单选题】已知一电流源的电流为 5A ,内阻为 4Ω ,等效为电压源时,其电动势和内阻应为( )。
A.
20V   8Ω
B.
20V  4Ω
C.
10V   4Ω
D.
10V   8Ω
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【简答题】阅读理解 By now, a rocket will have set off on its 35-million-mile trip to Mars and scientists must be waiting for the results. The rocket will be travelling for six months before it reaches the planet. I...
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【单选题】下列操作中,适宜使用宏的是( )。
A.
修改数据表结构
B.
处理报表中错误
C.
打开或关闭报表对象
D.
创建自定义过程
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【简答题】all at once at a time depend on figure out focus on of course on the go on time set aside settle on take a break try out turn in turn off wo...
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【单选题】I suggested that they set off early to avoid (避开) the traffic jam, ____________ no one respond
A.
32. I suggested that they set off early to avoid (避开) the traffic jam, ____________ no one responded. A．on which
B.
to which
C.
about which
D.
for which
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【单选题】已知一电压源的电动势为12V,内阻为2Ω,等效为电流源时,其电流和内阻应为( )。
A.
6A 2Ω
B.
3A  2Ω
C.
6A 3Ω
D.
3A 6Ω
查看完整题目与答案
【单选题】下列操作中,适宜使用宏的是( )。
A.
处理报表中错误
B.
创建自定义过程
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【单选题】已知一电压源的电动势为12V，内阻为2Ω，等效为电流源时，其电流和内阻应为（ ）。
A.
6A  3Ω
B.
3A  2Ω
C.
6A  2Ω
D.
3A  3Ω
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【简答题】Throughout the history of mankind, people have been asking, “Can it really happen?”The question was asked when people first thought of going out on the oceans. It was asked when Columbus set out on hi...
查看完整题目与答案
【单选题】The largest set of wings on any bird, more than three meters across, is found on the albatross. They are so heavy that it is difficult for the albatross to flap them in order to take off and fly. Not ...
A.
The largest set of wings on any bird, more than three meters across, is found on the albatross.
B.
They are so heavy that it is difficult for the albatross to flap them in order to take off and fly.
C.
Not all large birds can fly.
D.
Albatross often nest on steep cliffs so that they can simply fall off into the air.
E.
Once they are airborne, they soar gracefully.
查看完整题目与答案
【单选题】已知一电流源的电流为 5A ,内阻为 4Ω ,等效为电压源时,其电动势和内阻应为( )。
A.
20V   8Ω
B.
20V  4Ω
C.
10V   4Ω
D.
10V   8Ω
查看完整题目与答案
【简答题】阅读理解 By now, a rocket will have set off on its 35-million-mile trip to Mars and scientists must be waiting for the results. The rocket will be travelling for six months before it reaches the planet. I...
查看完整题目与答案
【单选题】下列操作中,适宜使用宏的是( )。
A.
修改数据表结构
B.
处理报表中错误
C.
打开或关闭报表对象
D.
创建自定义过程
查看完整题目与答案
【简答题】all at once at a time depend on figure out focus on of course on the go on time set aside settle on take a break try out turn in turn off wo...
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【单选题】I suggested that they set off early to avoid (避开) the traffic jam, ____________ no one respond
A.
32. I suggested that they set off early to avoid (避开) the traffic jam, ____________ no one responded. A．on which
B.
to which
C.
about which
D.
for which
查看完整题目与答案