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【判断题】
矢跨比在通常情况下在 1/4 到 1/8 之间取值。
A.
正确
B.
错误
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【单选题】中性点直接进行接地的电力网的主要优点是:发生单相接地时,接地电流小,系统()仍保持对称性,不影响对负荷的供电。
A.
接地电压
B.
线电压
C.
相电压
D.
电流
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【单选题】My grandmother had________ over 50, 000 when she was sixty- five years old.
A.
put away
B.
put back
C.
put out
D.
put down.
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【单选题】My grandmother had a reverence for the sun, a holy regard that now is _____gong out of mankind.
A.
all
B.
all but
C.
anything but
D.
nothing but
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【简答题】My grandmother had a 1———— for the sun, a holy regard that now is all but gone out of mankind. There was a 2———— in her, and an ancient awe. She was a Christian in her later years, but she had come a ...
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【单选题】My grandmother had a reverence for the sun, a holy regard that nowis __________gone out of mankind.
A.
nothing but
B.
anything but
C.
all but
D.
no but
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【单选题】Life was extremely hard in the past. My grandmother had no chance to go to school, even the ______ school.
A.
elemental
B.
elementary
C.
basic
D.
introductory
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【单选题】中性点不接地系统的主要优点是
A.
发生单相接地时仍可继续向用户供电
B.
接地电流较大时,不会在接地点产生断续电弧
C.
接地电流较大时,不会使线路发生谐振过电压现象
D.
发生单相过电压时,不会继续向用户供电
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【单选题】It’s true that the bad news had a bad ______ on my grandmother.
A.
affect
B.
instance
C.
taste
D.
Effect
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【单选题】My grandmother had a reverence for the sun, a holy regard that now is all but gone out of mankind.
A.
respect
B.
ponder
C.
depression
D.
honor
查看完整题目与答案
【简答题】中性点不接地系统主要的优点是发生单相接地故障时的(),无需()。
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相关题目:
【单选题】中性点直接进行接地的电力网的主要优点是:发生单相接地时,接地电流小,系统()仍保持对称性,不影响对负荷的供电。
A.
接地电压
B.
线电压
C.
相电压
D.
电流
查看完整题目与答案
【单选题】My grandmother had________ over 50, 000 when she was sixty- five years old.
A.
put away
B.
put back
C.
put out
D.
put down.
查看完整题目与答案
【单选题】My grandmother had a reverence for the sun, a holy regard that now is _____gong out of mankind.
A.
all
B.
all but
C.
anything but
D.
nothing but
查看完整题目与答案
【简答题】My grandmother had a 1———— for the sun, a holy regard that now is all but gone out of mankind. There was a 2———— in her, and an ancient awe. She was a Christian in her later years, but she had come a ...
查看完整题目与答案
【单选题】My grandmother had a reverence for the sun, a holy regard that nowis __________gone out of mankind.
A.
nothing but
B.
anything but
C.
all but
D.
no but
查看完整题目与答案
【单选题】Life was extremely hard in the past. My grandmother had no chance to go to school, even the ______ school.
A.
elemental
B.
elementary
C.
basic
D.
introductory
查看完整题目与答案
【单选题】中性点不接地系统的主要优点是
A.
发生单相接地时仍可继续向用户供电
B.
接地电流较大时,不会在接地点产生断续电弧
C.
接地电流较大时,不会使线路发生谐振过电压现象
D.
发生单相过电压时,不会继续向用户供电
查看完整题目与答案
【单选题】It’s true that the bad news had a bad ______ on my grandmother.
A.
affect
B.
instance
C.
taste
D.
Effect
查看完整题目与答案
【单选题】My grandmother had a reverence for the sun, a holy regard that now is all but gone out of mankind.
A.
respect
B.
ponder
C.
depression
D.
honor
查看完整题目与答案
【简答题】中性点不接地系统主要的优点是发生单相接地故障时的(),无需()。
查看完整题目与答案
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