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【简答题】
3 灭弧的基本原理是什么?低压电器常用的灭弧方法有哪几种?
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参考答案:
举一反三
【单选题】I'll come when you are _______ help.
A.
on need of
B.
in need of
C.
at need for
D.
in need
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【单选题】According to the passage, a man wants a wife because ______.
A.
he needs someone to help with his studies
B.
he feels lonely without her
C.
he cannot have clean clothes to wear without a wife
D.
material comforts can not be attained without a wife
查看完整题目与答案
【单选题】I need help _____my English,but I can help you______your Chinese.
A.
for,with
B.
for,for
C.
with,for
D.
with,with
查看完整题目与答案
【单选题】I couldn’t______cry while I was watching the movie “Titanic”.
A.
help to
B.
help
C.
help but to
D.
help but
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【单选题】The magician picked several people______from the spectators and asked them to help him with the performance.
A.
by chance
B.
at random
C.
on occasion
D.
on average
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【判断题】斗式提升机简称斗提机,是一种在垂直方向或大于70度角的倾斜方向上输送粉粒状物料的设备
A.
正确
B.
错误
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【单选题】什么电池是心脏起搏器采用的主要电源?()
A.
氢镍电池
B.
锂电池
C.
铬镍电池
D.
干电池
查看完整题目与答案
【判断题】斗提式输送机简称斗提机,是一种在垂直方向或大于50度角的倾斜方向上输送粉粒状物料的输送设备。
A.
正确
B.
错误
查看完整题目与答案
【简答题】A. Take pride in B. Talk about C. Help with D. Talk to
查看完整题目与答案
【单选题】---Is Kate serious? ---I _________. She never means it. [ ]
A.
suppose
B.
agree
C.
believe
D.
wonder
查看完整题目与答案
相关题目:
【单选题】I'll come when you are _______ help.
A.
on need of
B.
in need of
C.
at need for
D.
in need
查看完整题目与答案
【单选题】According to the passage, a man wants a wife because ______.
A.
he needs someone to help with his studies
B.
he feels lonely without her
C.
he cannot have clean clothes to wear without a wife
D.
material comforts can not be attained without a wife
查看完整题目与答案
【单选题】I need help _____my English,but I can help you______your Chinese.
A.
for,with
B.
for,for
C.
with,for
D.
with,with
查看完整题目与答案
【单选题】I couldn’t______cry while I was watching the movie “Titanic”.
A.
help to
B.
help
C.
help but to
D.
help but
查看完整题目与答案
【单选题】The magician picked several people______from the spectators and asked them to help him with the performance.
A.
by chance
B.
at random
C.
on occasion
D.
on average
查看完整题目与答案
【判断题】斗式提升机简称斗提机,是一种在垂直方向或大于70度角的倾斜方向上输送粉粒状物料的设备
A.
正确
B.
错误
查看完整题目与答案
【单选题】什么电池是心脏起搏器采用的主要电源?()
A.
氢镍电池
B.
锂电池
C.
铬镍电池
D.
干电池
查看完整题目与答案
【判断题】斗提式输送机简称斗提机,是一种在垂直方向或大于50度角的倾斜方向上输送粉粒状物料的输送设备。
A.
正确
B.
错误
查看完整题目与答案
【简答题】A. Take pride in B. Talk about C. Help with D. Talk to
查看完整题目与答案
【单选题】---Is Kate serious? ---I _________. She never means it. [ ]
A.
suppose
B.
agree
C.
believe
D.
wonder
查看完整题目与答案
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