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【单选题】
电动机的接地故障电流大小取决于供电系统的（）。A.
接地方式
B.
频率大小
C.
保护类型
D.
电源类型
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举一反三
【单选题】Can machines perform. the same tasks______?
A.
that man does
B.
what man does
C.
how man does
D.
as man does
【简答题】Your —— is the triumph of years of hard work, both of your own and of your
parents and teachers.
【单选题】最好的办法是学生和老师都参与课外活动。
A.
The best way is that both students and teachers get involved in extracurricular activities.
B.
The best way is that neither students nor teachers get involved in extracurricular activities.
C.
One of the best way is that neither students nor teachers get involved in extracurricular activities.
D.
One of the best way is that both students and teachers get involved in extracurricular activities.
【判断题】In the early years of the school it was necessary for the student to be taught by two masters,because of the difficulty at that time of finding teachers who were sufficiently masters of both art and c...
A.
正确
B.
错误
【单选题】Why does China pay so much attention to the construction of 5G networks?
A.
Because China fell behind in the construction of 5G networks.
B.
Because China will have more than 700 million 5G users by 2024.
C.
Because China needs 5G.
D.
Because 5G is very important.
【单选题】Why does Liming not want to go by Air China?
A.
Because the tickets have been sold out.
B.
Because there is no air flight to that country.
C.
Because it's dangerous by air.
D.
Because the tickets are very expensive.
【单选题】Why does the younger generation in China work hard?
A.
Because they want to have more money.
B.
Because they want to accumulate more experience.
C.
Because they don't want to exercise in parks.
D.
Because they want to be like weste r ners.
【单选题】The following sentence is about ______________ between doctors and teachers. Both doctors and teachers help others: doctors heal the bodies of sick people and return them to health, and teachers mold ...
A.
similarity
B.
difference
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