皮皮学,免费搜题
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【单选题】
正馈线的机械强度安全系数不应小于()。
A.
2.0
B.
2.5
C.
3.0
D.
4.0
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举一反三
【多选题】Which of the following factors affact the capacitor of a conductor system?
A.
Size of conductor
B.
Type of dielectric
C.
Structure of the system
D.
Voltage of the source
【判断题】The conductor asks the boy to hop on the express train.()
A.
正确
B.
错误
【单选题】The conductor and composer ____________by a crowd of people.
A.
are greeted
B.
is greeted
C.
greets
D.
have been greeted
【简答题】需求导向定价法包括哪三类
【单选题】In the case of a charged conductor, what is the character of the conductor?
A.
Different regions inside the conductor may be at different potentials.
B.
Different regions inside the conductor may have different electric fields .
C.
The potential must be zero everywhere inside the conductor .
D.
The electric field must be zero everywhere inside the conductor .
【多选题】海运运费按( )不同方式分别计价
A.
班轮
B.
租船
C.
整箱与拼箱
D.
集装箱
【判断题】SS4改型机车当发生牵引电动机过流时,会跳断该电机支路的接触器。
A.
正确
B.
错误
【单选题】打开"个性化"设置窗口,不能设置( )。
A.
桌面小工具
B.
桌面的颜色
C.
一个桌面主题
D.
一组可自动更换的图片
【单选题】The conductor allows the dog to sit on the chair.
A.
True.
B.
False.
【多选题】海运费按( )不同方式分别计价
A.
班轮
B.
租船
C.
整箱与拼箱
D.
集装箱
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