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【单选题】
他励直流电动机在所带负载不变的情况下稳定运行，若此时增大电枢电路的电阻，待重新稳定运行时，电枢电流和转矩将（）。A.
增大
B.
减小
C.
不变
D.
电枢电流改变、转矩不变
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举一反三
【单选题】_________as one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.
A.
Knowing
B.
Known
C.
To know
D.
Know
【单选题】船舶在大风浪中锚泊时下列说法错误的是___
A.
所有安全设备和消防系统均处于备用状态
B.
定期检查所有运转和备用的机器
C.
由轮机长酌情决定值航行班与否
D.
影响航行和备车的各项维修工作必须立即完成保持良好工作状态
【单选题】Which sentence is TRUE? ___________.
A.
Framing is about focusing, shaping, and organizing the world around us but does not define persons, events or processes.
B.
Frames are important in negotiation because disputes are often nebulous and open to different interpretations.
C.
A characterization frame can clearly be shaped by experience with the other party but identity frames (of self) tend to be negative while the characterization frames tend to be positive.
D.
Disputes over rights are sometimes referred to formal or informal arbitrators to decide whose standards or rights are more appropriate.
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