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【判断题】
三相异步电动机的最大磁通势T m 的大小与转子电阻r m 阻值无关.A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【多选题】The relationships among the Five Elements are_____.
A.
generation
B.
restriction
C.
subjugation
D.
counter-restriction
【单选题】患者女,75岁,体型娇小,心搏骤停后行气管插管术,错误的是( )
A.
气管导管ID9.0mm
B.
插入深度20cm
C.
插管前吸纯氧2-3分钟
D.
取仰卧位，肩部垫高
E.
首选经口插管
【单选题】Among the five boys, Tony made______ progress.
A.
the least
B.
the less
C.
the little
【简答题】系统开环传递函数一般是由典型环节()而成的。
【单选题】— Must I make a choice among the five dictionaries right now? — __________, you don't have to decide immediately. [ ]
A.
It makes no difference
B.
Just take your time
C.
Look at it slowly
D.
I don't care at all
【单选题】Which of the following is NOT among the five biggest cities in the United States?
A.
Chicago.
B.
New York.
C.
Miami.
D.
Los Angeles.
【单选题】Only which lake among the five lakes belong to America completely while the other four shared with Canada?
A.
Lake Superior.
B.
Lake Erie.
C.
Lake Michigan.
D.
Lake Huron.
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