Halfoftheworkershere_____under30_____.
A. is:years
B. are;yearold
C. is;yearsold
D. are;yearsold
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Theaudience_____solargethatnoseatwasleftunoccupiedinthegreathall
A. is
B. are
C. was
D. has
Thesecretaryandprincipal_____atthemeetingnow
A. arespeaking
B. isSpeaking
C. weremakingaspeech
D. haveaspeech
Threefourthsofthebread_____byBob,andtherestofthebread_____leftonthetable.
A. waseaten:were
B. wereeaten;was
C. wereeaten:were
D. waseaten:was
电机控制器,简称________,是新能源汽车特有的核心功率电子单元,通过接收VCU的车辆行驶控制指令,控制电动机输出指定的扭矩和转速,驱动车辆行驶。