题目内容

反接制动是需要停机时通过改变电动机电源（相序），产生制动力矩的一种制动方法。当电动机转速接近零时，必须立即断开电源，否则电动机会（）旋转。

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能耗制动时，切断定子绕组的交流电源后，在定子绕组任意两相通入（），形成一固定磁场，产生制动力矩。制动结束，必须及时（切除）直流电源。

When employees participated in the problem-solving process, they were much more willing to ________ solutions to the problems.

A. complement
B. compliment
C. implement
D. supplement

Strong police force has been placed between the two _______ groups in the village to prevent fighting and killing.

A. rival
B. imperial
C. temporary
D. prejudiced

Although personally we believe this to be of only secondary importance, its potential role in _________ innovative acts cannot be ignored.

A. motivated
B. motivating
C. cultivated
D. cultivating