AVC系统在优化控制模式下,()优先级最高。
A.功率因数校正
B.电压校正
C.网损优化
参考答案:B
素质教育就是什么都学,什么都学好
Carl felt ______ because he won the first prize in the school singing competition.[ ]
A. interested
B. proud
C. angry
D. worried