发电机不发有功而向电网输送容性无功是（）运行。
A.调相
B.进相
C.定相
D.其他三个选项都不是
参考答案：A
根据句意和首字母提示完成单词。
1. Beijing is the c of China.
2. Lu Xun was one of the greatest w .
3. France is a E country.
4. The boy doesn't know which t to choose. There are many things for him to write.
5. We use a c language in our class.
