产业是指从事各种()的事业。
A.生产
B.经营
C.生产合经营
参考答案:C
Father _____ goes to the gym with us although he dislikes going there.
A. hardly B. seldom C. sometimes D. never
光伏发电站监控系统无功电压控制方式包含()。
A.调节升压变压器变比
B.调节光伏逆变器无功输出
C.控制无功补偿装置