TOSI燃煤锅炉点火前对锅水循环启动及运行有何要求?
保护消费者合法权益是国家应尽的职责。由()通过采取相应措施来实现。
A. 立法机关
B. 行政机关
C. 公安机关
D. 司法机关
下列属于我国明代戏曲音乐四大声腔的是()。
A. 余姚腔
B. 弋阳腔
C. 昆山腔
D. 皮黄腔
E. 梆子腔
If you see someone fall overboard from a ship,you should().
A. immediately jump in the water to help the individual
B. call for help and keep the individual in sight
C. run to the radio room to send an emergency message
D. go to the control room for the distress flare