交流电机分为同步交流电机和异步交流电机。
题型：判断题
问题：
交流电机分为同步交流电机和异步交流电机。
题型：判断题
| 根据图表，判断下列句子是否正确。正确的画“√”，不正确的画“×”。 | |||||||||||||||||||||
( ) 2. Jenny likes to help her mother to do housework. ( ) 3. Danny's favourite thing is watching TV. ( ) 4. Jenny doesn't like to draw pictures. ( ) 5. Danny sometimes does his homework. |
usually 
sometimes 
always 
never