在VVVF中,与控制相关的电压监控保护装置由牵引控制单元启动。
参考答案:对
镇静要达到的目标不包括()。
A.消除或减轻患者的疼痛及不适感
B.改善睡眠
C.减轻或消除患者焦虑
D.降低患者氧耗
E.维持循环稳定
句型转换
1.By comparing with others, you will find your problems are not so terrible.(划线部分提问)
you find your problems are not so terrible?
2. It is interesting to send English messages to friends on a mobile phone.(改为感叹句)
interesting thing it is to send English messages to friends on a mobile phone!
3. It would be nice if we could get a room with a kitchen so we could cook our town meals.(改为同义句)
It would be nice if we could get a room a kitchen so we could cook our own meals.
4. Being a volunteer is great.(改为反义疑问句)
Being a volunteer is great, ?
5. The woman teacher asked the students “ Can you understand what I am saying?”(改为间接引语)
The woman teacher asked the students could understand what she was saying.