句型转换。

1. Mike has breakfast at six in the morning. (改为否定句)

2. Jack wants two glasses of orange. (就画线部分提问)

3. There are some hills in the picture. ( 改为单数句)

4. The worker is making a machine. (就画线部分提问) 

5. Do it like that! (改为否定句)

起动状态的划分（以汽机转子温度Tm为标准）是如何规定的？