句型转换，每空一词。  

①Nancy likes giraffes. (改为否定句)    

    Nancy________ giraffes.  

②The small koala is from Australia.(就画线部分提问)    

    ________ _________the small koala_________?  

③It is an eight-year-old child.(改为同义句)    

    The child is________ ________ old.  

④David likes lions because they are very fierce.(就画线部分提问)   

   _________ _________David_________ lions?  

⑤Dolphins are kind of interesting. (改为同义句)  

    Dolphins are________ _________ interesting.

关门车辆超过规定时，发车前应持有（）。

A、调度命令

B、制动证明

C、列检证明

D、制动效能证明书