防护栅栏的设备管理由工务部门负责，治安管理由（）负责。
参考答案：铁路公安部门
改错。
( ) 1. Winter, spring, summer and fall are months. ______________
A B C D
( ) 2. How a hot sunny day! ______________
( ) 3. What do you like doing in winter? ______________
( ) 4. I'm going to put off my hat now. ______________
( ) 5. I like to skate on the snow. ______________
固有鼻腔
