一号线地铁列车滤波电抗器绝缘等级（）级。
参考答案：H
-- Who’s ____________ young man next to Miss Lin?
-- Oh! He is ___________new teacher. You see there are many new teachers in our school this term.
A. the; the B. the; a C. a; a
单组分纯色漆喷涂后，若面涂层需要抛光，应在（）h以后（涂膜完全干燥以后）进行。
A．16
B．14
C．12
