按GB/T15089--2001《机动车辆和挂车分类》标准将机动车辆和挂车

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问题多项选择题

按GB/T15089--2001《机动车辆和挂车分类》标准将机动车辆和挂车分为（）

A.M类

B.N类

C.G类

D.O类

E.L类

答案

参考答案：A, B, C, D, E

选择题

Traffic restrictions have come into effect in Beijing _____ to improve the capital's air quality and traffic

situation for the 2008 Olympics. [ ]

A. in order that

B. in an attempt

C. at an attempt

D. in a try

单项选择题

我国电视标准规定采有（）制式。

A.NTSC

B.PAL

C.SECAM