混凝土墩台表面平整度允许偏差（）mm。
A、2
B、3
C、5
参考答案：C
In my opinion,all Mr White________good to his students in his class at present.He is very strict
in their study.[ ]
A. does does does
B. does do do
C. does does do
D. did do does
民族自治地方的自治机关是自治区、自治州、自治县、民族乡的人民代表大会和人民政府。 ( )
