I don't have _ money in my pocket. [ ]
A. some
B. any
C. little
D. few
答案:B
面盒形洞,一般应深入牙本质内()
A.0.2~0.5mm
B.0.5~1mm
C.1.0~1.5mm
D.1.5~2.0mm
E.都不正确
制动器制动瓦轴线与制动轮轴线的同轴度不大于()。
A、1mm
B、2mm
C、3mm
D、4mm