单项选择题
A.0.75ml~1.25mlB.1.5ml~2.0mlC.1.75ml~2.25mlD.0.75ml~2.05ml
A.1/5或1/15mlB.1/20或1/60mlC.1/10或1/30mlD.1/2或1/6ml
A.1/4B.1/3C.1/2D.1/5