为了保证孔的尺寸精度，铰刀尺寸最好选择在被子加工孔公差带（）左右。
A.中间1/3
B.上面/3
C.下面1/3
D.1/3
参考答案：A
龙泉窑
How about going fishing? （）, I have no patience for that.
A.Excuse me
B.Sorry
C.Pardon
D.Apologize
