公差等于最大极限尺寸与最小极限尺寸之代数差的___。
参考答案：绝对值
I like the teacher__________classes are very interesting and creative.
A．which
B．who
C．what
D．whose
存金通（）业务实行贵金属份额、资金实时清算。
A.销售
B.卖出
C.购回
D.提货
