ABC分类法按照（）把存货分在A、B、C三类。
A.销售量
B.销售额
C.缺货成本
D.订货提前期
参考答案：A, B, C, D
Ten years ago the population of our village was ____ that of theirs. [ ]
A. as twice large as
B. twice as large as
C. twice as much as
D. as twice much as
按海关现行规定，进出口货物完税后，如发现非纳税人原因少征或者漏征税款，海关应当白缴纳税款或者货物放行之日起（）内，向纳税义务人补征。
A.半年
B.1年
C.5年
D.3年
