一列火车载重1884吨，一辆卡车载重6吨，一列火车载重的吨数是一辆卡车的几倍？
1884÷6=314，
答：一列火车载重的吨数是一辆卡车的314倍．
带电跨越架架体基础为枕木，敷设枕木略低于地面。（）
Customers may also be permitted to () their current accounts for a short period in anticipation of a credit item coming in.
A. overextend
B. overdraw
C. overvalue
D. overpay
