题目

The pupils of our school________ to visit Yuntai Garden ________this number bus tomorrow． A . go，by B . going, by C . is going, by D . are going, on 答案：D12．北宋前期，四川地区的商人购买货物时可能用的货币是（　　）A．    交子B．     会子C．   开元通宝D．    光绪通宝