A. Public Sub Sum(x,y) B. Public Sub Sum(ByVal x, ByVal y) C. Public Sub Sum(x As Integer,y As Integer) D. Public Sub Sum(x%, y%)
A. 正确 B. 错误
A. 商品易于携带 B. 商店的服务非常好 C. 商品容易套现 D. 单个商品价格高