单项选择题
______ serves as a symbol of its independence of other ...
单项选择题______ serves as a symbol of its independence of other states, and as a marker of its difference from other states. A、A regional dialect B、A standard dialect C、A social dialect
(X-3)结合所学面向对象设计原则,谈谈对类和接口“粒度”的理解。
问答题(X-3)结合所学面向对象设计原则,谈谈对类和接口“粒度”的理解。
商品上下架时间不能轻易改动。( )
单项选择题商品上下架时间不能轻易改动。( )