轨道动态检查Ⅱ级每处扣()分
A.1
B.2
C.5
D.10
参考答案:C
We'll have dinner at Qianxilong Restaurant, which is famous ________ its food.[ ]
A. of
B. to
C. for
D. as
数据模型按不同的应用层次分为3种类型,它们是 【5】 数据模型、逻辑数据模型和物理数据模型。