下列不属于结构化分析常用工具的是( )。
A.用例图
B.数据字典
C.判定树
D.PAD图
参考答案:A
解析: 用例图不属于结构化分析的常用工具,是面向对象分析的工具。
Lawrence Craven, a doctor from the USA, is the author of several published reports, one of which introduced the idea in 1953 ________ aspirin could reduce the risk of heart attacks by thinning blood.
A.when
B.where
C.that
D.which
下面概念中,不属于面向对象方法的是( )。
A.对象
B.继承
C.类
D.过程调用