下列不属于面向对象软件区别于传统结构化软件的特点的是______。
A．封装 B．结构化 C．继承 D．多态
参考答案：B
----- Why was the student laughed at by classmates?
----- He must have _____ what the teacher said in class.
A．recognized
B．grasped
C．mistaken
D．achieved
内毒
