软件部件的内部实现和外部可访问性分离,这是指软件的( )。
A.封装性
B.继承性
C.共享性
D.抽象性
参考答案:A
0乘任何数都得0,1乘任何数都得1.______.(判断对错)
The growth of their economy is ______ , not in reality. Many of their statistics are false.
A. in figures B. in factC. in the red D. in form