A.无论何种继承方式,基类protected成员在派生类中一定能直接访问
B.在仅有一个类的情况下,private和protected成员的类内和类外访问权限一样,均实现对数据成员的信息隐蔽,即类外无法直接访问
C.在有继承时,基类protected成员的优势是,既能在基类直接访问,又能在派生类中直接访问,同时在类外不能直接访问,实现对数据成员的信息隐蔽
D.基类private成员在派生类中一定无法访问
第5题
A、One can feel free if he enjoys what he is doing and one can feel important if what he is doing is valued by society.
B、One can feel free if he enjoys what he is working and one can feel important if what he is doing is paid by society.
C、One can feel free if he enjoys what he is playing and one can feel important if what he is doing is compelled by society.
D、One can feel free if he is interested in what he is doing and one can feel important if what he is doing is valued by his boss.
第7题
A、柜门内可安置搁板、抽屉,既防尘又起到装饰作用
B、柜门尺寸精确,形状稳定,便于开关,有足够的强度
C、柜门包括实木门、嵌板门、百叶门、玻璃门
D、内嵌式柜门采用直臂铰链
第10题
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