任何从【 】派生的类都可以用throw语句抛出,抛出异常用来表明程序遇到的错误无法正常执行而需要异
从供选择的答案中选出应填入下列英文语句中______内的正确答案。
Perhaps you have been asking the questions: Is everyone moving to(1)? If l don't step up to the(2)user interface, will I be left all along at the cold(3)command line?
Don't throw away your DOS(4). No one is(5)DOS's death knell yet. DOS and its applications people have been using for years are not going to stop working overnight.
供选择的答案:
(1) DOS (2) UNIX (3) Windows (4) Windows NT (5) graphical
(6) software (7) replacing (8) sounding (9) text (10) hardware
A.从理论上说任何一种颜色都可以用三种基本颜料按照一定的比例混合而成,这三种颜色就是R,G,B的补色
B.三种基色混合相当于从黑色中减去红,绿,蓝,得到的结果为白色。
C.CMY中,C代表青色,M代表品红,Y代表黄色。
D.CMY模型也可称为CMYK模型,其中K代表墨黑。
A.错误
B.正确
B.class derived::student public{//……}
C.class derived::private student{//……}
D.class derived::public student{//……}