有如下程序: #include<iostream> using namespace std; class Sac{ int n; public: Sac():n(4){cout<<n;} Sac(int k):n(k){cout<<n;} ~Sac(){cont<<n+n;} }; int main(){ Sac s1,*s2; s2=new Sac(3); delete s2; return 0; } 运行时的输出结果是______。
从工业发展史来看,文盲可以从事手工业劳动;利用蒸汽机进行生产的时代,要求工人要有初等教育的文化水平;电气生产的时代,要求工人要有中等教育的文化水平;现代利用核技术、电子技术等自动化生产的时代,要求工人要有高中和高等专科以上的文化水平。这表明
A. 生产力发展水平影响人才培养规格
B. 科学技术影响人才培养规格
C. 文化传统影响人才培养规格
D. 政治经济制度影响人才培养目标
有如下程序: #include < iostream > using namespace std; class Base { protected : Base() { cout<<’A’; } Base(charc) { cout<<c; ] }; class Derived: public Base { public : Derived( charc ) { cout<<c; } }; int main() { Derived d1(’B’) ; return 0 ; } 执行这个程序的输出结果是 。
A. B
BA
C. AB
D. BB
To: subscriptions@businessasia.comFrom: jwest@masterfinance.comSubject: subscription #047890To Whom It May Concern,I am writing to inform you that I need to ______ my subscription to Business Asia. Although your articles are always useful and very informative, it is difficult for me to find the time to read them. In fact, almost all of last 6 months" issues have been put aside, ______ unread.I believe that my subscription is valid until next July 15. If your records ______ that this is correct, please send me a refund of $40, which is half of what I paid for my subscription.Thank you in advance for your prompt attention to this matter.Sincerely,Jessica West
A. indication
B. indicate
C. indicating
D. indicates