有以下程序: #include <iostream> using namespace std; class B private: int a,b; public: B() B(int i,int j); void printb(); ; class A B C; public: A() A(int i,int j); void printa(); ; A::A(int i,int j) :c(i,j) void A::printa() c.printb (); B::B(int i, int j) a=i; b=j; void B: :printb() cout<<a<<", "<<b<<end1; int main () A m(7,8); m.printa(); return 0; 该程序运行后的输出结果是( )。
A. 5,6
B. 7,8
C. 8,9
D. 9,10
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有以下程序: #include <iostream> using namespace std; int main() int m[5],n[5],*px,*py,k; px=m; py=n; for(k=1;k<4;k++) *px=k; *py=2*k; cout<<m[k-1]<<n[k-1]; px++;py++; cout<<end1; return 0; 运行后的输出结果为 【8】 。
A — GNP (Gross National Product) B — per capita GNPC — output value D — exercise macro-controlE — improve economic environment F — commodity economyG — retail H — international balance of paymentsI — forms of distribution J — risk fundsK — poor management L — farmingM —joint venture N — fishingO — primary industry P — excessive growthQ — tertiary industry R — productive forcesS — private ownership T — wholly foreign owned/funded enterprise ()产值()独资企业
有以下程序: #include <iostream> #include <string> using nameSpace std; class person int age; Char * name; public: person ( int i, Char * str ) int j; j = strlen( str ) + 1; name = new char[ j ]; strcpy( name, str ); age = i; ~person() delete name; cout<<"D"; void display() cout<<name<<":"<<age; ; int main() person demo( 30,"Smith" ); demo.display(); return 0; 则该程序的输出结果为: 【13】 。
What is the purpose of the talk
A. To review what students know about volcanic activity.
B. To demonstrate the use of a new measurement device.
C. To explain the answer to an examination question.
D. To provide background for the next reading assignment.