考试复习题库精编合集2021年全国计算机等级考试二级C++模拟试题(7)-笔试部分

A、//B、/*C、*/11、#include″iostream.h″voidmain(){inti=1,j=1,k=2;if((j++||k++)&A、a,point,*&aB、&*a,&a,*pointC、*&point,*point,&aD、&a,&*point,point#includevoidmain(){intx,y;cin>>x;y=x>12?x+10:x-12;coutcoutD、10A、inta[2][]={{1,0,1},{5,2,3}};B、inta[][3]={{1,2,3},{4,5,6}};C、inta[2][4]={{1,2,3},{4,5},{6}};D、inta[][3]={{1,0,1},{},{1,1}};有如下程序#includevoidmain(){floatx=2.0,y;if(x该程序的输出结果是()[2分]A、#C、//已知有定义constintD=5;inti=1;doublef=0.32;charc=15;则下列A、++i;B、D--;C、c++;D、--f;被13和11整除，在划线处应填入的选项是（）#includevoidmain(){inti=0,j,k;do{i++;k=316-13*i;}while(___);j=k/11;cout[2分]A、k/11B、k%11C、k/11==0D、k%11=0fun(char*a,char*b){intnum=0,n=0;while(*(a+num)!=′\0′)num++;while(b[n]){*(a+num)=b[n];num++;n++;}returnnum;}[2分]#includeintc;classA{private:inta;staticintb;public:A(){a=0;c=0;}voidseta(){a++;}voidsetb(){b++;}voidsetc(){c++;}voiddA、fun();D、Base->fun();#include#includevoidmain(){charp1[10],p2[10];strcpy(p1,″abc″);strcpy(p2,″ABC″);charstr[50]″xyz″;strcpy(str+2,strcat(p1,p2));c答案：["sizeof"]#includeclassobject{private:intval;public:object();object(inti);~object();};object::object(){val=0;coutobject::object(inti){vali;coutobject::~object(){coutclasscontainer{private:objectone;objecttwo;intdata;public:container();container(inti,intj,intk);~container();};container::container(){cata=0;coutcontainer::container(inti,intj,intk):two(i),one(j){data=k;coutcontainer::~container(){coutvoidmain(){containeranObj(5,6,10);}[每空2分]["Constructorforobject6Constructorforobject5Const