charch;intk;ch='a';C．a,97,12k=12D．a,97,k=12inti=1,total=1;while(i<5){total+=i;}inti=1,total=0;while(i<=5){total+=i;}inti=0,total=0;while(i<5){i+=1;total+=i;}inti=0,total=0;while(i<=5){total+=i;}A項執(zhí)行過程為：i=1，total=1，判斷while循環(huán)條件1<5成立，total=1+1，i=1，total=0，1<=5成立，total=0+1=1，i=2；直到i=5，total=1+2+3+4+5，i=6；i=6條件不i=0，total=0，成立，i=1，total=1；過程：i=0，total=0，0<=5成立，total=0，i=1；直到i=5，total=1+2+3+4+5，#include<stdio.h>{inta=0,b=0;/*給a賦值a=10;}#include<stdio.h>{inta,b,c;if(a>b)a=b,b=c;c=a;}#include<stdio.h>{intx,y,z;}A．2,3,1B．2,3,2C．2,3,3D．2,2,1并沒有使整個循環(huán)終止；D項錯誤，continue和break的效果完全不同。答案選#include<stdio.h>{inta=1,b=0;if(--a)b++;elseif(a==0)b+=2;}B．(3!=4)>2#include<stdio.h>{inti;for(i=0;i<5;i++)putchar('9'-i);}C．'9''8''7''6''5'D．'43210'#include<stdio.h>voidfun(char*s){while(*s){}}{fun(a);}執(zhí)行fun(a)時，#include<stdio.h>{while(getchar()!='');}#include<stdio.h>voidfun(int*p,int*q){intm=1,n=2,*r=&m;f(r,&n);}voidf(int*p,int*q){}voidfun(int*w,intn){inti;for(i=0;i<n;i++){}}A．if(i/8==0)B．if(i/8==0)continue;D．if(i%8==0)continue;if(i%8==0)chars2[]={'0','1','2','3'};#include<stdio.h>#include<string.h>{strcpy(a+1,b+2);puts(strcat(a,c+1));}#include<stdio.h>voidfunc(intn){inti;}{func(3);func(4);}A．****#????***#B．***#????*****#C．**#????*****#D．****#????*****##include<stdio.h>intb=2;intfun(int*k){return(b);}{inta[10]={1,2,3,4,5,6,7,8},i;for(i=2;i<4;i++){b=fun(&a[i])+b;}}i=2，a[i]=3，所以fun(&a[i])=3+2=5，然后fun(&a[i])，代入a[i]=4，所以b=fun(&a[i])+b=14+14=28。答案選擇C選項。C．#include<stdio.h>必須放在C程序的開頭#include<stdio.h>{chara,b,c,d;c=getchar();d=getchar();}A．auto和registerB．extern和registerC．auto和staticD．static和register#include<stdio.h>voidfun(intx){if(x/2>1)fun(x/2);}{fun(7);}fun(x/2)。第一次循環(huán)x/2=3，調用fun(3)，x/2=1，跳出if循環(huán)，執(zhí)行輸出A．typedefstruct{intn;charc;}REC;RECt1,t2;B．structREC;{intn;charc;};RECt1,t2;C．typedefstructREC:{intn=0;charc='A';}t1,t2;RECt1,t2;D．struct{intn;charc;}REC;"struct/**********code.c**********/#include<stdio.h>#include<stdlib.h>/**********found**********/doublefun(①______,intn){inti,j;doubles=0.0;doublef=0.0;doubleaver=0.0;doublesd=0.0;for(i=0;i<n;i++)for(j=0;j<n;j++)s+=a[i][j];/**********found**********/for(i=0;i<n;i++)for(j=0;j<n;j++)f+=(a[i][j]-aver)*(a[i][j]-aver);f/=(n*n);/**********found**********/returnsd;}{inta[N][N];intn;inti,j;doubles;thedimensionofarrayfor(i=0;i<n;i++){for(j=0;j<n;j++){a[i][j]=rand()%50;while(a[i][j]==0)a[i][j]=rand()%60;}}s=fun(a,n);}①inta[][N]②s/(n*n)③sqrt(f)的長度，所以此處應填inta[][N]。/**********code.c**********/#include<stdio.h>voidfun(intn,int*a){inti,j,p,t;for(j=0;j<n-1;j++){p=j;/**********found**********/for(i=j+1;i<n-1;i++)if(a[p]>a[i])/**********found**********/t=i;if(p!=j){t=a[j];a[j]=a[p];a[p]=t;}}}voidputarr(intn,int*z){inti;for(i=1;i<=n;i++,z++){if(!(i%10))}}{intaa[20]={9,3,0,4,1,2,5,6,8,10,7},n=11;putarr(n,aa);fun(n,aa);putarr(n,aa);}/**********-code.c**********/（1）錯誤：for(i=j+1;i<n-1;i++)正確：for(i=j+1;i<n;i++)直到第n個元素。"for(i=j+1;i<n-1;i++)""for(i=j+1;i<n;i++)"/**********code.c**********/#include<std