C语言编程新思路-知到答案、智慧树答案

C语言编程新思路-知到答案、智慧树答案第一章单元测试1()。:】2()。B:C::】3()。B::】4()。B:C::】5()。:】6()A:[]B:()C:<>:】7()。C::】8()。B::】9()>B:/*C:{}D:’’:/**/】1()。B:C::】1()。:】1()。B:C::】1()。B:C::】1()。“//”“/*”“*/”:“/*”“*/”】1()。A:.exeB:.vbpC:.cD:.obj:.c】1()。B:C::】1()。A:.objB:.exeC:.vbpD:.c:.obj】1()。A:.objB:.bakC:.exeD:.c:.exe】第二章单元测试1C:charpao_123:】2B:05812e?33.6'd'C:4.450765.33E1.5"how"D:?12.80x9843.56e2'\n':?12.80x9843.56e2'\n'】3aaB:areaC:/:】4B:%C:/:】5charch='\0x41';chB:3C:1ch:】6inta=7;floatx=2.5,y=4.5;A:0.000000B:5.500000C:6.000000D:2.500000:6.000000】7afi10+'a'+i*fA:floatB:C:doubleD:int:double】8B:aC::】9int码B:C::】1:】1码C:码:】1B:C:"China!":】1#includeintmain(){charch;inti;i=65;ch="a";printf("%c,%c,%d,%d\n",i,ch,i,ch);return0;B:a,A,97,65C:a,A,65,97D:A,a,65,97:】10.5A:b=1/(float)aB:b=1/(a*1.0)C:b=1.0/aD:b=(float)(1/a):b=(float)(1/a)】1#includeintmain(){inta=b=5,c;printf("c=%d\n",c);C::】1B:C::】1B:C::】1inti;A:iEB:C:D:i:i】1’\n’:】第三章单元测试1acint()。；；；；:】2()。A:{intiprintf("%d\n",i);}B:a=5,c=10C:;D:{;}:a=5,c=10】3()。#include"stdio.h"intmain(){intx=100,y=30;printf("%d\n",y=x/y);return(0);}B:C:0:】4intac()。A:scanf("%d%d%d",a,b,c);B:read(a,b,c);D:get("%d%d%d",a,b,c);:【】5#includeintmain(void){inti;floatx;doubley;y=x=i=10/4;return(0);}A:y=2.50,x=2.00,i=2B:y=2.00,x=2.00,i=2C:y=2.50,x=2.50,i=2D:y=2.00,x=2.50,i=2:y=2.00,x=2.00,i=2】6a()。A:t=b;b=a;a=t;B:a=a+b,b=a-b,a=a-b;C:a=t;t=b;b=a;D:t=a,a=b,b=t;:a=t;t=b;b=a;】7()。#includeintmain(void){inta=4,b=8;printf("a=%%d,b=%%d\n",a,b);/*return(0);}:】8()。#include"stdio.h"intmain(void){charch1,ch2;ch1='A'+'5'?'3';ch2='A'+'6'?'3';printf("%d,%c\n",ch1,ch2);return(0);}A:67,DB:C,DC:67,C:67,D】9c340.25()。A:scanf(%f”,&c)B:scanf(%.2f”,&c);C:scanf(%6.2f”,&c);D:scanf(%4f”,&c);:scanf(%f”,&c)】1:25<()。#includeintmain(void){charch1,ch2;intn1;ch1=getchar();ch2=getchar();printf("%d",n1);return(0);}B:3C:-3:】1#includeintmain(void){charc1,c2,c3,c4,c5,c6;c5=getchar();c6=getchar();putchar(c1);putchar(c2);printf("%c%c\n",c5,c6);return(0);}()>def<()。B:abcd:abde】1#includeintmain(void){charc1='a',c2='c';printf("%d,%c\n",c2-c1,c2-c1+'B');return(0);}B:2,DC:2,bD:3,B:2,D】1floata10.020.0c30.0()。A:10,20,30C:10.020.030.0:10,20,30】1#includeintmain(void){inta,b;printf("a=%d\nb=%d\n",a,b);return(0);}D:10,20:】1a2.0c14.0()。B:2.0#4.0‘C:2.0#4.0，D:2.0#4.0’:2.0#4.0’】1()。floatx=5;。B:longintscanf:floatx=5;】1()。B:C::】1()#include//1intmain(void){inti;//2scanf("%d",i);//3printf("i=%d\n",i);//4return(0);}B:4C:2:】1inta=10,b;()。A:b=a-8C:b=a/4D:b=a/4.0:b=a/4.0】2putchar()()。B:C::】第四章单元测试1c()。:】2()。A:2,2B:0,2C:2.0D:0,0:0,2】3,()。B:=C:%:】4intx,a,b;if()A:if(a<>b)B:if(a-b)x=x+1;C:if(a=b)x=x+1;D:if(x)x=x+1;:if(a<>b)x=x+1;】5()“”A:(x/2*2-x)==0:】6()。#includeintmain(void){intx=0,y=0,z=0;if(x=y+z)printf("***");elseprintf("###");return(0);}B:C::】7()。#includeintmain(void){floatx=4,y=1;if(x<0)elseif(x<10)y=1/x;elseprintf("%f\n",y);return(0);}A:10.000000B:0.000000C:1.000000D:0.250000:0.250000】8()。#includeintmain(void){inta,b,s;s=a;if(a选:】9()。#includeintmain(void){intx=1,a=0,b=0;switch(x){case0:b=b+1;case1:a=a+1;case2:a=a+1;b=b+1;}printf("a=%d,b=%d\n",a,b);return(0);}B:a=2,b=1C:a=2,b=2:a=2,b=1】1inta=3,b=2,c=1;1()。B:C::】1a=1,b=3,c=5,d=4()if(aB:1C:3:】1()。A:if(a!=0)S1;elseS2;if(a)S1;elseS2;C:if(a==0)S2;elseS1;D:if(a==0)S1;elseS2;:if(a==0)S1;elseS2;】1inta=3,b;()if(a>0)b=1;elseb=-1;b=b+1;B:0C:-1:】1()a=b=0;x=35;if(!a)x=x-1;if(b)x=3;elsex=4;B:4:】1inti=4,j=5,k=6;floatf;f=(i>k)?i:(jA:4.0B:5.0C:7.0D:6.0:5.0】1()#includeintmain(void){inta=0,b=0,c=0;if((a+1)>0||(b>0))printf("%d,%d,%d",a,b,c);return(0);}A:0,0,0B:1,1,1C:1,0,1D:0,0,1:0,0,1】1()if(x=0)printf("***");elseprintf("&&&");:】1inta=10,b=20,c=30;ac()if(a>b)c=a;a=b;b=c;2、12、31、221、:【23、】1{()#includeintmain(void){intk=8;switch(k)case7:k+=1;case8:k+=1;case9:k+=1;break;default:k+=1;}printf("%d\n",k);return(0);}C:9:】2floatx;inta,b;switch()switch(x){casex=1.0:printf(“Y”);casex=2.0:printf(“N”);}switch(a){casea=1:printf(“Y”);casea=2:printf(“N”);}switch(b){caseb==1:printf(“Y”);caseb==2:printf(“N”);}switch(x)case1.0:printf(“Y”);case2.0:printf(“N”);}{B:2C:3:】第五章单元测试1while()。intk=0;while(k=1)k++;B:C::】2()。do-whileB:do-whilewhileC:do-whilewhilewhile()do-while:do-while】3for()。forbreakB:forC:forD:for:for】4()。#includeintmain(){inta=1,b=2,c=2,t;while(aA:2,1,0B:1,2,0C:2,1,1D:1,2,1:1,2,0】5i,jint,()。for(i=5;i;i--)for(j=0;j<4;j++){...}:】6()。#includeintmain(){inti,j;for(i=0,j=10;i:】7switchbreak()。switchbreakB:breakswitchC:switchbreakD:breakfor:switchbreak】8()。A:for(;(c=getchar())!=’\n’;)printf(“%c”,c);B:while(1){x++;}C:for）D:for(i=10;;i--):for(;(c=getchar())!=’\n’;)printf(“%c”,c);】9while(!x)()。A:while(x!=1)B:while）C:while(x!=0)D:while(~x):while】1while(x)()。C:x!=1:x!=0】1()#includeintmain(){inta,max=0;scanf("%d",&a);while(){if(maxB:!a:a】1{()#includeintmain()intm=0,n=0;charc;while(()!='\n'){if(c>='A'&&c<='Z')if(c>='a'&&c<='z')}printf("m=%d,n=%d\n",m,n);}A:c==getchar()B:getchar()C:scanf("%c",&c)D:c=getchar():c=getchar()】1()。#includeintmain(){intk=0,m=0,i,j;for(i=0;i<2;i++){for(j=0;j<3;j++);k-=j;}m=i+j;;}:】1()。#includeintmain(){charc='A';intk=0;{switch(c++){case'A':k++;break;case'B':k--;case'C':k+=2;break;case'D':k%=2;continue;case'E':k*=10;break;default:k/=3;}}while(c<'G');printf("k=%d",k);}:】1()。#includeintmain(){inti;for(i=1;i<=5;i++){if(i%2)printf(“*”);elsecontinue;printf(“#”);}printf(“$\n”);}:】1()。intx=3;do{printf("%d\n",x-=2);}while(!(--x));B:0C:1-2:-2】1()。while(x<15)A:20,7B:6,12C:8,20D:20,8:20,8】1,,():#indudeintmain(){inta,b,t;while(】){if(a>b){t=a;a=b;b=t;}printf("%d,%d",a,b);人}B:a!=bC:!a=b:a!=b】1for(1;;3)()。A:for(1;1;B:for(1;1;C:for(1;3;D:for(1;0;:for(1;1;3)】2i,()for(i=2;i==0;)printf("%d",i--);次次次:】第六章单元测试1B:C::】2intmain(){inta[5]={1,2,3};printf(“%d\n”,a[3]);}B:1C::】3intmain(){inti,k,a[10]={1,5,3,4,2,8,9,6,7,0};for(i=0,k=0;i<10;i++)if(a[k]B:5C:7:】4[intmain(){inti,j,s=0,a[2][3]={1,2,3,4,5,6};for(i=0;i<2;i++)for(j=0;j<3;j++)s=s+a[i]j];printf(“%d”,s);}:】5intmain(){intaa[4][4]={{1,2,3,4},{5,6,7,8},{3,9,10,2},{4,2,9,6}};inti,s=0；for(i=0;i<4;i++)s+=aa[i][1];printf(“%d”,s);}:】6inta[3][2]={1,3,4,6,8,10}()。A:a[2][2]B:a[1][1]C:a[3][2]D:a[2][1]:a[1][1]】7a():】8a()。A:inta[][3]={{1,2},{0}};B:inta[2][3]={0};C:inta[2][3]={{1,2},{3,4},{5,6}};D:inta[][3]={1,2,3,4,5,6};:inta[2][3]={{1,2},{3,4},{5,6}};】9inta[3][5];a()。A:a[1][4]B:a[1][2]C:a[0][4]D:a[0][3]:a[1][2]】1inta[10];a()。A:a(10)B:a[10.0]C:a[1+2]D:a[10]:a[1+2]】1aA:inta[10]=(0,0,0,0,0)B:inta[10]=10*1;C:inta[]={0};D:inta[10]={}:inta[]={0};】1aA:doublea[1][4];B:floatfa(3,4);C:floata(3)(4);D:inta[3][];:doublea[1][4];】1:inta[3][4]={0};()。a0B:a。C:a[0][0]0:a0】1:ints[3][4]={{1,2},{0},{3,4,5}};s[2][1]()。B:1C:0:】1inta[2][3];()。A:a[0][1/2]B:a[2][3]C:a[1][3]D:a[1][2]:a[1][2]】1()。A:inta[][2]={1,2,3,4};B:inta[2][]={1,2,3,4,5};C:inta[2][2]={{1,2},{3}}D:inta[][2]={{0},{1}};:inta[2][]={1,2,3,4,5};】1()inta[3][3]={3,2,1,3,2,1,3,2,1};intj,k,p=1;for(j=0;j<2;j++)for(k=j;k<3;k++)p*=a[j][k];B:2:】1()inta[3][3]={3,2,1,3,2,1,3,2,1};intj,k,p=1;for(j=0;j<2;j++)for(k=j;k<4;k++)p*=a[j][k];B:2:】1s()inta[3][3]={1,2,3,4,5,1,2,3,4};inti,j,s=1;for(i=0;i<3;i++)for(j=i+1;j<3;j++)s+=a[i][j];B:7C:6:】2()intm[]={5,8,7,6,9,2},i=1;for(i=0;i<6;i++){if(i%2!=0)}for(i=0;i<6;i++)printf("%d",m[i]);:】第七章单元测试1B:C:值:】2B:C::】3:】4,:】5,++(*P):】6aaa:】7:intb,*pb;:】8inta[10],*p=a;a[3]C:*(a+3)D:p[3]:】9inta[10]={10,20,30,40,50,60,70,80,90,100},*p=a;:】1int*p,i;i=100;p=&i;i=*p+10;:】1#includeintmain(){inta[]={2,4,6,8,10},y=0,i,*p;for(i=0;i<3;i++)y+=*(p+i);printf("%d\n",y);}:】1*#includeintmain(){inta=1,b=2,c=3,*p1,*p2,*p3;printf("a=%d,b=%d,c=%d\n",a,b,c);}A:a=2,b=1,c=1B:a=3,b=2,c=1C:a=1,b=2,c=3D:a=2,b=1,c=3:a=2,b=1,c=3】1#includeintmain(){intk=2,m=4,n=6;printf("%d\n",n);return0;}C:6:8】1#includeintmain(){int**k,*a,b=100;printf("%d\n",**k);return0;}C:a:】1B:+C:<:+】1a[1][2]A:*(*(p+1)+2)B:*(p+1)+2C:p[1]+2D:(p+1)[2]:*(*(p+1)+2)】1int*p[5];intB:intint:int】1inta[10],*p=a;a:】1#includeintmain(){inta[5]={1,2,3,4,5},*p,**pp;printf("%d",*(p+3));printf("%d",**pp);return0;}:】2inta[10],*p;A:for(p=a;pB:for(p=a;aC:for(p=a;pD:for(p=a;p:for(p=a;p】第八章单元测试1B:0C::】2intmain(){inti,j;chara[]={‘a’,‘b’,‘c’,‘d’,‘e’,‘f’,‘g’,‘h’,‘\0’};i=sizeof(a);//sizeofaj=strlen(a);printf(“%d,%d\n”,i,j);}8989:】3()。A:charstr[]{'s','t','r','i','n','g','\0'};B:charstr[7]{'s','t','r','i','n','g'};C:charstr1[10];str1"string";D:charstr1[]"string",str2[]:charstr1[10];str1"string";】4,()chars[3][5]{"aaaa","bbbb","cccc"};A:chars4[][4]{"aaaa","bbbb","cccc"};B:chars3[][5]{"aaaa","bbbb","cccc"};C:chars1[][]{"aaaa","bbbb","cccc"};D:chars2[3][]{"aaaa","bbbb","cccc"};:chars3[][5]{"aaaa","bbbb","cccc"};】5{#include"stdio.h"#include"string.h"intmain(){inti,j;chart[10],p[5][10]="abc","aabdfg","abbd","dcdbe","cd"};for(i=0;i<4;i++)for(j=i+1;j<5;j++)if(strcmp(p[i],p[j])>0){strcpy(t,p[i]);strcpy(p[i],p[j]);strcpy(p[j],t);}printf("%d\n",strlen(p[0]));}()。B:4C:6:】6A:chars[8];s={"China"};B:char*s;s={"China"};C:chars[8];s="China";D:char*s;s="China";:char*s;s="China";】7charc[6]={'a','b','\0','c','d','\0'};printf("%s",c);B:abcC:abcdD:'a''b':ab】8aA:gets(a,b);B:scanf("%s%s",&a,&b);C:gets("a");gets("b");D:scanf("%s%s",a,b);:scanf("%s%s",a,b);】9chara[7]="abcdef";strcpy(a,b);printf("%c",a[5]);B:cC::f】1#includeintmain(){charstr[]="Ilikeswimming!",*p=str;p=p+7;printf("%s",p);}B:Ilikeswimming!:】1"hello"strA:charstr[30]str="hello";C:charstr[30],*ps=str;strcpy(ps,"hello");D:charstr[]="hello";:charstr[30]str="hello";】1'C'charstr[]="ABCDEFG",*p=str;B:*(str+2)C:str[2]:】1charc[]="abcdefg";printf("%s",c+4);A:abcdefgB:defgC:abcdD:efg:efg】1achara[20],*p=a;A:gets(p)B:gets(a[0])C:gets(&a[0])D:gets(a):gets(a[0])】1chars[]="well";chart[]={'w','e','l','l'};stB:C:chara[30],b[]="China";a=b;a。strcpy(str1,str2);str2str1:strcpy(str1,str2);str2str1】1A:getchar()B:gets()C:printf()D:scanf():gets()】1B:C::】1charstr[20]="door",t;inti,j;i=0;j=strlen(str)-1;t=str[i];str[i]=str[j];str[j]=t;puts(str);B:roodC:roor:rood】1chara[30],b[30]A:gets(a);gets(b);B:gets(a,b);D:scanf("%s",a,b);:gets(a);gets(b);】2chars[20]="Good",t[]="Moring!";strcat(s,t);puts(s);:】第九章单元测试1c()。B:C:?:】2…()?#includeint?main(void)????{??int?G=5,k;?void??prt_char();?k=prt_char(G);???return0;B:C:void?prt_char();void:】3()。A:intf(intx,inty)B:intf(intx;inty)C:intf(intx,y)D:intf(x,y:int):intf(intx,inty)】4()。A:void?play(int?a,b)B:void?play(int?a,int?b):void?play(int?a,int?b)】5()。B:C::】6()。B:C::】7#includevoidfun(inta,intb,intc)intmain(void){intx=10,y=20,z=30;return0;}()。:】8()。B:C::】9()B:returnC::】1()。fun(inta,intb,intc){c=a+b;}intmain(void){intc;fun(2,3,c);printf(“%d\n”,c);return0;}B:C:3:】1#includeintfun(intx){printf(“x=%d\n”,++x);}intmain(){fun(12+5);return0;}()。:】1#includeinti=1;intmain(){inti=i;printf("%d\n",i);return0;()。B:0C:1:】1#includeintf(intx){returnx+3;}intmain(void){inta=1;while(f(a)<10)return}a的()。B:9:】1()。B:C::】1void()。B:C::】1()。B:C::】1#includefun(inta){autointb=0;staticintc=3;return(a+b+c);}intmain(void){inta=2,i;for(i=0;i<3;i++)printf(“%d“,fun(a));return}()。:】1#includevoidfun(intx,inty){intt;if(x>y){t=x;x=y;y=t;}}intmain(void){inta=4,b=7,c=5;fun(a,b);fun(a,c);fun(b,c);printf(“%d,%d,%d\n”,a,b,c);return0;}()。A:7,5,4B:7,4,5C:4,5,7D:4,7,5:4,7,5】1#includef(inta){intb=0;staticintc=3;return(a);}intmain(void){inta=2,i,k;for(i=0;i<2;i++)k=f(a++);printf(“%d\n”,k);return}()。B:6C:3:】2()。A:autoB:registerC:externD:static:auto】第十章单元测试1B:C::】2B:C::】3:】4#include{*z=y-x;}intmain(){inta,b,c;sub(10,5,&a);sub(7,a,&b);sub(a,b,&c);printf("%d,%d,%d\n",a,b,c);return0;}A:-5,-12,7B:5,2,3C:5,-2,-7D:-5,-12,-7:-5,-12,-7】5#includevoidprtv(int*x){printf("%d\n",++*x);}intmain(){inta=25;prtv(&a);return0;}:】6{#includevoidfun(int*a,int*b){intw;*a=*a+*a;w=*a;*a=*b;*b=w;}intmain()intx=2,y=3,*px=&x,*py=&y;;fun(px,py);printf("%d,%d\n",x,y);return0;}A:3,2B:4,3C:2,3D:3,4:3,4】7#includevoidswap(int*p1,int*p2){intt;t=*p1;*p1=*p2;*p2=t;return;}intmain()inta,b,c;scanf("%d%d%d",&a,&b,&c);if(a>b)swap(&a,&b);if(a>c)swap(&a,&c);if(b>c)swap(&b,&c);printf("%d,%d,%d\n",a,b,c);return0;}{A:5,10,3B:3,5,10C:3,10,5D:10,5,3:3,5,10】8#includeintfac(intn){staticintk=1;returnk;}intmain(){intm,i,f;for(i=1;i<=m;i++){f=fac(i);printf("%d",f);}}B:5:】9{#includeintfun(inta){intb;if(a==0||a==1)return3;b=a*a-fun(a-2);returnb;}intmain()intx,y;x=fun(3);y=fun(4);printf("%d,%d\n",x,y);return0;}A:6,15B:6,16C:3,4D:9,16:6,15】1[#includeintfun(int(*p)[3]){inti,j,n;n=p[0][0];for(i=0;i<2;i++)for(j=0;j<3;j++)if(p[i]:】1{inta,b,c,d;a=4;b=3;fun(a,b,&c,&d);printf("%d,%d\n",c,d);return0;}A:4,3B:7,1C:1,7D:3,4:7,1】1#includevoidop(int(*p)[3]){inti,j;for(i=0;i<3;i++)for(j=0;j<3;j++)if(p[i][j]%3==0)printf("%d",p[i][j]);}intmain(){ints[3][3]={1,2,3,4,5,6,7,8,9};op(s);return}:】11#includeintfun(intn){if(n==1)return1;elsereturnn+fun(n-);}intmain(){intm;scanf("%d",&m);m=fun(m);printf("%d\n",m);}C:5:】1{#includevoidfun(chars[])inti,j;for(i=0,j=0;s[i]!='\0';i++)if(s[i]>='0'&&s[i]<='9')s[j++]=s[i];s[j]='\0';}intmain(){charstr[80];gets(str);fun(str);puts(str);return0;}:】1#includevoidf(int*q,intn){inti;for(i=0;iA:2,3,4,5,6,B:6,2,3,4,5,C:1,2,3,4,5,D:2,2,3,4,5,:6,2,3,4,5,】1B:C::】1#includeint*fun(int*s,int*t){if(*s<*t)s=t;returns;}intmain(void){intr=fun(p,q);printf("%d,%d,%d\n",*p,*q,*r);returnA:6,6,3B:3,3,6C:6,3,3D:3,6,6:3,6,6】1#includeintfun(intx){if(x>10){printf("%d-",x%10);fun(x/10);}elseprintf("%d",x);return;}intmain(void){intz=123456;fun(z);return0;A:6-5-4-3-2-1-B:6-5-4-3-2-1C:1-2-3-4-5-6-D:1-2-3-4-5-6:6-5-4-3-2-1】第十一章单元测试1()。B:C::】2#definePI3.1415926PI()。B:C::】3()。B:C::】4()。B:#definePOWER(x)((x)*(x)):#definePOWER(x)((x)*(x))】5“”#include””()。B:C::】6#include"stdio.h"intmain(void){intm=1,n=2,k=3;printf("sum=%d",sum);return0;}()。:】7#defineX5printf()。printf("%d",Z);printf("%d",--a);:】8()#defineMAX(A,B)(A)>(B)?(A):(B)#definePRINT(Y)printf(“Y=%d”,Y)#include“stdio.h”intmain(void){inta=1,b=2,c=3,d=4,t;t=MAXa+b,c+dPRINT(t);return0;}B::】9{()#include#defineMUL(x,y)(x)*y#include“stdio.h”intmain(void)inta=3,b=4,c;c=MUL(a++,b++);printf("%d",c);return0;}:】1f()。A:#definef(x)4*x*x+3*x+2B:#definef(a)(4*(a)*(a)+3*(a)+2)C:#define(4*a*a+3*a+2)f(a)D:#definef4*x*x+3*x+2:#definef(a)(4*(a)*(a)+3*(a)+2)】第十二章单元测试1B:C::】2sage#includestructstudent{intage;intnum;}s,*p;A:s->ageB:student.s.ageC:p->ageD:student.age:p->age】3structdate{inty;intm;intd;};structperson{charname[20];charsex;structdatebirthday;}a;aA:a.y=1958:】4structstu{inta;floatb;}stutype;B:structstuC:structD:stutype:structstu】5A:struct{intn;charc;B:structREC;{intn;charc;};C:typedefstructREC;}x,y;D:typedefstruct{intn;charc;}REC;:typedefstruct{intn;charc;}REC;】6structst{intn;inta[20];voidf(int*a,intn){inti;for(i=0;iC:2,3,1,6,8,7,5,4,10,9,D:1,2,3,6,8,7,5,4,10,9,:】7typedeftypedef,B:typedefC:typedef,typedef:typedef】8#include#includetypedefstruct{charname[9];charsex;floatscore[2];}stu;stuf(stua){stub={“zhao”,’m’,85.0,90.0};inti;strcpy(,);a.sex=b.sex;for(i=0;i<2;i++)a.score[i]=b.score[i];returna;}intmain(){stuc={"qian",'f',95.0,92.0},d;d=f(c);printf(“%s,%c,%2.0f,%2.0f\n”,,d.sex,d.score[0],d.score[1]);}A:qian,m,85,90B:zhao,f,95,92C:qian,f,95,92D:zhao,m,85,90:zhao,m,85,90】9#includestructS{intn;inta[20];};voidf(structS*p){inti,j,t;for(i=0;in-1;i++)for(j=i+1;jn;j++)if(p->a[i]>p->a[j]){t=p->a[i];p->a[i]=p->a[j];p->a[j]=t;}}intmain(){inti;structSs={10,{2,3,1,6,8,7,5,4,10,9}};f(&s);for(i=0;iA:1,2,3,4,5,6,7,8,9,10,B:10,9,8,7,6,5,4,3,2,1,C:10,9,8,7,6,1,2,3,4,5,D:2,3,1,6,8,7,5,4,10,9,:1,2,3,4,5,6,7,8,9,10,】1typedefstructnode{intdata;structnode*next;}NODE；structnodestructnodestructnode:structnode】1{structperson{charname[9];intage;};structpersonclass[10]=A:printf("%c\n",class[3].name[1]);B:printf("%c\n",class[2].name[1]);C:printf("%c\n",class[3].name);D:printf("%c\n",class[2].name[0]);:printf("%c\n",class[2].name[0]);】1union{intn;charstr[2];}t;t.n=80;t.str[0]='a';t.str[1]=0;printf("%d\n",t.n);B:0:】1B:C::】1{,structstudent{intage;intnum;structstudentstu[3]={1001,20},{1002,19},{1003,21}};structstudent*p;p=stu;A:(p++)->numB:(*p).numC:p=&stu.age:p=&stu.age】1}scanf,structpupil{charname[20];intage;intsex;pup[5],*p;A:scanf(“%d“,&sex);B:scanf(“%d“,P->age);C:scanf(“%d“,&pup[0].age);D:scanf(“%s“,pup[0].name);:scanf(“%d“,&sex);】1B:C::】1uniondata{inti;charc;floatf;fC::】1teach1,A:stru