2009年9月全国计算机等级考试二级C语言笔试题目及答案.doc

20099C901001102140211201701AB) C) D2A) B) C) D) 3ABCD4ABCD5A) B) C) D) 6A) D) C) D) 7A) N-SB) PADC) D) E-R8AE) F) G) 9E-RA) B) C) D) 10RSTTRSA) B) ? C) D) 11?A?B?C?D12AvoidB8_8C_0_Dunsigned13?#include?main()? int case; float printF;? printf(2);? scanf(%d %f,&case,&pjrintF);? printf(%d %fn,case,printF);?Acase?BprintF?Cscanf?Dprintfcase14(int)(double)9/2)-(9)%2?A0?B3?C4?D515int x=10;x-=x+x?A-20?B-10?C0?D1016?#include?main()? int a=1,b=0;? printf(%d,b=a+b);? printf(%dn,a=2*b);?A0,0?B1,0?C3,2?D1,217int a=1,b=2,c=3;?Aif(ab) c=a,a=b,b=c;?Bif(ab) c=a,a=b,b=c;?Cif(ab) c=a;a=b;b=c;?Dif(ab) c=a;a=b;b=c;18?#include?main()? int c=0,k;? for (k=1;kb?(bc?1:0):0?Aif(ab)&(bc) k=1;else k=0;?Bif(ab)|(bc) k=1;else k=0;?Cif(a=b) k=0;else if(bb) k=1;else if(bc) k=1;?else k=0;20?#include?main()? char s=012xy;int i,n=0;? for(i=0;si!=0;i+)if(si=a&si2);? printf(%d %dn,k,n);?A0 2?B1 3?C5 7?D1 222?Achar a=a;?Bchar a=n;?Cchar a=aa;?Dchar a=x2d;23#includemain() char c1,c2;? c1=A+8-4;? c2=A+8-5;? printf(%c,%dn,c1,c2);AASCII65?AE,68?BD,69?CE,D?D24?#include?void fun(int p)? int d=2;? p=d+; printf(%d,p);?main()? int a=1;? fun(a); printf(%dn,a);?A32?B12?C21?D2225findmax#define MIN -2147483647?int findmax (int x,int n)? int i,max;? for(i=0;iN;I+)? max=MIN;?if(max? return max;?Aint i,max;max?Bmax=MIN;maxMIN?Cif(max?Dmax=MIN;26?#include?main()? int m=1,n=2,*p=&m,*q=&n,*r;? r=p;p=q;q=r;? printf(%d,%d,%d,%dn,m,n,*p,*q);?A1,2,1,2?B1,2,2,1?C2,1,2,1?D2,1,1,227int a410,*p,*q4;0i4?Ap=a?Bqi=ai?Cp=ai?Dp=&a2128?#include?#include?main()? char str 20=One*World, One*Dream!,*p=str1;? printf(%d,strlen(p);printf(%sn,p);?A9,One*World?B9,One*Dream?C10,One*Dream?D10,One*World29?#include?main()? int a =2,3,5,4,i;? for(i=0;i4;i+)? switch(i%2)? case 0:switch(ai%2)? case 0:ai+;break;? case 1:ai-;? break;?case 1:ai=0;for(i=0;i1);A16B8C4D240CABCD23015231 1 2 2 3 3 4 4 5 5 6int a=5;a+ 6 7double x=17;int y;y=(int)(x/5)%2;y 7 8 8 #includemain() int x=20;? printf(%d,0X20);? printf(%dn,0X&X9 9 #includemain int a=1,b=7;? do ? b=b/2;a+=b;? while (b1);? printf(%dn,a);10#includemain() int f,f1,f2,i;? f1=0;f2=1;? printf(%d %d,f1,f2);? for(i=3;i=5;i+)? f=f1+f2; printf(%d,f);f1=f2; f2=f;? ? printf(n); 10 11#includeint a=5;void fun(int b) int a=10;? a+=b;printf(%d,a);main() int c=20;? fun(c);a+=c;printf(%dn,a); 11 12struct person int ID;char name12;p;scanf(%d, 12 );pID13#includemain() char a20=How are you?,b20;? scanf(%s,b);printf(%s %sn,a,b);How are you? 13 ?14#includetypedef struct int num;double sREC;void fun1( REC x )x.num=23;x.s=88.5;main() REC a=16,90.0 ;? fun1(a);? printf(%dn,a.num); 14 ?15#includefun(int x) if(x/20) run(x/2);? printf(%d ,x);main() fun(6);printf(n); 15 20099C 1C2B3D4A5B6A7C8B9C10D11D12C13A14