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if(x!=0) if(x>0) y=1; if(x>0) y=1; else y=0; else y=0; else y=-1; C) y=0; D) y=-1;

if (x>=0) if (x>0) y=1; if (x>0) y=1; else y=0; else y=-1;

59¡¢ÓÐÈçϳÌÐò #include void main( )

{ float x=5.0,y; if(x<0.0) y=0.0;

else if (x<10.0) y=1.0/x; else y=1.0;

printf(\ }

¸Ã³ÌÐòµÄÊä³ö½á¹ûÊÇ____C_____. A) 0.000000 B) 0.50000 C) 0.200000 D) 1.000000

60¡¢ÒÔϳÌÐòµÄÖ´Ðнá¹ûÊÇ___B_____. #include void main( ) { int x=1,y=0; switch (x) {

case 1:

switch (y) {

case 0:printf(\ case 1:printf(\ }

case 2:printf(\ } }

A) first B) first second third C) first D) second third

61¡¢ÒÔϳÌÐòµÄÖ´Ðнá¹ûÊÇ____A____. #include void main( ) { int a,b,c,d,x; a=c=0; b=1; d=20;

.

if (a) d=d-10; else if(!b)

if (!c) x=15; else x=25; printf(\ }

A) d=20 B) d=10 C) d=15 D) 25

62¡¢ÓÐÈçϳÌÐò: #include void main( )

{ int a=2,b=-1,c=2; if (a

if (b<0) c=0; else c++;

printf(\ }

¸Ã³ÌÐòµÄÊä³ö½á¹ûÊÇ___C_____.

A) 0 B) 1 C) 2 D) 3

63¡¢ÏÂÁгÌÐòÖ´ÐкóµÄÊä³ö½á¹ûÊÇ____B____. #include void main( ) { int x,y=1,z;

if ((z=y)<0) x=4; else if (y==0) x=5; else x=6;

printf(\ }

A) 4,1 B) 6,1 C) 5,0 D) ³ö´íÐÅÏ¢

64¡¢ÓÐÈçϳÌÐò #include void main( )

{ int x=1,a=0,b=0; switch(x) {

case 0: b++; case 1: a++; case 2: a++;b++; }

printf(\ }

¸Ã³ÌÐòµÄÊä³ö½á¹ûÊÇ______A____.

A) a=2,b=1 B) a=1,b=1 C) a=1,b=0 D) a=2,b=2

65¡¢ÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ____C_____. #include

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void main( )

{ int a=-1,b=1,k;

if ((++a<0) && (b--<=0)) printf(\ else

printf(\ }

A) -1 1 B) 0 1 C) 1 0 D) 0 0

66¡¢¼Ù¶¨w¡¢x¡¢y¡¢z¡¢m¾ùΪintÐͱäÁ¿£¬ÓÐÈçϳÌÐò¶Î£º

w=1;x=2;y=3;z=4;

m=(w

A) 4 B) 3 C) 2 D) 1

67¡¢ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ___D______. main( ) { int a=100;

if (a>100) printf(\ else printf(\ }

A) a<=100 B) 100 C) 0 D) 1

68¡¢ÈôÖ´ÐÐÏÂÃæµÄ³ÌÐò´Ó¼üÅÌÉÏÊäÈë9,ÔòÊä³ö½á¹ûÊÇ.______B________ #include void main( ) {int n;

scanf(\

if (n++<10) printf(\ else printf(\

A) 11 B) 10 C) 9 D) 8

69¡¢ÒÔϳÌÐòÊä³ö½á¹ûÊÇ_____D_____. #include void main( ) { int m=4;

if (++m>5) printf(\ else printf(\ }

A) 7 B) 6 C) 5 D) 4

70¡¢ÈôÖ´ÐÐÏÂÃæµÄ³ÌÐò´Ó¼üÅÌÉÏÊäÈë5,ÔòÊä³ö½á¹ûÊÇ. #include void main( ) {int x;

scanf(\

if (x++>5) printf(\

.

else printf(\ }

A) 7 B) 6 C) 5 D) 4

71¡¢ÒÔϳÌÐò¶ÎÔËÐнá¹ûÊÇ____A____. int x=1,y=1,z=-1; x+=y+=z;

printf(\

A) 1 B) 2 C) 4 D) ²»È·¶¨µÄÖµ 72¡¢ÓÐÒÔϳÌÐò #include void main( ) { int a,b,c=246; a=c/100%9; b=(-1)&&(-1);

printf(\ }

Êä³ö½á¹ûÊÇ____A____.

A) 2,1 B) 3,2 C) 4,3 D) 2,-1

73¡¢ÔËÐÐÏÂÃæ³ÌÐòʱ£¬Èô´Ó¼üÅÌÊäÈëÊý¾ÝΪ\£¬ ÔòÊä³ö½á¹ûÊÇ___C____. #include \ void main()

{ int num,i,j,k,place; scanf(\ if (num>99) place=3; else if(num>9)

place=2; else

place=1; i=num/100;

j=(num-i*100)/10; k=(num-i*100-j*10); switch (place)

{ case 3: printf(\ break;

case 2: printf(\ break;

case 1: printf(\ } }

A) 123 B) 1,2,3 C) 321 D) 3,2,1

74¡¢Ö´ÐÐÏÂÁгÌÐòºóµÄÊä³ö½á¹ûÊÇ___D____. #include void main( )

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{ int k=4,a=3,b=2,c=1;

printf(\ }

A) 4 B) 3 C) 2 D) 1

75¡¢ÒÔÏÂÌõ¼þ±í´ïʽÖÐÄÜÍêÈ«µÈ¼ÛÓÚÌõ¼þ±í´ïʽxµÄÊÇ____B___.

A) (x==0) B) (x!=0) C) (x==1) D) (x!=1)

76¡¢ÈôÔËÐÐÏÂÃæ³ÌÐòʱ,¸ø±äÁ¿aÊäÈë15,ÔòÊä³ö½á¹ûÊÇ___A___.

#include void main( ) { int a,b;

scanf(\ b=a>15?a+10:a-10; printf(\ }

A) 5 B) 25 C) 15 D) 10

77¡¢ÔËÐÐÏÂÃæ³ÌÐòºó,Êä³öÊÇ___D___.

#include void main( ) { int k=-3;

if (k<=0) printf(\ else printf(\ }

A) #### B) ****

C) ####****

D) ÓÐÓï·¨´íÎó²»ÄÜͨ¹ý±àÒë

78¡¢Ö´ÐÐÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ____C____.

#include void main( )

{ int a=5,b=0,c=0;

if (a=a+b) printf(\ else printf(\ }

A) ÓÐÓï·¨´íÎó²»ÄܱàÒë B) ÄÜͨ¹ý±àÒ룬µ«²»ÄÜͨ¹ýÁ¬½Ó C) Êä³ö **** D) Êä³ö ####

79¡¢ÎªÁ˱ÜÃâǶÌ×µÄif-elseÓï¾äµÄ¶þÒåÐÔ£¬CÓïÑԹ涨else×ÜÊÇÓë___C___×é³ÉÅä¶Ô¹Øϵ. A) ËõÅÅλÖÃÏàͬµÄif B) ÔÚÆä֮ǰδÅä¶ÔµÄif

.

C) ÔÚÆä֮ǰÉÐδÅä¶ÔµÄ×î½üµÄif D) ͬһÐÐÉϵÄif

80¡¢Éèx ¡¢y ¡¢z ¡¢t¾ùΪintÐͱäÁ¿,ÔòÖ´ÐÐÒÔÏÂÓï¾äºó,tµÄֵΪ____C_____.

x=y=z=1;

t=++x || ++y && ++z;

A) ²»¶¨Öµ B) 4 C) 1 D) 0

81¡¢ÒÔϳÌÐò¶Î____C______.

x=-1; do {

x=x*x; } while (!x);

A)ÊÇËÀÑ­»· B)Ñ­»·Ö´ÐÐÁ½´Î C)Ñ­»·Ö´ÐÐÒ»´Î D)ÓÐÓï·¨´íÎó

82¡¢¶ÔÏÂÃæ³ÌÐò¶ÎÃèÊöÕýÈ·µÄÊÇ___B____.

int x=0,s=0;

while (!x!=0) s+=++x; printf(\A) ÔËÐгÌÐò¶ÎºóÊä³ö0 B) ÔËÐгÌÐò¶ÎºóÊä³ö1

C) ³ÌÐò¶ÎÖеĿØÖƱí´ïʽÊÇ·Ç·¨µÄ D) ³ÌÐò¶ÎÑ­»·ÎÞÊý´Î

83¡¢ÏÂÃæ³ÌÐò¶ÎµÄÊä³ö½á¹ûÊÇ____C____.

x=3;

do { y=x--;

if (!y) {printf(\ printf(\ } while(x=2);

A) ## B) ##* C) ËÀÑ­»· D)Êä³ö´íÎóÐÅÏ¢

84¡¢ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ____B____.

#include void main( )

{ int a=1,b=10; do

{ b-=a;a++; } while(b--<0);

printf(\ }

A) 3,11 B) 2,8 C) 1,-1 D) 4,9

85¡¢ÏÂÃæ³ÌÐò¶ÎµÄÔËÐнá¹ûÊÇ____B______. int n=0;

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while (n++<=2) printf(\

A) 012 B) 123 C) 234 D) ´íÎóÐÅÏ¢

86¡¢ÏÂÃæ³ÌÐò¶ÎµÄÔËÐнá¹ûÊÇ___D_____. int x=0,y=0;

while (x<15) y++,x+=++y; printf(\

A) 20,7 B) 6,12 C) 20,8 D)8,20 87¡¢ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ___B_____.

#include void main() { int s=0,i=1; while (s<=10) { s=s+i*i; i++; }

printf(\ }

A) 4 B) 3 C) 5 D) 6

88¡¢º¯ÊýpiµÄ¹¦ÄÜÊǸù¾ÝÒÔϽüËƹ«Ê½Çó¦ÐÖµ£º____C______

(¦Ð*¦Ð)/6=1+1/(2*2)+1/(3*3)+..+1/(n*n) ÇëÌî¿Õ£¬Íê³ÉÇó¦ÐµÄ¹¦ÄÜ¡£

#include void main( )

{ double s=0.0; int i,n; scanf(\ for(i=1;i<=n;i++) s=s+_______ ; s=(sqrt(6*s)); printf(\ }

A) 1/i*i B) 1.0/i*i C) 1.0/(i*i) D) 1.0/(n*n)

89¡¢ÏÂÃæ³ÌÐò¶ÎµÄÔËÐнá¹ûÊÇ____B____.

for(x=10;x>3;x--) { if(x%3) x--; --x; --x;

printf(\ }

A) 6 3 B) 7 4 C) 6 2 D) 7 3

90¡¢ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ____D_____.

#include void main( ) { int a,b;

.

a=-1; b=0; do {

++a; ++a; b+=a;

} while(a<9); printf(\ }

A) 34 B) 24 C) 26 D) 25 91¡¢ÏÂÃæ³ÌÐò¶ÎµÄÔËÐнá¹ûÊÇ_____D______.

for(i=1;i<=5;) printf(\ i++;

A) 12345 B) 1234 C) 15 D) ÎÞÏÞÑ­»·

92¡¢ÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ_____B_____.

#include void main( ) { int n=4;

while (n--) printf(\ }

A) 2 0 B) 3 1 C) 3 2 1 D) 2 1 0

93¡¢ÒÔϳÌÐòÔËÐкóµÄÊä³ö½á¹ûÊÇ___D_____.

#include void main() { int i=10,j=0; do

{ j=j+1; i--; }while(i>2); printf(\ }

A) 50 B) 52 C) 51 D) 8

94¡¢ÒÔϺ¯ÊýµÄ¹¦ÄÜÊÇ£ºÇóxµÄy´Î·½£¬ÇëÌî¿Õ.____C______

#include void main() { int i,x,y; double z;

scanf(\ for(i=1,z=x;i

printf(\ }

A) i++ B) x++ C) x D) i

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95¡¢ÓÐÈçϳÌÐò

#include void main() { int x=23; do

{ printf(\ }while(!x); }

¸Ã³ÌÐòµÄÖ´Ðнá¹ûÊÇ___B____

A) 321 B) 23

C) ²»Êä³öÈκÎÄÚÈÝ D) ÏÝÈëËÀÑ­»· 96¡¢ÒÔϳÌÐò¶ÎµÄÖ´Ðнá¹ûÊÇ____C____.

int i,j,m=0;

for(i=1;i<=15;i+=4) for(j=3;j<=19;j+=4) m++;

printf(\

A) 12 B) 15 C) 20 D) 25

97¡¢ÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ______A_____.

#include void main( ) { int i;

for(i=1;i<6;i++)

{ if (i%2!=0) {printf(\ printf(\ }

printf(\ }

A) #*#*# B) ##### C) ***** D) *#*#*

98¡¢ÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ____D______.

#include void main( )

{ int x=10,y=10,i; for(i=0;x>8;y=++i)

printf(\ }

A) 10 1 9 2 B) 9 8 7 6 C) 10 9 9 0 D) 10 10 9 1

99¡¢Ö´ÐÐÒÔϳÌÐòºó£¬Êä³öµÄ½á¹ûÊÇ_____D_____.

#include void main( ) { int y=10; do {y--;} while (--y);

printf(\

.

}

A) -1 B) 1 C) 8 D) 0

100¡¢ÓÐÈçϳÌÐò

#include void main( ) { int n=9;

while(n>6) {n--;printf(\ }

¸Ã³ÌÐò¶ÎµÄÊä³ö½á¹ûÊÇ_____B_____.

A) 987 B) 876 C) 8765 D) 9876 101¡¢ÓÐÈçϳÌÐò

#include void main( ) { int i,sum=0;

for(i=1;i<=3;sum++) sum+=i; printf(\ }

¸Ã³ÌÐòµÄÖ´Ðнá¹ûÊÇ______C_____.

A) 6 B) 3 C) ËÀÑ­»· D) 0

102¡¢ÒÔÏÂÑ­»·ÌåµÄÖ´ÐдÎÊýÊÇ___D____

#include void main( ) { int i,j;

for(i=0,j=1; i<=j+1; i+=2, j--) printf(\ }

A) 3 B) 2 C) 1 D) 0

103¡¢ÔÚÖ´ÐÐÒÔϳÌÐòʱ£¬Èç¹û´Ó¼üÅÌÉÏÊäÈ룺ABCdef<»Ø³µ>£¬ÔòÊä³öΪ____B____.

#include void main( ) { char ch;

while ((ch=getchar( ))!='\\n')

{ if (ch>='A' && ch<='Z') ch=ch+32; else if (ch>='a' && ch<'z') ch=ch-32; printf(\ }

printf(\ }

A) ABCdef B) abcDEF C) abc D) DEF

104¡¢ÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ____D______.

main( ) {

int i,k=0, a=0, b=0;