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7. ½«doubleÐ͵ÄÊý¾Ý¸³Öµ¸øfloatÐͱäÁ¿»áÓо«¶ÈËðʧ¡£ £¨1·Ö£© ( )

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9. ÔÚCÖУ¬ÐÎʽ²ÎÊýÖ»ÊǾÖÏÞÓÚËùÔÚº¯Êý £¨1·Ö£© ( )

10. int x=10;printf(\Õâ×éÓï¾äµÄÊä³ö½á¹ûΪ10 £¨1·Ö£© ( )

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2. ÏÂÁÐÓï¾äÖдíÎóµÄÊÇ£¨£© £¨2·Ö£© A.x=sizeof(int); B.x=sizeof(3.14);

C.printf(¡°%d¡±,a=a+1,b--,c+1); D.printf(¡°%d¡±,++x,x++);

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3. ÒÑÖªint t=6,s;ÔòÖ´ÐÐÓï¾äs=(++t)+(t++);ºó£¬sµÄÖµÊÇ£¨£© £¨2·Ö£© A.12 B.13 C.14 D.15

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4. printf(\µÄÊä³ö½á¹ûΪ£º £¨2·Ö£© A.2 B.3 C.4 D.12

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5. Óж¨ÒåÓï¾ä:int x,y;£¬ÈôҪͨ¹ýscanf(\Óï¾äʹ±äÁ¿xµÃµ½ÊýÖµ11£¬±äÁ¿yµÃµ½ÊýÖµ12£¬ÏÂÃæËÄ×éÊäÈëÐÎʽÖУ¬´íÎóµÄÊÇ£¨£© £¨2·Ö£© A.11 12

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6. printfº¯ÊýÖÐÓõ½¸ñʽ·û%5s£¬ÆäÖÐÊý×Ö5±íʾÊä³öµÄ×Ö·û´®Õ¼ÓÃ5ÁУ¬Èç¹û×Ö·û´®³¤¶ÈСÓÚ5,ÔòÊä³ö°´·½Ê½£¨ £© £¨2·Ö£©

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7. ÒÔÏÂÔËËã·ûÖв»ÊǹØÏµÔËËã·ûµÄÊÇ£¨£© £¨2·Ö£© A.< B.>= C.! D.!=

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8. ¼Ù¶¨w¡¢x¡¢y¡¢z¡¢m¾ùΪintÐͱäÁ¿£¬ÓÐÈçϳÌÐò¶Î£º w=1; x=2; y=3; z=4;

m=(w

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9. ÒÔϳÌÐòµÄÊä³öΪ£¨ £© main() {int x=0,y=-1; if(x!=0) if(x>0) y=1; else y=0; else y=5; printf(\} £¨2·Ö£©

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11. ÔËÐÐÒÔϳÌÐòµÄ½á¹ûΪ£¨ £© main() { int num=0; while (num<=2) {num++; printf(\} } £¨2·Ö£©

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12. ÒÔÏÂÑ­»·ÌåµÄÖ´ÐдÎÊýÊÇ( ) main()

2

{ int i,j;

for(i=0,j=1;i<=j+1;i+=2,j--) printf(\£¨2·Ö£©

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

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13. ÒÔϳÌÐòµÄfuncº¯ÊýÖк¬ÓУ¨£©¸öʵ²Î

func(func1(exp1,exp2),func2(exp3,exp4,exp5)); £¨2·Ö£© A.1 B.2 C.3 D.5

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14. µ±n=-4ʱ£¬ÒÔÏ´úÂë¶Î½«»á·¢ÉúʲôÇé¿ö£¨£© int factorial£¨int n£© {

if £¨n= =0£© return 1£» else

return factorial£¨n-1£©* n£» } £¨2·Ö£©

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15. Ö´ÐÐÏÂÊö³ÌÐòµÄÊä³ö½á¹ûÊÇ£¨£© #include \ func(int x) {

static int a=3; a+=x; return a; } main() {

int k=2,m=1,n; n=func(k); n+=func(m); printf(\ } £¨2·Ö£©

A.8 B.9 C.11 D.14

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16. ÒÔϳÌÐò¶ÎµÄÊä³ö½á¹ûÊÇ£¨ £©¡£ main() {

int i,k a[10],p[3]; k=5;

for (i=0;i<10;i++) a[i]=i; for (i=0;i<3;i++) p[i]=a[i*(i+1)]; for (i=0;i<3;i++)

3

k+=p[i]*2; printf(\ } £¨2·Ö£©

A.20 B.21 C.22 D.23

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17. ÈôÓÃÊý×éÃû×÷Ϊº¯Êýµ÷ÓÃʱµÄʵ²Î£¬Ôòʵ¼ÊÉÏ´«µÝ¸øÐβεÄÊÇ( ) £¨2·Ö£© A.Êý×éÊ×µØÖ· B.Êý×éµÄµÚÒ»¸öÔªËØÖµ C.Êý×éÖÐÈ«²¿ÔªËصÄÖµ D.Êý×éÔªËØµÄ¸öÊý

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18. ÉèÓж¨ÒåÓï¾ä¡°int a=10£¬*p=£¦a£»¡±£¬Ôò±í´ïʽ¡°a+*p¡±µÄÖµÊÇ£¨£© £¨2·Ö£© A.10 B.20 C.100 D.Óï·¨³ö´í

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19. ÓÐÒÔϳÌÐò void fun(char *c,int d) {

*c=*c+1;d=d+1; printf(\}

void main( ) {

char a='a',b='A'; fun(&a,b);

printf(\}

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20. Ö´ÐÐÏÂÊö³ÌÐòµÄÊä³ö½á¹ûÊÇ£¨£© #include main() {

char *s1,*s2; s1=s2=\

while (*s2!='\\0') putchar(*s2++); while (--s2>=s1) putchar(*s2); putchar('\\n'); } £¨2·Ö£©

A.ABCDABCD B.ABCDDCBA C.DCBADCBA D.DCBAABCD

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21. ÉèÓÐÏÂÊöº¯Êý¶¨Òå int stlen (char *s) { int n=0; while (*s++) n++; return (n);

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