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{ int a=-1£¬b=1£¬k; if((++a<0)&&!(b--<=0)) printf(\£¬a£¬b); else

printf(\£¬b£¬a); }

A) -1 1 B) 0 1

C) 1 0

D) 0 0

Óë y=(x>0?1:x<0?-1:0);µÄ¹¦ÄÜÏàͬµÄifÓï¾äÊÇ( ) A) if (x>0) y=1; B) if(x) else if(x<0)y=-1; if(x>0)y=1; else y=0; else if(x<0)y=-1; else y=0; C) y=-1 D) y=0; if(x) if(x>=0) if(x>0)y=1; if(x>0)y=1; else if(x==0)y=0; else y=-1; else y=-1;

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scanf(\

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

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

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A) #### B) **** C) ####**** D) ÎÞÊä³ö½á¹û Çë¶ÁÏÂÃæ³ÌÐò£º main()

{int x=1, y=2, z=3; x+=y+=z;

printf(\ printf(\}

³ÌÐòÊä³ö½á¹ûΪ( )

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

ÔÚCÓïÑÔµÄifÓï¾äÖУ¬ÓÃ×÷Åжϵıí´ïʽΪ( ) A) ¹Øϵ±í´ïʽ B) Âß¼­±í´ïʽ C) ËãÊõ±í´ïʽ D) ÈÎÒâ±í´ïʽ

Èô±äÁ¿¶¼ÒÑÕýȷ˵Ã÷£¬ÔòÒÔϳÌÐò¶ÎÊä³öΪ( ) int a=1,b=2,c,d; if (a=b) c=d=a; else c=b;d=b; printf(\A)c=1,d=1 B)c=1,d=2 C)c=2,d=1 D)c=2,d=2

ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ( ) main()

{int a=100£¬x=10,y=20£¬a1=5£¬a2=0 if(x

A)1 B) 0 C) 10 D)-1

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

ÈôÓж¨Òå: float w; int a, b; ÔòºÏ·¨µÄswitchÓï¾äÊÇ( ) A) switch(w) B) switch(a); { case 1.0: printf(\ { case 1 printf(\ case 2.0: printf(\ case 2 printf(\} } C) switch(b) D) switch(a+b); { case 1: printf(\ { case 1: printf(\ default: printf(\ case 2: printf(\ case 1+2: printf(\ default: printf(\} }

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scanf(\ switch(grade)

{ case 'A': printf(\ case 'B':

case 'C': printf(\ case 'D': printf(\ default: printf(\}

A) >=85 B) >=60 C) >=60 D) error. <60 error. Ñ¡Ôñ³öiµÄÕýÈ·½á¹û( ) int i=10; switch(i) {

case 9: i++; case 10: i+=1; case 11:i++; default: i+=1; }

A) 10 B) 11 C) 12 D) 13

CÓïÑÔµÄdo_whileÑ­»·ÖУ¬Ñ­»·ÓÉdo¿ªÊ¼£¬ÓÃwhile½áÊø£»¶øÇÒÔÚwhile±í´ïʽºóÃæµÄ( ) ²»Äܶª£¬Ëü±íʾd0_whileÑ­»·µÄ½áÊø¡£ A) \\n

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C) %

D) ,

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B) ;

C) %

D) ,

ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ( )¡£ #include main() {

int num=0; while(num<=2) { num++;

printf(\} }

A) 1 B) 1 C) 1 D) 1 2 2 2

3 3 4

ÒÔϳÌÐòµÄÊä³öΪ( ) # include main( ) { int y=10; while (y--);

printf (\

A. y=0 B. ÎÞÏÞÑ­»·,ÎÞ½á¹ûÊä³ö C. y=1 D. y=-1 ÉèÓгÌÐò¶Î int x=0,s=0;

while(!x!=0) s+=++x; printf(\Ôò( )¡£

A) ÔËÐгÌÐò¶ÎºóÊä³ö0

B) ÔËÐгÌÐò¶ÎºóÊä³ö1 D) ³ÌÐò¶ÎÖ´ÐÐÎÞÏÞ´Î

C) ³ÌÐò¶ÎÖеĿØÖƱí´ïʽÊÇ·Ç·¨µÄ ÏÂÃæ³ÌÐò¶ÎµÄÔËÐнá¹ûÊÇ( )¡£ a=1;b=2;c=2; while(a

ÒÔÏÂÄÜÕýÈ·¼ÆËã1¡Á2¡Á3¡Á4...¡Á10µÄ³ÌÐò¶ÎÊÇ( )¡£ A) do {i=1; s=1; s=s*i; i++; } while(i<=10) B) do {i=1; s=0; s=s*i; i++; } while(i<=10) C) i=1; s=1;

do {s=s*i; i++; } while(i<=10) D) i=1; s=0;

do {s=s*i; i++; } while(i<=10) ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ( )¡£ #include main() { int a=1,b=10;

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

A) a=3,b=11

B) a=2,b=8

C) a=1,b=-1

D) a=4,b=9

ÈôiΪÕûÐͱäÁ¿£¬ÔòÒÔÏÂÑ­»·Ö´ÐеĴÎÊýÊÇ( )¡£ for(i=2;i==0;) printf(\A) ÎÞÏÞ´Î

B) 0´Î

C) 1´Î

D) 2´Î

ÏÂÃæ³ÌÐò¶ÎµÄÔËÐнá¹ûÊÇ( )¡£ for(y=1;y<10;) y=((x=3*y, x+1), x-1); printf(\