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11.B 12.A 13.C 14.B 15.A 16.B 17.C 18.C 19.D 20.C 21.D 22.B 23.B 24.C 25.B 26.A 27.B 28.A 29.A 30.A 31.D 32.D 33.D 34.A 35.B 36.B 37.B 38.A 39.B 40.B 41.C 42.A 43. C 44.B

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16

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5.Ö´ÐÐÒÔϳÌÐò¶Îºó£¬xµÄֵΪ______¡£

int a=14,b=15,x; char c='A';

x=(a&&b)&&(c<'B'); A.true B.1 C.false 6.ÏÂÁбí´ïʽÖУ¬______²»ÊǹØϵ±í´ïʽ¡£

A.x%2= =0 B.!(x%2) C.(x/2*2-x)= =0 D.x%2!=0 7.Ö´ÐÐÒÔϳÌÐòºó£¬Êä³öµÄ½á¹ûÊÇ______¡£

include \main()

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

if(a

A.0 B.1 C.2 D.3 8.Ö´ÐÐÒÔϳÌÐòºó£¬Êä³öµÄ½á¹ûÊÇ______¡£

include \main()

{ int w=4,x=3,y=2,z=1;

printf(\

A.4 B.2 C.1 D.3 9.Ö´ÐÐÒÔϳÌÐò¶Îºó£¬Êä³ö½á¹ûÊÇ______¡£

int a=3,b=5,c=7; if(a>b) a=b;c=a; if(c!=a) c=b;

printf(\

A.³ÌÐò¶ÎÓÐÓï·¨´íÎó B.3,5,3 C.3,5,5 D.3,5,7 10.ÏÂÃæ³ÌÐò¶ÎµÄÊä³ö½á¹ûÊÇ______¡£

int a=-1,b=4,k;

17

D.0

k=(a++<=0)&&(!b--<=0); printf(\

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

11.ÈôÓж¨Ò壺float x=1.5;int a=1,b=3,c=2; ,ÔòÕýÈ·µÄswitchÓï¾äÊÇ______¡£

A.switch(x)//()ÀïΪÕûÐÍ,×Ö·û,ö¾Ù B.switch(int(x))

{ case 1.0: printf(\

case 2.0: printf(\} }

C.switch(a+b) D.switch(a+b)

{ case 1: printf(\

case 2+1: printf(\} }

12.ÏÂÃæ³ÌÐò¶ÎµÄÊä³ö½á¹ûÊÇ______¡£

int n='c';

switch(n++) // nÏÈÓ㬺ó×ÔÔö(n=¡¯c¡¯)¡£ {default: printf(\ case 'a': case 'A': case 'b':

case 'B': printf(\case 'c':

case 'C': printf(\case 'd':

case 'D': printf(\

A.passwarn B.passerror C.goodpasswarn D.pass 13.ÏÂÊö³ÌÐò¶ÎµÄÊä³ö½á¹ûÊÇ_______¡£

int a=2,b=3,c=4,d=5; int m=2,n=2;

a=(m=a>b)&&(n=c>d)+5; printf(\

A.2,5 B.0,5 C.2,6 D.0,6 14.ÈôaÊÇÊýÖµÀàÐÍ£¬ÔòÂß¼­±í´ïʽ(a==1)||(a!=1)µÄÖµÊÇ_______¡£

A.0 B.1 C.2 D.²»ÄÜÈ·¶¨ 15.ÒÑÖªint x=10,y=20,z=30;£¬ÒÔÏÂÓï¾äÖ´Ðкóx,y,zµÄÖµÊÇ_______¡£

if(x>y)

z=x; x=y; y=z;

printf(\

A.10,20,30 B.20,30,20

18

C.20,30,10 D.20,30,30

16.µ±a=1,b=3,c=5,d=4,x=0ʱ£¬Ö´ÐÐÍêÏÂÃæÒ»¶Î³ÌÐòºóxµÄÖµÊÇ_______¡£

if(a>b) if(cc) if(b

A.7 B.2 C.3 D.6

17.Éè±äÁ¿a¡¢b¡¢c¡¢dºÍy¶¼ÒѾ­ÕýÈ·¶¨Òå²¢¸³Öµ£¬ÔòÒÔÏÂifÓï¾äµÄËù±íʾµÄº¬ÒåÊÇ

_______¡£ if(a

A.a

B.a

#inlude main()

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

{ case 1: switch(y)

{ case 0: a++; break; case 1: b++;break; } case 2: a++;b++;break; case 3: a++;b++; }

printf(\

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

19.ÔÚÖ´ÐÐÏÂÊö³ÌÐòʱ£¬Èô´Ó¼üÅÌÊäÈë6ºÍ8£¬ÔòÊä³ö½á¹ûÊÇ_______¡£

#inlude main()

{ int a,b,s;

scanf(\s=a; if(a

19

s=b; s*=s;

printf(\

A.36 B.48 C.64 D.ÒÔÉ϶¼²»¶Ô 20.ÒÔϳÌÐòÔËÐÐʱ£¬ÊäÈëµÄÖµÔÚ_______·¶Î§Ê±²Å»áÓÐÊä³ö½á¹û¡£

#inlude main() { int x;

scanf(\if(x<=3);else

if(x!=10) printf(\

A.²»µÈÓÚ10µÄÕûÊý B.´óÓÚ3ÇÒ²»µÈÓÚ10µÄÕûÊý C.´óÓÚ3»òµÈÓÚ10µÄÕûÊý D.СÓÚ3µÄÕûÊý 21.ÏÂÁгÌÐòµÄÊä³ö½á¹ûÊÇ_______¡£

#inlude main()

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

if(++a>0||++b>0) ++c; //¶Ì·ÔËË㣬++bδ×÷ÔËËã¡£ printf(\

A.0,0,0 B.1,1, C.1,0,1 D. 0,1,1

22.Óж¨ÒåÓï¾ä£ºint a=1,b=2,c=3;£¬ÔòÒÔÏÂ_______¶ÔÓ¦µÄ±í´ïʽµÄÖµ²»ÎªÕæ¡£

A.a!= 'a' B.a+b-c!='0'-48 C.c-a=='C'-'A' D.c<='7'+'0' 23.ÏÂÁгÌÐòµÄÊä³ö½á¹ûÊÇ_______¡£

#inlude main()

{ int i=1,j=2,k=3;

if(i++==1&&(++j= =3||k++==3)) //¶Ì·ÔËË㣬k=k+3 δ×÷ÔËËã¡£ printf(\

A.1 2 3 B.2 3 4 C.2 2 3 D. 2 3 3 24.µ±±äÁ¿cµÄÖµ²»Îª2¡¢4¡¢6ʱ£¬ÖµÒ²Îª¡°Õ桱µÄ±í´ïʽÊÇ_______¡£

A.(c==2)||(c==4)||(c==6)

B.(c>=2&&c<=6)||(c!=3)||(c!=5) C.(c>=2&&c<=6)&&!(c%2) D.(c>=2&&c<=6)&&(c%2!=1)

25.ÏÂÁгÌÐòµÄÊä³ö½á¹ûÊÇ_______¡£ main()

{ int a=5,b=4,c=3,d=2;

if(a>b>c) printf(\

else if((c-1>=d)==1) printf(\

20

else printf(\

A.2 B.3 C.4 D.±àÒëʱÓдíÇÒÎÞ½á¹û

26.¼ºÓж¨Ò壺int x=3,y=4,z=5;£¬ Ôò±í´ïʽ!(x+y)+z-1&&y+z/2µÄÖµÊÇ_______¡£

A.6 B.0 C.2 D.l £¡£¨3+4£©+5-1&&4+5/2 !7+4&&4+2 0+4&&6 1&&1 27.ÒÔϳÌÐòÔËÐкóµÄÊä³ö½á¹ûÊÇ_______¡£

#inlude main()

{ int a=15,b=21,m=0;

switch(a%3) //15%3=0

{ case 0: m++; break; // Ö´Ðкó£¬Í˳öµÚÒ»²ã¡£ case 1: m++;

switch(b%2) //µÚ¶þ²ã£¬Î´Ö´ÐÐ { default: m++;

case 0: m++; break; } }

printf(\A.1 B.2 C. 3 D.4

28.ÔÚÖ´ÐÐÏÂÊö³ÌÐòʱ£¬Èô´Ó¼üÅÌÊäÈë6ºÍ2£¬ÔòÊä³ö½á¹ûÊÇ_______¡£

#inlude main()

{ int a,b,k;

scanf(\k=a;

if(a

printf(\

A.5 B.3 C.2 D.0

29.ÔÚÖ´ÐÐÏÂÊö³ÌÐòʱ£¬Èô´Ó¼üÅÌÊäÈë×ÖĸH£¬ÔòÊä³ö½á¹ûÊÇ_______¡£

#inlude main() { char ch;

ch=getchar(); switch(ch)

{ case 'H':printf(\

case 'G':printf(\

21

default:printf(\}

A.Hello! B.Hello! Good morning! C.Hello! D.Hello! Good morning! Bye_Bye! Bye_Bye!

30.Éè±äÁ¿xºÍy¾ùÒÑÕýÈ·¶¨Òå²¢¸³Öµ£¬ÔòÒÔÏÂifÓï¾äÖУ¬ÔÚ±àÒëʱ½«²úÉú´íÎóÐÅÏ¢µÄÊÇ

_______¡£

A.if(x++); //¿ÕÓï¾ä B.if(x>y&&y!=0) ; C.if(x>0) x- - //ÉÙÁË¡°£»¡±ºÅ D.if(y<0){;} else y++; else x++; 31.ÒÔϳÌÐòµÄÔËÐкóµÄÊä³ö½á¹ûÊÇ_______¡£

#inlude main()

{ int a=1,b=0; if(--a) b++;

else if(a==0) b+=2; else b+=3;

printf(\%d\\n\

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

32.ÏÂÁÐÌõ¼þÓï¾äÖУ¬Êä³ö½á¹ûÓëÆäËûÓï¾ä²»Í¬µÄÊÇ_______¡£

A.if(a) printf(\%d\\n\%d\\n\B.if(a==0) printf(\%d\\n\%d\\n\C.if(a!=0) printf(\%d\\n\%d\\n\D.if(a==0) printf(\%d\\n\%d\\n\33.ÒÔÏÂÑ¡ÏîÖУ¬ÄܱíʾÂß¼­Öµ¡°¼Ù¡±µÄÊÇ_______¡£

A.1 B.0.000001 C.0 D.100.0 34.ÒÔϳÌÐòÔËÐÐʱ£¬Èô´Ó¼üÅÌÊäÈë9£¬ÔòÊä³ö½á¹ûÊÇ_______¡£

#inlude main() { int a=1;

scanf(\%d\ if(a++<9)

printf(\%d\\n\ else

printf(\%d\\n\

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

35.Èô±äÁ¿cµÄֵΪ·Ç0£¬ÔòÄÜÕýÈ·µØ½«cµÄÖµ¸³¸ø±äÁ¿aºÍbµÄ±í´ïʽÊÇ_______¡£

A.(a=c)||(b=c) B.(b=a)=c

22

C.(a=c) && (b=c) D.a=c=b

36.ÉèÓж¨Òåint i;£¬Ôò±í´ïʽ(i=1,i=10)? i++||++i:++iµÄÖµÊÇ_______¡£

A.10 B.1 C.2 D.3

37.Éèa=2¡¢b=7.5¡¢c=-3.6£¬Ôò_______ÖеÄÁ½¸ö±í´ïʽµÄÂß¼­ÖµÏàµÈ¡£

A.'a'>'c'||'x'<'y' Óë b-a<=-c/2&&c==-3.6 B.'a'>'c'&&x'<'y' Óë a-7'c'||'x'>'y' Óë 'a'<'c'&&a>b D.'a'>'c'&&'x'>'y' Óë 'a'<'c'||a

38.µ±y´¦ÓÚ±ÕÇø¼ä[x,z]ʱ£¬ÖµÎªÕæµÄ±í´ïʽÊÇ_______¡£

A.( y<= z)&&(y>=x) B.(x>=y)and(y>=z)c C.(x>=y>=z) D.(x>=y)&(y>=z) 39.ÒÔϳÌÐòÖ´ÐкóµÄÊä³ö½á¹ûÊÇ_______¡£

#inlude main()

{ int a=5,b=4,c=3,d=1;

d=(a>b>c); //a>b ΪÕæ,ÅжϽá¹ûΪ1£¬ 1ÔÙºÍc±È½Ï1>c£¬Îª¼Ù¡£±í´ïʽֵΪ0. printf(\

A.3 B. 2 C.1 D.0 40.ÒÔϳÌÐòÖ´ÐкóµÄÊä³ö½á¹ûÊÇ_______¡£

#inlude main()

{ int a=2,b=7,c=5; switch(a>0)

{ case 1:switch(b<10)

{ case 1: printf(\

case 0: printf(\

case 0:switch(c==5)

{ case 0: printf(\

case 1: printf(\default: printf(\

default: printf(\printf(\

A.!*# B.@!# C.@%# D.@#&

ËÄ¡¢Ï°Ìâ´ð°¸

£¨Ò»£©¡¢ÊÇ·ÇÌâ

1.A 2.A 3.B 4.A 5.A 6.B 7.A 8.A 9.B 10.A 11.A 12.A 13.B 14.B 15.B 16.A 17.A 18.A 19.B 20.A £¨¶þ£©¡¢Ñ¡ÔñÌâ

1.C 2.A 3.A 4.D 5.B 6.B 7.C 8.C 9.B 10.C

23

11.B 12.A 13.A 14.B 15.D 16.A 17.C 18.B 19.C 20.B 21.C 22.B 23.D 24.B 25.B 26.D 27.A 28.C 29.C 30.C 31.C 32.D 33.C 34.A 35.C 36.B 37.C 38.A 39.D 40.D £¨Èý£©¡¢±à³ÌÌ⣨ÂÔ£©

24

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3.´ÓÓï·¨½Ç¶È¿´£¬for(±í´ïʽ1;±í´ïʽ2;±í´ïʽ3)Óï¾äÖеÄ3¸ö±í´ïʽ¾ù¿ÉÊ¡ÂÔ¡£

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4.for¡¢whileºÍdo whileÑ­»·½á¹¹µÄÑ­»·Ìå¾ùΪ½ô½ÓÆäºóµÄµÚÒ»¸öÓï¾ä£¨º¬¸´ºÏÓï¾ä£©¡£

A.¶Ô B.´í

5.ÓÉi=-1;while(i<10) i+=2;i++;¿ÉÖª£¬´ËwhileÑ­»·µÄÑ­»·ÌåÖ´ÐдÎÊýΪ6´Î¡£

A.¶Ô B.´í 6.Ñ­»·for( ; ; )µÄÑ­»·Ìõ¼þʼÖÕΪÕæ¡£

A.¶Ô B.´í

7.do¡­whileÓï¾äµÄÑ­»·ÌåÖÁÉÙÖ´ÐÐ1´Î£¬whileºÍforÑ­»·µÄÑ­»·Ìå¿ÉÄÜÒ»´ÎÒ²²»Ö´ÐС£

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8.break;Óï¾äÖ´ÐÐʱÍ˳ö±¾²ãÑ­»·£¬continue;Óï¾ä½áÊø±¾´ÎÑ­»·¡£

A.¶Ô B.´í

9.forÑ­»·¡¢whileÑ­»·ºÍdo whileÑ­»·½á¹¹Ö®¼ä¿ÉÒÔÏ໥ת»¯¡£

A.¶Ô B.´í

10.break;Óï¾äÖ´ÐÐʱÍ˳öµ½°üº¬¸Ãbreak;Óï¾äµÄËùÓÐÑ­»·Íâ¡£¡£

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11.¶þÖØÑ­»·for(i=0;i<5;i+=2) for(j=0;j<5;j++)µÄÑ­»·ÌåµÄÖ´ÐдÎÊýΪ15¡£

A.¶Ô B.´í

ÍâÑ­»·iÖ´ÐÐ3´Î, ÄÚÑ­»·jÖ´ÐÐ5´Î¡£3*5=15´Î¡£ 12.Ö´ÐÐi=-1; while(i<10) i+=2;i++; ºó£¬iµÄÖµ Ϊ11¡£

A.¶Ô B.´í

13.int i=1;while(1) i++; ÔòÔÚÈκÎÌõ¼þÏ£¬¸ÃÑ­»·Óï¾ä¶¼»áÖ´ÐÐÎÞÇî¶à´Î

A.¶Ô B.´í 14.whileºÍdo¡­whileµÄ¹¦ÄÜÍêÈ«Ïàͬ¡£

A.¶Ô B.´í

15.whileºóµÄ±í´ïʽֻÄÜÊÇÂß¼­»ò¹Øϵ±í´ïʽ¡£

A.¶Ô B.´í 16.Óï¾äwhile(E);Öеıí´ïʽEµÈ¼ÛÓÚE!=0¡£

25

A.¶Ô B.´í

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D.struct student {int num; char name[10]; int age;}; student stu;

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