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1、C ,C+(120)1. Cmain( C )A. B. C. D. 2. ( B )A. +1e+1 5e-9.4 03e2B. -.60 12e-4 -8e5C. 123e 1.2e-.4 +2e-1D. -e3 .8e-4 5.e-03. a=-14,b=3, ab? a:b+1(A )A. -14 B. -13 C. 3 D. 44. :int n,i=1,j=2;n=ij?i+:j+;ij( c ).A. 1,2 B. 1,3 C. 2,2 D. 2,35. s1s2,( D )A. if (s1=s2) B. if(s1=s2)C. if (strcmp(s1,s2)D. if (
2、strcmp(s1,s2)=0)6. ( B )A. B. C. D. 7. C( D)A. B. C. D. 8. ( A)A. B. C. D. 9. ( D )A. double fun(int x,int y) z=x+y;return z;B. fun(int x,y) int z; return z;C. fun(x,y) int x,y; double z; z=x+y; return z;D. double fun( int x,int y) double z; z=x+y; return z; 10. ( B )#include#define F(y) 8.19-y#defi
3、ne PRINT(a) printf(%d,(int)(a)void main(void)int x=2;PRINT(x*F(3);A. 10 B. 13 C. 11 D. 11. ( C )A. A. void main(void)unionint n;float x; comm=1;printf(%d,comm.n);B. B. void main(void)unionint n;float x; comm=12.5;printf(%f,comm.x);C. C. void main(void)unionfloat x;int n; comm=12.5printf(%f,comm.x);D
4、. D. void main(void)unionint n;float x; comm=5;printf(%d, comm.n);12. int a=1,*p=&a; float b=2.0; char c=A; ( A)A. p+; B. a-; C. b+; D. c-;13. scanfa( B )main()int *p,*q,a,b;p=&a;printf(input a:);scanf(%d,*p);A. *ppB. *pa aC. *ppD. *pp14. numabcintnum=(a=4,b=16,c=32);num( C )A. 4 B. 16 C. 32 D. 5215
5、. ,a1,a2,c1,c210,20,AB,( C ),(: _ )int al,a2,char c1,c2;scanf(%d%c%d%c,&a1,&c1,&a2,&c2);A. 10A_20_B B. 10_A_20_B C. 10A20B D. 10A20_B16. int a10; a(C )A. a10 B. a3.5 C. a5-3 D. a-117. C, ;( A)A. B. C. D. 18. a( C )A. in a10=(0,0.0,0,0);B. int a10=; C. int a0;D. int a10=10*1;19. ( C )x=-1;dox=x*x;whi
6、le(! x);A. B. C. D. 20. do-while( B )A. do-whileB. do-whiledowhilewhile()C. do-whilewhile()D. do-while(115)1. CT2. T3. whiledo-whileT4. continueF5. 01T6. int a34=0a000 T7. T8. T9. 0F10. F11. F12. T13. 14. i+i15. (15)1. if a0,( ABC ).Aa0B!aCa=0DaEa!=02. ( CEGIJ )A3e22.5B-e-3C-.1e-1DBASICE045F0fdG0xfdaLHe8IJ3. (ADFHI)(1)(2)(3)int(4)
