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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, a#define F(y) 8.19-y#define 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。

2、=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. 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。

3、. 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. ,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 。

4、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;while(! 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. conti。

5、nueF5. 01T6. int a34=0a000 T7. T8. T9. 0F10. F11. F12. T13. 14. i+i15. (15)1. if a0,( ABC ).Aavoid main(void)int i;char a=Time,b=Tom;for(i=0;a!=0&b!=0;i+)if (a=b)if (a=a & a=0 & x=3000 & x=6000 & x#includefloat fun1(float,float);void main(void)float x,y,z,sum;scanf(%f%f%,&x,&y,&z);sum=fun1( )+ fun1 。

6、( );printf(sum=%fn,sum);float fun1(float a,float b)float num;num=a/b;return num;(220)1. :/6=1/(11)+1/(22)+1/(33)+., 10e-6#include #include void main(void)long i=1;pi=0;while (i*i1)#includeint age(int n)int c;if (n=1) c=10;else c= ;return c;4. void main(void)int year,yes;scanf(%d,&year);if (year%400=。

7、0) yes=1;else if ( ) yes=1;else ;if(yes) printf(%d is ,year);else printf(%d is not ,year);printf(a leap year.n);5. : ,void main(void)int x,y,z,c;scanf(%d %d %d,&x,&y,&z);if ( ) c=y;y=z;z=c;if ( ) c=x;x=z;z=c;if ( ) c=x;x=y;y=c;printf(%d,%d,%d,x,y,z);(120)1. Cfloat( );double( )1A) c B) C) W D) 2C+:A)。

8、 WHILE B) user C) _1var D) 9stars3______int i=0;while(i#include class CRectprivate:char color10;int left;int top;int length;int width;public:CRect();CRect(char *c, int t, int lef, int len, int wid);void SetColor(char *c);void SetSize(int l=100, int w=100);void Move(int t,int l);void Draw();CRect:CRe。

9、ct()strcpy(color, Black);top = 0;left = 0;length = 0;width = 0;CRect:CRect(char *c, int t, int lef, int len, int wid)strcpy(color, c);top = t;left = lef;length = len;width = wid;void CRect:SetColor(char *c)strcpy(color, c);void CRect:SetSize(int l, int w)length=l;width = w;void CRect:Move(int t,int 。

10、l)top = t;left = l;void CRect:Draw()cout class Aint x,y;public:A()x=0;y=0;A(int a, int b)x=a;y=b;A()if(x=y)cout class Aprivate:int n;public:A(int i)n=i;operator +()n+;operator +(int )n+=2;void Display()cout int func1(int n);int func2(int n);void main()int sum;sum = func2(5);cout #include class Apriv。

11、ate:________(1)___________protected:________(2)__________public:A(int a, int b, int c)X=a;Y=b;Z=c;int GetX()return X;int GetY()return Y;int GetZ()return Z;class B _____(3)_______private:int K;public:B(int a, int b, int c, int d)_______(4)_________K=d;void Show()cout #include void func1(double s)int 。

12、i,k;for(k=2,i=0; imain()int i,t=1,s=0;for(i=1;i=101;__(19)__)s=s+i*t;t=_(20)__;10212C+classstruct3double x35x3 1453021int a,b;a=5;b=a+;cout b;A) 4 B) 5 C) 6 D) 72int i,a;for(i=0;i=10;i+)a=i;cout i;A) 0 B) 9 C) 10 D) 113______A) B) C) D) 4 int *p1,*p2,a10;p1=a;p2=&a5;p2-p1A) B) 10 C) 5 D) 125A) B) C)。

13、 D) 6. ______A) B) C) D) 70ASCII48void main()char a=1, b=2;cout b+ ,;cout b-a endl;A 3,2 B50,2 C2,2 D2,508void main()int a33,*p,i;p=&a00;for(i=0;i9;i+)pi=i;for(i=0;i3;i+)cout a1i;A012 B123 C234 D3459AdoubleBCD10void main()int a=1,2,3,4,5,6,7,8,9,0,*p;for(p=a;pa+10;p+)cout *p ,;A1,2,3,4,5,6,7,8,9,0, B2,3,4,5,6,7,8,9,10,1,C0,1,2,3,4,5,6,7,8,9, D1,1,1,1,1,1,1,1,1,1,11void main()int c=35;int b=c&c;cout b;A0 B70 C35 D112int i=0, s=1;while(i3)s+=i;i+;cout s;A) 5 B) 6 C) 4。