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1.ÏÂÁгÌÐòµÄÊä³ö½á¹ûΪ£º(B)
#include<iostream.h>
void main()
{
       char* a[ ] = { "hello", "the", "world"};
       char** pa = a;
       pa++;
       cout<<”*pa<<endl;
}
A) theworld    B) the   C) ello    D) ellotheworld
2. ÒÑÖª¶þ²æÊ÷ºóÐò±éÀúÐòÁÐÊÇbfegcda£¬ÖÐÐò±éÀúÐòÁÐÊÇbadefcg£¬ËüµÄǰÐò±éÀúÐòÁÐÊÇ£º(B)
A) abcdefg     B) abdcefg    C) adbcfeg    D) abecdfg
¡¾×¢¡¿×¥×¡ºóÐò±éÀú×îºó±éÀúrootµÄÌØµã£¬½«¶þ²æÊ÷·ÖΪ¸ÃrootµÄ×óÓÒ×ÓÊ÷¡£
  ºóÖÐ->ǰ:ץסºóÐò±éÀúµÄÌØµã£¬´Óºó¿ªÊ¼£¬Ã¿¸ö½ÚµãΪʣÏÂÊ÷µÄ¸ù£»
  ǰÖÐ->ºó£º´Óǰ¿ªÊ¼£¬Ã¿¸ö½ÚµãΪʣÏÂÊ÷µÄ¸ù
3. Õ»ºÍ¶ÓÁеĹ²Í¬ÌصãÊÇ£º(C)
A) ¶¼ÊÇÏȽøÏȳö                 B) ¶¼ÊÇÏȽøºó³ö
C) Ö»ÔÊÐíÔڶ̵㴦²åÈëºÍɾ³ýÔªËØ D) ûÓй²Í¬µã
4. ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûΪ£º(A)
#include <iostream.h>
void main()
{
       int a, x;
       for(a = 0, x = 0; a<=1 && !x++; a++)
       {
              a++;
       }
       cout<< a << x <<endl;
}
A) 21             B) 22             C) 32             D) 41
¡¾×¢¡¿Ñ­»·µÄÖ´ÐÐ˳Ðò
5. ÏÂÁÐÑ¡Ï²»ÕýÈ·µÄÊÇ£º(B) whileºóûÓзֺÅ
A) for(int a=1; a<=10; a++);
B) int a=1;
   do
   {
          &nbs


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atan_self(double x)
{
//atan(x)=x-x^3/3+x^5/5-x^7/7+.....(-1<x<1)
//return:[-pi/2,pi/2]
double mult,sum,xx;
sum=0;
if(x==1){
return pi/4;
}
if(x==-1){
return -pi/4;
}
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