C语言：二维字符数组

#include <stdio.h>
main()
{
    char a[3][10]={"beijing","shanghai","tianjin"},*pa=a[0];
    printf("%s\n",*(a+1));
    printf("%s\n",a+1);
    printf("%s\n",*a+1);
    printf("%s\n",pa);
    printf("%s\n",(pa+1));
    getchar();
 }