C语言建立一个文本文件wb.txt,将下列字符写入该文件:答:include <string.h> main(){ char txt[]="London,Paris,Bon,Rome,Tokyo,Detroit,Moscow,Jerusalim,Bomgey,Beijing";FILE *fp=fopen("wb.txt","w");fwrite(txt,strlen(txt)+1,1,fp);fclose(fp);fp=fopen("wb.txt","r");fread(txt,sizeof(txt),1,fp);printf("%s\n",txt);fclose(...