1-20. Atype of product made by a particular company A: brand B: bargain C: aspirin D: area

下列DOS命令中显示文件目录的命令是（）。 A: ATYPE B: BDIR C: CDEL

下程序的运行结果是:____,____,____。struct atype{ int m;char *pn;}tab[2]={{1,"ab"},{2,"cd"}},*p=tab;void main(){ printf("%d",tab[1].m);printf("%c",*p->;pn);printf("%c",*(++p)->;pn);}

下程序的运行结果是:____,____,____。struct atype{ int m;char *pn;}tab[2]={{1,"ab"},{2,"cd"}},*p=tab;void main(){ printf("%d",tab[1].m);printf("%c",*p->pn);printf("%c",*(++p)->pn);}