称“娇脏”的脏是
A.心
B.脾
C.肺
D.肾
E.肝
参考答案:C
有以下程序 #include<stdio.h> main() FILE *fp;int i=20,j=30,k,n; fp=fopen("d1.dat","w"); fprintf(fp,"%d\n",i);fprintf(fp,"%d\n",j); fclose(fp); fp=fopen("d1.dat","r"); fscanf(fp,"%d%d",&k,&n;printf("%d%d\n",k,n); fclose(fp); 程序运行后的输出结果是
A.20 30
B.20 50
C.30 50
D.30 20
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