当水电站压力管道管径较大,水头不高时,通常采用的主阀是()
A.蝴蝶阀
B.闸阀
C.球阀
D.其他
参考答案:A
the aftemoon he often plays computer games. But yesterday afternoon he did some
washing.[ ]
A. In; in
B. /; in
C. In; /
D. /; /
以下程序运行后输入:3,abcde<回车>,则输出结果是【 】 #include <string.h> move(char *str, int n) { char temp; int i; temp=str[n-1]; for(i=n-1;i>0;i--) str[i]=str[i-1]; str[0]=temp; } main( ) { char s[50]; int n, i, z; scanf("%d,%s",&n,s); z=strlen(s); for(i=1; i<=n; i++= move(s, z); printf("%s\n",s); =