排序规则

A control chart has all of the following characteristics EXCEPT:

A) It illustrates how a process behaves over time.
B) It is used to determine whether or not a process is stable or has predictable performance.
C) It illustrates how various factors might be linked to potential problems or effects.
D) It can be used to monitor any type of output variable.

如图所示，在绳下端挂一物体，用力F拉物体使悬线偏离竖直方向的夹角为α，且保持其平衡．保持α不变，当拉力F有最小值时，F与水平方向的夹角β应是

A．0

B．

C．2α

D．α

有以下程序
#include
main()
FILE *fp; int i,a[6]=1,2,3,4,5,6;
fp=fopen("d2.dat","w");
fprintf(fp,"%d%d%d\n",a[0],a[1],a[2]);
fprintf(fp, "%d%d%d\n",a[3],a[4],a[5]);
fclose(fp);
fp=fopen("d2.dat","r");
fscanf(fp," "%d%d\n",＆k,＆n);
printf("%d%d\n",k,n);
fclose(fp);程序运行后的输出结果是______。

A．1 2

B．1 4

C．123 4

D．123 456

水痘的主要传播方式（）

A.接触传播

B.消化道传播

C.飞沫传播

D.虫媒传播

E.输血传播

写出各单板：OUT，OMU，OAD、OBA、OSCL，NCP，OHP，OP，PWSB的全称及在ZXWM-32系统中位置及作用。