公共关系部门的基本职能有()
参考答案:决策参谋职能,信息情报职能,社会外交职能,内部协调职能
_________,this kind of disease can do great harm to people there.
A.Occurring where
B.It occurs where it is
C.Where does it occur
D.Wherever it occurs
下列情况中只是因为误差而引起结果不准确的是[ ]
A. 测量时物体的边缘未对准“0”刻度线
B. 刻度尺本身刻度不均匀
C. 观察时视线未能与刻度尺垂直
D. 读数时没有再估读一位数字