决策支持系统是支持决策过程的一类信息系统,它向决策者提供决策时需要的信息支持,因此它只是辅助决策者做出决策,而不是 ______ 做出决策。
参考答案:代替决策者
Every time our teacher began his lesson, my mind would begin to ________, not intentionally
but habitually. [ ]
A. wander
B. wonder
C. think about
D. hide away
在Excel中,与函数“=AVERAGE(A1:A3)”等价的是______。
A.=A1+A2/2
B.=A1+A3/2
C.=(A1+A2+A3)/3
D.=A1+A2_A3/A1*A2*A3