A.GradeB.SUM(Grade)/7C.AVG(Grade)D.SUM(Grade)/COUNT(Cno)
A. Grade
B. SUM(Grade)/7
C. AVG(Grade)
D. SUM(Grade)/COUNT(Cno)
“蓬生麻中,不扶而直”,“白沙在涅,与之俱黑”。这反映了哪种因素对人的发展的影响?()
A. 遗传
B. 环境
C. 教育
D. 主观努力
The line of computing jobs waiting to be run on a computer system might be a(71). The jobs are serviced in the order of their arrival,that is,the first in is the first out.
A. queue
B. stack
C. array
D. record
在智力技能形成的某一阶段,言语成为了智力活动的对象。该阶段是 ()
A. 原型操作
B. 原型内化
C. 操作定向
D. 原型定向