【单选题】能够比较两个数值大小的逻辑器件称为 ( )。
【单选题】压缩空气起动装置主要组成部分不包括______。
【判断题】Instructional design often begins with the design of teaching media. ( )
【简答题】To some people “instructional design” represents all that one needs to know about in order to create material and arrange conditions for learning to occur. Most often and for many people, “instructio...