【判断题】Scaffolding refers to the layer of skill or knowledge which is just beyond that which the learner is currently capable of coping with.
【简答题】在C语言中使用到的变量,都应先( 1 ),后( 2 )。
【单选题】Which of the following is currently the least popular type of data collection?
B.
mall-intercept interviews
C.
door-to-door interviews
【判断题】Zone of Proximal Development used to refer to the layer of skill or knowledge which is just beyond that which the learner is currently capable of coping.
【判断题】( )晶体管电压调压器必须与硅整流发电机配套使用。
【单选题】1956年4月,毛泽东在调查研究的基础上发表了一篇重要讲话,讲话深刻论述了正确处理经济建设和社会发展中的一系列重大关系。这篇讲话是( )
【多选题】单片机的最小系统由四部分构成,分别是__________。