From the perspective of teaching tact, this paper reviews three characters in the technical class context which are popu-lar currently, namely, clear teaching objectives, causality as expected, and effective teaching program. Based on it, we find that teaching act as improvisational quality won’t show in the simple context, original complex context should be restored for teaching tact and the new class characterizes in emergences of teaching objectives, complex causality and back to teaching events should be construc-ted.% 本文从教学机智论的视角回顾了当前流行的技术型课堂情境脉络中的三个表征,即清晰的教学目标、预期的因果关系、有效的教学程序,并认为机智此种即兴品质在这种经过抽简后的单向、光溜、极速的情境脉络中无法找到落脚之处;提出了机智的教学则要复原教学原有的复杂性情境脉络,展望构建以“涌现的教学目标”“复杂的因素关系”“返回教学事件”为表征的机智型的新课堂。
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