Coronavirus disease 2019
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COVID-19 is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19 can vary but often include fever,[7] f...
学生回答出“点分十进制”及学生上台完成“十进制与二进制”转换都是理想状态。用如何设计学号来介绍网络号与主机号的概念很好，但是这部分讲解需要放慢节奏、尽量启发学生思考，做好足够的铺垫，后门的问题才能顺利。整个教学环节的逻辑顺序是经过设计的，基本合理。