视频来自网络，不做商业用途
视频来自网络，不做商业用途
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视频来自网络，不做商业用途
问题1：如果你是老师，学生假装网络卡了，你怎么识破？If you were the teacher, the students pretended that the network was stuck, how would you know?
问题2：马上要开始网课了，你的心情怎么样？你对自己有什么目标？ The online class is about to begin. How are you feeling and what are your goals for yourself?