在学校生活中,我们有时会遇到这种现象:对成绩不好的同学嗤之以鼻;对相貌丑陋的同学避而远之;对穿戴朴素的同学指指点点……
(1)你所在的班级或学校有上述现象吗?表现是什么?
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(2)上述材料中所述现象是什么行为?
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(3)青少年学生对待上述现象的正确态度是什么?
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