某校九年级(1)班有许多同学只关心自己的学习,很少有人愿意参加集体活动;上课时经常有人讲话,影响老师教学;卫生打扫马虎,教室脏乱……”
结合材料分析:
(1)这个班级的学生会受到什么影响?
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(2)如何改变班级的这种情况?
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