阅读和观察下面的材料及漫画,结合教材知识回答问题。
(1)材料和漫画分别说明了什么?共同告诉我们一个什么道理?
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(2)一个有理想、有目标、有追求的人,会怎样对待网络?
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(3)作为中学生,我们在网络交往中应怎样保护自己?
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