my sister works in a (paper's factory \factory of paper\factory of papers \paper factory)为什么,请

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• my sister works in a (paper's factory \factory of paper\factory of papers \paper factory)为什么,请
• 英语翻译When I was a teenager growing up in France,I wanted to leave school and have my own life .The only way I could ___do___ this was to work in the local paper factory in my town ,or get married .I was very nervous when I told my ___father___ I wanted to leave school .I thought he would say ,“___NO___ You are going to the college .” I was very ___surprised___ when he said,“ OK,Let’s go to the paper factory.”Two days later,___he__ took me to the factor
• my sister works in a (paper's factory \factory of paper\factory of papers \paper factory)为什么,请
• 学校课外生物小组的实验园地是长35米 宽20米的矩形,为了便于管理.现要中间开辟一横两纵三条等宽的小道
• 为什么镁带燃烧前后测量发现生成物氧化镁的质量大于镁带的质量?该反应是否违背质量守恒定律呢?