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天然存在的易于裂变的材料只有()。

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2022-01-02 21:33
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U-235

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逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
用历史唯物主义相关原理分析下列材料: (材料1)爱因斯坦认为:“科学是一种强有力的根据,怎样用它?究竟是给人带来幸福还是带来灾难,全取决于人自己,而不取决于工具。刀子在人类生活上是有用的,但它也能用来杀人。” (材料 2)科学悲观主义认为,目前世界上存在的全球性问题,如环境污染、失业、战争、民族文化的衰退、精神堕落、贪图享受等,都是科学的罪过,要解决目前存在的问题,就应该回复到不要科学的古代社会甚至原始社会状态中去。 (材料 3)科学乐观主义则认为,科学技术可以解决一切社会问题,随着科学技术的不断发展,科学技术会提供解决一切社会问题的手段,真挚可以依靠自然科学去解决资本主义的各种矛盾。 请回答:材料 2 与材料 3 在本质上是否相同?
用历史唯物主义相关原理分析下列材料: (材料1)爱因斯坦认为:“科学是一种强有力的根据,怎样用它?究竟是给人带来幸福还是带来灾难,全取决于人自己,而不取决于工具。刀子在人类生活上是有用的,但它也能用来杀人。” (材料 2)科学悲观主义认为,目前世界上存在的全球性问题,如环境污染、失业、战争、民族文化的衰退、精神堕落、贪图享受等,都是科学的罪过,要解决目前存在的问题,就应该回复到不要科学的古代社会甚至原始社会状态中去。 (材料 3)科学乐观主义则认为,科学技术可以解决一切社会问题,随着科学技术的不断发展,科学技术会提供解决一切社会问题的手段,真挚可以依靠自然科学去解决资本主义的各种矛盾。 请回答:比较材料卜 2 、 3 ,请回答马克思列宁主义是如何看待科学技术的?
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
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