题目内容
波珀（波普尔）认为（ ）是科学不可缺少的特征，凡是不可能被经验证伪的问题，如本体论问题、形而上学问题、数学和逻辑上的重言式命题、宗教、神学和占星术都属于非科学。
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波珀（波普尔）论证科学与非科学的划界标准不是（ ）而是（ ），科学的方法不是（ ）而是（ ）。
Translate the following passage and retell it in your own words. （每空填入一句译文）CheongsamThe cheongsam is a female dress with distinctive Chinese features.It is evolved from a kind of ancient clothing of Manchu ethnic minority.At present, the cheongsamenjoys a growing popularity in the international world of high fashion.Easy to slip on and comfortable to wear, the cheongsam fits well the female Chinese figure.The dress is buttoned on the right side, with a loose chest and a fitting waist.The beauty of the cheongsam is that, made of different materials and to varying lengths, it can be worn either on casual or formal occasions.In either case, it creates an impression of simple and quiet charm, elegance and neatness.
数域P本身就是自身的1维向量空间。
因为n维行向量和n维列向量表示的都是n维向量，所以它们可以放在一起运算。
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