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The research on classification ability is more in kindergartens and more in primary schools. Research by cognitive psychologists has found that children under 0-1 years old basically have no classification ability, and they mainly rely on individual perception. The classification ability of children aged 1-3 has begun to sprout, but the concept of "category" has not yet formed. The classification of children aged 3-5 is basically still based on external perceptible dimensions such as shape and color. For example, children in small classes in kindergartens are asked to classify red plastic balls, red apples and bananas. They will divide the balls and apples together, either according to the shape (circle) or according to the color (red), but they will not put apple kernel bananas together according to the function (edible). What if you add another celery?白袍银枪，英姿勃发，神采四溢。继母因无力负担生活，将苏菲和她的两个姐姐都送到了制帽店去当学徒。两个姐姐很快先后就离开了制帽店去追寻各自的梦想，只有苏菲坚持了下来。一天，小镇旁边来了一座移动堡垒，传说堡垒的主人哈尔专吸取年青姑娘的灵魂，所以小镇的姑娘都不敢靠近。2. Any change in heading and/or speed made to avoid collision shall be large enough to be easily detected by other ship's vision or radar observation if the environment permits at that time; A series of minor changes in course and/or speed should be avoided.至于有人说，武侠剧不就是那样子，怎么新起来？对此，真正知道天启的人都会嗤之以鼻，《白发魔女传》小说还没有出来的时候，你们知道什么是新武侠吗？《笑傲江湖》还没有出来的时候，你知道武侠能这样吗？……时间一分一秒坚定不移的行走着，很快夜幕拉开，万家灯火亮起。你妹妹是女子，大了便不好嫁，又有皇上催着，只能出此下策。而你的未来，应该是站在最高的山顶上，迎接整个世界的喝彩。