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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?Intermediary mode:DNot on STEAM and other micro-honey, rightProxy mode refers to providing a proxy to an object and controlling access to the original object by the proxy object. The specific structure diagram is shown below.When traveling on icy and muddy roads, the top speed is 30 kilometers per hour.随着Montana的名声越来越响，少年成名的她面对蜂拥而至的各种诱惑不知所措。在父亲的建议下，回到故乡小镇，重新体会成名之前的平凡生活。她是否能明白自己真正想要的东西，清楚了未来的方向……