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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?何霆微声道：又阿谀奉承。主要讲述了隐形富二代男主和买鞋店女主相遇相知滴欢喜冤家故事～求职受到挫折，现在自由职业者的寺田亚希（24岁）被同居的男朋友甩了，在朋友合租的房子里生活。在那里再会了的，是初中的同学，初次男朋友兼第一次「做了」对方·本行智也。近两年一直“不拍”的他，偶然与亚希接触后，不知为何反应很奇怪！！亚希答应绝对不...以保卫军器坊为名募兵，不用浙江的开支。