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(未完待续……) show_style();。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?　　暂定13集的《校园时代 Schooled》定于90年代，主角包括Glascott校长﹑Mellor教练及Lainey Lewis（Tim Meadows﹑Bryan Callen及AJ Michalka饰演），他们虽然有怪癖﹑个人生活有点疯狂，但仍然是学生们心目中的英雄。Brett Dier饰演C.B.，此角色是改编自母剧主创Adam F. Goldberg的老师兼朋友，C.B.是名年轻﹑活跃的老师，在课堂上以滑稽的方式与学生互动，他亦是菜鸟老师Lainey Lewis的朋友/对手。　　黄旭华（黄晓明 饰）：以核潜艇下潜极限为故事压力点和戏剧转折点，再现我国自主研发核潜艇的艰难历程。