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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?　　由于大部分特务已经潜伏下来，为了找出他们，李虎奉命帮助侯老大越狱，没想到侯老大却伺机绑架了高震江团长的儿子高思明。高震江因为革命工作，与儿子失散多年，刚刚相认不久就得知儿子被绑架，立即命令全体出动搜剿侯老大和特务。此时李虎给石岩送来情报，原来侯老大的真正目的是武装袭击城南发电厂。石岩率领部队围歼特务，而千钧一发之际，李虎救走了侯老大。111. X.X.1584. Exposure Compensation《创造营宿舍日记》为大型青年团训节目《创造营2019》的衍生节目，主要内容为《创造营2019》学员们练习生活中宿舍的真人秀部分。主要包含学员日常生活互动，展示学员在舞台下、练习生活之余的状态。The "Special Provisions on Labor Protection for Female Workers" clearly stipulates that female workers enjoy 98 days of maternity leave, of which 15 days can be taken before childbirth. In case of dystocia, maternity leave shall be increased by 15 days; For those who have multiple births, the maternity leave will be increased by 15 days for each additional baby.在第一季结尾中，Jaha自愿留在太空中，换来方舟部分人成功降落到地球上的好消息。但百子们却在成功引爆驻地打败地表人后，被抓到气象山的隔离区中……Bellamy和Finn也在与地表人的打斗中生死未卜。而这一季的故事就从气象山、原方舟人和其他地球人种展开来。