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During the "Double Eleven" period, not only colleges and universities, but also community express delivery was popular. The workload of these couriers is several times that of normal times. According to the forecast of the State Post Office, more than 1.5 billion packages may be generated during the "Double Eleven" this year. It is estimated that the annual express delivery volume will reach 40 billion pieces. If calculated according to the population of 1.3 billion, that is equivalent to an average of more than 30 express deliveries per person. The huge volume of express delivery has also brought about a large consumption of express packaging. In 2015, China's express delivery industry consumed about 9.922 billion packing boxes and 8.268 billion plastic bags. The total length of adhesive tape used was 16.985 billion meters, which could make 425 circles around the equator of the earth. So what will everyone do with these express packages after these express deliveries are delivered? During the interview, some citizens told reporters that "they usually threw it away" and the fillers in the express box were usually thrown away together with the packing box.1. Combustion process and flame retardant mechanism of fabrics该剧表现了陈云同志的人格魅力，体现了他心胸的开阔、淡定的心态、高尚的政治风度，并且很好地展现了中国共产党1921年前后到90年代初，特别是新中国的历史……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?母亲不幸去世后，16岁的弗兰克·哈代和12岁的弟弟乔从大城市搬到母亲的家乡布里奇波特避暑。他们的父亲，芬顿，确信他的妻子劳拉的死不是偶然的，并留下了他们的阿姨，因为他追查线索男孩。弗兰克和乔开始自己解开谜团，结果发现秘密比他们想象的还要深。当孩子们开始相信杀害他们母亲的凶手在布里奇波特，突然城里的每个人都成了嫌疑犯时，适应新环境的任务就变得更加困难了！传说中只要得到分散在地球的12个「超星神]就能有统治全宇宙的力量。邪恶的“宇宙海盗”抢夺全部的「超星神」，统治着全宇宙。在强大的邪恶势力面前，为了收复密封舱而英勇作战的叛乱军，也一筹莫展。