When I was in Grade eight, I took part in another contest and won first prize.
在我八年级的时候，我参加了另一个比赛，并获得了第一名。
After having lunch, I spent most of the rest time in editing a document about the first volume of biology textbook for grade eight students.
吃过午餐之后，我花了很多时间在编辑一个八年级生物上册的文档。
Methods A total of 11 307 effective samples were obtained from first grade and second grade junior and senior high school students, who were from 28 schools in eight Chinese cities.
方法对北京、绍兴、广州、太原、哈尔滨、鄂州、重庆和贵阳8个城市28所中学的初一、初二、高一、高二学生11 307名进行人体测量。
Methods A total of 11 307 effective samples were obtained from first grade and second grade junior and senior high school students, who were from 28 schools in eight Chinese cities.
方法对北京、绍兴、广州、太原、哈尔滨、鄂州、重庆和贵阳8个城市28所中学的初一、初二、高一、高二学生11 307名进行人体测量。
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