In reading, the main focus of the PISA survey, more than 19% of the Shanghai students attained the top two grades, almost double the proportion in the u.
在PISA重点考察的阅读项目中,超过19%的上海学生都取得了最高两级的得分。
At that distance, it wasn't energy from the eruption itself that charged the ash, said study co-author Giles Harrison, a meteorologist at the University of Reading in the U. K.
来自英国雷丁大学的气象学家、火山灰共同研究者吉尔斯·哈里森认为如果以那么远的距离计算,火山喷发的能量本身不会是火山灰带电的原因。
Children in the U. S. and Sweden also took out fewer books from the library and spent less of their leisure time reading.
美国、瑞典两国的儿童也较少借阅图书馆的书籍,而且休闲时选择读书的时间也更少。
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