In 2000 the Programme for International Student Assessment (PISA) at the OECD, a rich-country club, began tracking academic attainment by the age of 15 in 32 countries.
在2000年，全球学生评估计划(PISA)在OECD——一个富有的俱乐部，开始在32个国家对15岁的学生进行学术评估。
In 2000 the Programme for International Student Assessment (PISA) at the OECD, a rich-country club, began tracking academic attainment by the age of 15 in 32 countries.
在2000年，全球学生评估计划(PISA)在OECD——一个富有的俱乐部，开始在32个国家对15岁的学生进行学术评估。
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