Spiegel-Student-Pisa-Test
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The Student Pisa 2009 was a survey designed for students to determine their general education in German-speaking countries and to query information about their studies. For the...
2009年学生国际学生评估项目（PISA）调研是一项面向学生的专项调查，旨在评估德语区学生的通识教育水平，并调研其学业相关情况。本次调研的……
