A classroom full of 10-year-old students is asked to solve a problem with children crossing the street on the way to school.
10岁的小学生们坐满了整间教室，他们得按照要求解决一个关于上学途中安全过马路的问题。
Shanghai's 15-year-old students were recently ranked first globally in math and reading as per the standardized PISA metric.
最近在一项按照标准PISA度量的测试项目中，中国上海15周岁在校生在数学和阅读素养方面名列全球第一。
He read books to find new ideas for his classes, visited with colleagues, kept up with old students, wrote letters to distant friends.
他博览群书为他的课寻找新的思想内容，他走访同事们，与毕业的学生保持联系，给远方的朋友写信。
He read books to find new ideas for his classes, visited with colleagues, kept up with old students, wrote letters to distant friends.
他博览群书为他的课寻找新的思想内容，他走访同事们，与毕业的学生保持联系，给远方的朋友写信。
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