他建议把7岁儿童的班级大小和考试结果相关联。
He suggested a link between class size and test results of seven-year-olds.
班级大小对学生对老师的看法有重要的影响。
Classs size has a significant impact on students' perceptions of their teacher.
班级大小对学生对老师的看法有重要的影响。
Class size has a significant impact on students' perceptions of their teacher.
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