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Introverts draw classrooms with seven to ten students .

内倾的学生画的教室里面有7到10个人。

That responsibility begins not in our classrooms but in our homes and communities .

这种责任不仅仅是从课堂才开始，而是从我们的家庭和社区开始的。

One solution favoured by left-leaning politicians is to keep all children in the same classrooms for longer .

左翼政治家支持的方案是能够让所有孩子在同一学校环境下接受更长时间的教育。

Severely overcrowded classrooms , lacking in trained teachers and basic supplies , are not uncommon .

严重拥塞的班级、合格教师的缺乏、基本供给的缺乏，并不是不普遍。

Sitting passively in crowded classrooms has other consequences , too . Researchers in amsterdam announced a significant positive relationship between physical activity and academic performance .

被动地坐在课室里面还有别的不良后果，阿姆斯特丹的研究员声称，身体活动和学习成绩之间的关系呈正相关。