题目内容：
What is mentioned as a major characteristic of the one-room school system in the second para graph？
参考答案：
答案解析：
单选题：What is mentioned as a major characteristic of the one-room
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- 题目类型：单选题
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Lilli, who took the shape of a pretty girl, was fashioned af
Lilli, who took the shape of a pretty girl, was fashioned after a German doll.
Of the reptile groups, the snake group was the final one to
Of the reptile groups, the snake group was the final one to appear.
患者男性，20岁，因反复突然意识丧失、全身对称性抽搐被诊断为原发性癫痫，其病因是（）
患者男性，20岁，因反复突然意识丧失、全身对称性抽搐被诊断为原发性癫痫，其病因是（）
口服有机磷杀虫药中毒症状发生时间是（）
口服有机磷杀虫药中毒症状发生时间是（）
格列本脲每天剂量范围是（）
格列本脲每天剂量范围是（）