人类正规教育制度的建立，使教育从一般的生产和生活过程中分化出来成为一种独立存在的社会活动形式。正规教育制度建立的标志是（ ）。

(单选题)Why do many parents limit electronic reading? (单选题)Where can you find the data that best supports “children are (单选题)What is the Common Sense Media report probably about? (单选题)What can you learn from the passage? (单选题)Who wants Meiyu to come back home after her graduation in Ju (单选题)Why does Meiyu spend her free time on kung fu training with (单选题)What’s probably the meaning of the word “opportunities” in t (单选题)Where did Meiyu learn Chinese for four years? (单选题)50.（ ） (单选题)49.（ ）