认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。
注意:每个空格只填1个单词。请将答案写在答题卡相应题号的横线上。
The family sphere (范围) used to be defined by its isolation from the public realm. There was the public male realm (领域)of "rational accomplishment" and cruel competition, and the private female and child-rearing sphere of home, intuition (直觉) and emotion. The private realm was supposed to be isolated firm the realities of adult life. For both better and worse, television and other electronic media tend to break down the difference between those two worlds. The membrane around the family sphere is much more permeable (可渗透的).