Paragraph Seven An analysis across the EU showed that nearly 1/5 British families areheadedby a single adult. And while 18.4% of families in this country have a solo parent,numbers come to just 12.7% in Germany, 14.4% in France and 10.6% in theNetherlands. In Belgium the share is 16.1%. In Ireland, it is 1 8.1%. 42. The p_________of single-parent families in European countries.
【正确答案】：proportion/ percentage
【题目解析】：本段介绍了欧洲单亲家庭的数据。欧盟的一项分析显示在1/5的英国家庭里只有一位成年人，而且单亲家庭的比率是18.4%。德国这一数字是12.7，法国是14.4%，荷兰是10.6%，比利时是16.1%，爱尔兰是18.1%。这些数据都是以百分比的形式出现，所以此处可以填写proportion或者percentage。
