考研考试

【单选题】______ have an average of three children.
A．Pattern Ⅰ families
B．Pattern Ⅱ families
C．Pattern Ⅲ families
D．None of all

网考网参考答案：C
网考网解析：
[试题分析] 这是一道事实分析题。 [详细解答] 由文章第三段“The greatest amount of change from pattern I，however，is in pattern Ⅲ families，who no longer migrate at all．Both parents work full time in the area and have an average of three children”可知答案C是正确的。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>