题目

中国、日本、美国、澳大利亚都是太平洋沿岸的国家，据此回答有关人口及人口分布的叙述，正确的是          A．四国人口都集中分布在国土的东南部B．日本即将进入人口老龄化阶段C．中国城市化道路应按其他三国的模式进行D．美国是现在人才的重要迁入区 答案：B －How does he get to work? －He _________ a bike． －How long does it _________ him to get from home to the office? －It _________ him 20 minutes． [　　] A．rides; takes; takes B．rides; take; takes C．ride; takes; takes D．ride; take; takes