发动机前置、后轮驱动（FR）的缺点
参考答案：
传动效率低，燃油经济性差；内部空间减小，地板高度高，乘坐舒适性差；易发生摆尾
-- I’ m surprised to hear that Sue and Paul have __ .
----So am I. They seemed very happy together when I last saw them.
A．broken up
B．finished up
C．divided up
D．closed up
传统的办公室在开发利用信息资源方面受到______的很大限制。
