行政楼层的管理为一套（）的接待服务系统。
A、联合运转
B、联合控制
C、独立核算
D、独立运转
参考答案：D
如图，在Rt△ABC中，∠C=90°，∠ABC的平分线BD交AC于点D．若BC=4cm，BD=5cm，则点D到AB的距离是（ ）
A．5cm
B．4cm
C．3cm
D．2cm
— Did you enjoy the book?
— Yes, it was so interesting that I could hardly ____ it. [ ]
A. get rid of
B. break away from
C. keep away from
D. tear myself away from
