连接北京和香港九龙的铁路干线是[ ]
A．京沪线
B．京哈线
C．京九线
D．京包线
答案：C
迟到早退五次做旷课（）节计算。
A、1
B、2
C、3
D、4
Many of the students turned a deaf ear to his advice, they knew it to be valuable．
A．as if
B．now that
C．even though
D．so that
