URL是FTP的地址编码，采用URL可以用一种统一的格式来描述各种信息资源（）
参考答案：错
--- I am shocked at the news that many pupils were killed in the terrible traffic accident.
--- So am I. Little ____ the safety of the poor children.
A．cared the local government about
B．the local government cared about
C．did the local government care about
D．was the local government cared about
大型养路机械液压油的工作温度应在（）左右。
A、40℃
B、45℃
C、50℃
D、60℃
