视距是指汽车司机能看到前方车辆或道路障碍物所必需的（）距离。
参考答案：最短
Mary and Jane are both very quite, but ______them, their younger brother Tom is quite naughty.
A．like
B．alike
C．unlike
D．with
对进口汽车、摩托车，报关员应向海关申请签发“进口付汇证明书”，进口货物收货人凭以向国家交通管理部门办理牌照申领手续。( )
