道路施工应当事先征得道路主管部门的同意，影响交通安全的，还应当征得公安机关交通管理部门的同意。
参考答案：对
Rome was not built in a day. You should set goals and work hard to achieve them. [ ]
A. alternative
B. considerable
C. subjective
D. realistic
一氧化碳中毒时皮肤、口唇颜色为
A．皮肤发绀B．口唇呈樱桃红色C．皮肤呈青铜色D．皮肤黄染E．皮肤苍白
