道路交通事故中,在来车方向距事故现场( )m处竖立警告标志,防止其他车辆进入事故现场。
A.100 B.150C.200 D.250
参考答案:A
A sharp sword was found buried together with the royal carpenter, which was believed _____himself
against grave robbers. [ ]
A. used to defend
B. being used to defend
C. to be used to defending
D. to be used to defend
一个项目类型的主要方面包括?