152 Which of the following are extremely dangerous areas, and lingering in these areas should be avoided?
(A) Roads which have small rocks falling;
(B) Rockfall catchment fences or disfigured and twisted road railings;
(C) All of the above.

答案:登入後查看
統計: 尚無統計資料

詳解 (共 1 筆)

#6877872
1. 題目解析 題目問的是哪些區域被認為...
(共 714 字,隱藏中)
前往觀看
0
0