184. Figure 1 Figure 2 Figure 3 Which of the following statements is correct?
(A) All of the signs above are stop-and-check signs.
(B) Only Figure 2 is a stop-and-check sign.
(C) OnlyFigure 1 and Figure 2 are stop-and-check signs.
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料