3鞭炮或是火柴
(A)ㄅ.花崗岩
(B)ㄆ.石灰岩
(C)ㄇ.石墨
(D)ㄈ.硫磺

答案:登入後查看
統計: A(0), B(0), C(0), D(6), E(0) #2511097