73. To extinguish an oil fire,
(A) use water.
(B) use a fire extinguisher, dirt, or a wet cloth or quilt to smother it.
(C) use any tree branches nearby.
答案:登入後查看
統計: A(0), B(2), C(0), D(0), E(0) #2215362
統計: A(0), B(2), C(0), D(0), E(0) #2215362