阿摩線上測驗
174. What is unique about the material developed by EcoPack Solutions?
(A) It is cheaper than plastic.
(B) It is made from recycled metal.
(C) It decomposes quickly.
(D) It is waterproof.
答案：登入後查看
統計： A(6), B(70), C(155), D(0), E(0) #3782106
統計： A(6), B(70), C(155), D(0), E(0) #3782106
