阿摩線上測驗
11. This highly _______ water has a high environmental impact and therefore needs to be treated before being discharged to the
environment.
(A) endangered
(B) indigenous
(C) emerging
(D) contaminated
答案：登入後查看
統計： A(3), B(6), C(1), D(59), E(0) #3262337
統計： A(3), B(6), C(1), D(59), E(0) #3262337
