The water in this part of the river has been contaminated by sewage (污水).

admin2009-06-15  32

问题 The water in this part of the river has been contaminated by sewage (污水).

选项 A、polluted
B、downgraded
C、mixed
D、blackened

答案A

解析
转载请注明原文地址:https://jikaoti.com/ti/kSNsFFFM
0

随机试题
最新回复(0)