[讨论]大全I-2

melodyflying

论原因

Civic Leader：hazardous material produced at plant→high cancer

Board of Directors：local wells that  supply drinking water are polluted→high cancer rate

C选项hazardous material produced at plant→local wells that supply drinking water are polluted

不久成功weaken了吗 说到底还是如civic leader所述

[此贴子已经被作者于2009/9/13 18:36:09编辑过]