A-A+
In the early 1980s the drinking water of 65 0
问题详情
In the early 1980s, the drinking water of 65,000 people in Silicon Valley was found to be polluted by ______.请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：a leaking underground storage tank。
a leaking underground storage tank。 解析：根据题干中的1980s和65,000定位到San Jose标题下的Problems段第一句，题干对原文进行了改写。
