밑줄 친 단어의 쓰임이 어법상 바르지 않은 것은?The ①35-year… | [법원직 9급 영어] 10년 1회차 기출문제 상세 페이지

밑줄 친 단어의 쓰임이 어법상 바르지 않은 것은?
The ①35-year-old federal law regulating tap water is so out of date ②which the water Americans drink can pose what scientists say are serious health risks — and still be legal. Only 91 contaminants are regulated by the Safe Drinking Water Act, yet more than 60,000 chemicals ③are used within the United States, according to Environmental Protection Agency estimates. Government and independent scientists have scrutinized thousands of ④those chemicals in recent decades, and identified hundreds associated with a risk of cancer and other diseases at small concentrations in drinking water, according to an analysis of government records by The NewYork Times.

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