【Earth&Sky】科学家指责农药_英语听力练习mp3下载-科学-沪江听力酷

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【Earth&Sky】科学家指责农药

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Tyrone Hayes: You know I've gone from really being a little kid who really just loves the outdoors, really just loves the wildlife, to being a professional scientist, and a teacher, to then using those skills to become an [-----1-----] to get involved in public policy.

You're listening to Tyrone Hayes, biologist at the University of California – Berkeley. Over years of examining the impacts of pesticides on amphibian and human health, Hayes has become an advocate for [-----2-----] the pesticide Atrazine now widely used in the U.S. He told EarthSky he thinks it's time for scientists to begin speaking out.

Tyrone Hayes: There are people who feel that a scientist has to be objective, and you can't get involved in the politics, and public presentations and things. And I feel very differently. I think the people who have an understanding of the science and who know the science are very much the people who should be presenting to public, and helping lawmakers understand what the real [-----3-----] are.

Hayes' research indicates exposure to Atrazine causes [-----4-----] in frogs and has been linked to cancer in humans.

Tyrone Hayes: [-----5-----] — while at the same time, we're really putting the environment at risk.

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