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They might eat something toxic and damage their health.
出自-2017年6月阅读原文
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We can tear apart the great grass cover of the western plains and pour toxic chemicals into the soil until the soil is dead and blows away in the wind.
出自-2013年12月听力原文
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Otherwise, no fish are able to survive in the naturally toxic lake.
2017年12月六级真题（第三套）阅读 Section C
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The agency is now investigating the toxic effects of some of the chemicals in the latest report.
2015年12月六级真题（第一套）阅读 Section A
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The developing brain, the report says, is particularly vulnerable to the toxic effects of certain chemicals these products may contain, and the damage they cause can be permanent.
2015年12月六级真题（第一套）阅读 Section A