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In fact, you may have heard about the new superbugs, which are antibiotic-resistant bacteria that have developed as a result of overprescribed antibiotics.
出自-2017年6月聽力原文
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When this water is used for agricultural irrigation, farmers risk absorbing disease-causing bacteria, as do consumers who eat the produce raw and unwashed.
出自-2016年6月閱讀原文
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Farmers and consumers may be affected by harmful bacteria.
出自-2016年6月閱讀原文