A、They are life-threatening diseases.
B、They are overprescribed antibiotics.
C、They are new species of big insects.
D、They are antibiotic-resistant bacteria
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A、They are life-threatening diseases.
B、They are overprescribed antibiotics.
C、They are new species of big insects.
D、They are antibiotic-resistant bacteria
时间：2021-07-17 21:16 关键词： 综合类 语言 英语六级 2017年6月《大学英语六级》真题（卷二）
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