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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 439

Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.

A.frequently B.significantly C.steadily D.consequently
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Chemicalpollutionwillbringabou