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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1856

Over the years the European Union has made great efforts to _______ the safety of food and protect the health of its people.

A.discover B.ensure C.revise D.react
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OvertheyearstheEuropeanUnionha