◎ 题干

Over the years the European Union has made great efforts to _______ the safety of food and protect the health of its people.
A.discoverB.ensureC.reviseD.react
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Over the years the European Union has made great efforts to _______ the safety of food and protect the health of its people.A.discoverB.ensureC.reviseD.react…”主要考查了你对  【动词短语】【动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。