题目内容
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 |
B
解析
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题目内容
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 |
B
解析