◎ 题干
Mrs. Obama introduced the Let’s Move _______ yesterday. Its goal is to reduce children obesity(肥胖) today and in the future.
A.challengeB.battleC.campaignD.behavior
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Mrs. Obama introduced the Let’s Move _______ yesterday. Its goal is to reduce children obesity(肥胖) today and in the future.A.challengeB.battleC.campaignD.b…”主要考查了你对  【可数名词及其单复数】【集合名词】【名词】  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。