◎ 题干
In part of China, some people still have difficulty gaining       to social services.
A.assistanceB.helpC.accessD.benefit
◎ 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“In part of China, some people still have difficulty gaining to social services.A.assistanceB.helpC.accessD.benefit…”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。