◎ 题干
填入所缺单词完成句子。
      Many years ago people didn't travel by ______________. They didn't travel by ______________.
They didn't travel by ______________.
◎ 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“填入所缺单词完成句子。 Many years ago people didn't travel by ______________. They didn't travel by ______________.They didn't travel by ______________.…”主要考查了你对  【阅读能力】  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。