◎ 题干
课文填空。
根据课文原文,填入所缺内容.
★ It was not immediately obvious that water was     1     the development of life.
★ This produced   2  , which made it possible for life to develop.
★ I earned my passage by working as an unpaid hand, which   3  .
★ When they crossed the Rocky mountain, they    4   some mountain goats and even
      a grizzly and an eagle.
★ Many of them   5  riding wild horses and can win thousands of dollars.
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“课文填空。根据课文原文,填入所缺内容.★ It was not immediately obvious that water was1the development of life.★ This produced2 , which made it possible for life …”主要考查了你对  【单词、词组】  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。