GMAT语法题OG详解71,140.docx

GMAT语法题OG详解71/140　GMAT语法改错的难度一方面来自题干，另一方面来自选项，因为我们要依靠选项之间的差别来获得信息、寻求提示，其实这就反映了GMAT语法改错答案的特点--永远只有相对正确而不寸在绝对正确。接下来小编就给大家介绍一下GMAT语法题，希望对大家备考GMAT语法考试有帮助。　　71. Along the major rivers that traverse the deserts of northeast Africa, the middle East, and northwest India, the combination of a reliable supply of water and good growing conditions both encouraged farming traditions that, in places, endure in at least 6,000 years.　　(A) good growing conditions both encouraged farming traditions that, in places, endure in　　(B) good growing conditions encouraged farming traditions that have, in places, endured for　　(C) of good growing conditions have encouraged farming traditions that, in places, endured for　　(D) of good growing conditions both encouraged farming traditions that have, in places, endured　　(E) of good growing conditions encouraged farming traditions that have, in places, been enduring for　　答案解析如下：　　(A)good growing conditions both encouraged farming traditions that, in places, endure in　　【错误1】 动词时态：“endure”是一般现在时，而“encouraged”是一般过去时，这一时态差异不存在合理解释(在过去无法鼓励一个“一般地或现在持续”的“传统”)。　　【错误2】 固定搭配：“endure in”无法表示“持续多长时间”的含义。　　【错误3】 简洁明了：“combination”本身已经表达了“both”的含义，因此与“both”语义重复。　　(B)good growing conditions encouraged farming traditions that have, in places, endured for　　【正确】 “a reliable supply of water”和“good growing conditions”用“and”连接平行在主语“the combination of”之后，“encouraged”是主语的谓语动词。　　【大意】 可靠的供水与良好的种植环境的结合鼓励产生了已经持续超过6000年的耕作传统。　　(C)of good growing conditions have encouraged farming traditions that, in places, endured for　　【错误】 主谓一致：“have encouraged”的主语是“the combination of……”核心词是抽象名词“combination”，应接单数谓语动词，因此主谓不一致。　　(D)of good growing conditions both encouraged farming traditions that have, in places, endured　　【错误】 简洁明了：见(A)中【错误3】。　　(E)of good growing conditions encouraged farming traditions that have, in places, been enduring for　　【错误】 动词时态：“have been enduring”是现在完成进行时时，而“encouraged”是一般过去时，这一时态差异不存在合理解释(在过去无法鼓励一个“到现在还在持续”的“传统”)。　　【最优解题思路推荐】　　(C)中主谓不一致，立即排除。　　(A)和(E)“endure”的时态不合