题目内容
19．You'd better travel around Nanjing with a local tour guide ______ you want to know more about its culture．（ ）| A． | unless | B． | until | C． | although | D． | if |
分析 如果你想了解更多的南京文化的话．你最好带一位当地的导游在南京旅行．
解答 答案：D．
联系语境并根据前后句子的对比，其中"想了解更多的南京文化"是"你最好带一位当地的导游在南京旅行"的条件．所以用if引导条件状语从句，意为"如果"．故选D．
点评 本题主要考查连词的用法，做此类题目一定要弄清句意，明白上下文之间的关系，才能更好地判断出所要用的连词．
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