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    6．     the direct personality of Americans is widely appreciated，it sometimes surprises foreigners．（　　）
    A．SinceB．IfC．WhenD．While

    分析 虽然美国人的直率个性受到广泛的赞赏，但它有时也会让外国人感到惊讶．

    解答 答案D．since"因为"，引导原因状语从句；if"如果"，引导条件状语从句；when"当…时"，引导时间状语从句；while表示"当…的时候"，引导时间状语从句；意为"尽管、虽然"，引导让步状语从句；意为"而、但是"，引导比较状语从句．分析可知前后两句话之间是逻辑上的"让步"关系，此时可排除A、B、C三项，故答案选D．

    点评 本题考查从属连词的用法．连词的用法辨析，要注意分析主从句之间的逻辑关系，再确定相应的连词，同时注意不同的连词的语义及用法区别．

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