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    精英家教网 > 高中英语 > 题目详情
    9．It's safe to eat food after the"best before"date on the package，______ the food will no longer at its best．（　　）
    A．soB．butC．untilD．before

    分析 在食品包装袋上的"最佳日期"后吃食物是安全的，但是食物不再是"最佳的"．

    解答 答案：B
    解析：A因此；所以；B但是；C直到；D在…之前．根据前面的"在最佳日期前吃食物是安全的"与后面的"食物不再是最佳的"可知两者之间的关系为"转折"，故本题答案为B选项．其余选项均不符合题意．

    点评 本题考查连词辨析．做此类题目时一定要熟悉每个连词的含义并结合用法与其在句中的成分来选择合适的答案．

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