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    4．I have battled with ______ whether I should keep the extra money given to me or return it to the seller．（　　）
    A．consciousnessB．perseveranceC．motivationD．conscience

    分析 我备受良心的煎熬，我是否应该留下多得的钱还是退还给卖家．

    解答 答案：D
    A．consciousness意识，观念； B．perseverance 耐性，毅力； C．motivation动机，动力；  D．conscience  良心，道德心；  分析句意可知，由于whether从句表达的意思属于道德层面上的内容，即纠结于是否将多得的钱退还给卖家；故选D

    点评 本题考查了名词的词义辨析．在做类似的题时，首先应根据完整句子的句意提示，并结合选项中各名词的意思，进行逻辑推理，从而判断出空缺处应填的单词．因此，在平时的学习中，一定要积累一些词汇量，并熟练掌握它们的意义及用法．

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