Mr. Brown lives on Green Street now. He wants to send a postcard(寄明信片) to his pen friend in Toronto, but he doesn't know where the post office is. “ where is the post office？” he asks his new neighbor Joe. “I want to send a postcard to Toronto.” “The post office is quite far from here，” answers Joe. “If you only want to post some letters(信件) or postcards, you needn't go to the post office. You can put them into a mailbox（信箱）down the street.”

下列各句中，划线词语的意义与现代汉语相同的一项是（  ）

依次填入下面句子横线处的词语最恰当的一项是（    ）

    散文犹如中国文学园地中的一朵奇葩，在几千年的发展中，留下了许多的经典名作，着一代代炎黄子孙，每一篇佳作都是历史的折射，记录着历史的。我们从中不仅能文学的精髓，还能了解时代的变迁。

某中学历史研究性学习小组选题《中国封建王朝落日辉煌的实践》，请问以下哪位人物可以作为研究对象(   )