C.difficultyun第二节(共10小题:每小题1.5分,满分15分)D.courage阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。The history of siheyuan (courtyard house)in Beijing can be traced back to more than0years ago e61Beijing established its status as the capital city.sakind of rditiChinese relic,siheyuan represents the 62Siheyuan is a closed rectangular se(capital)architectural style.