笔试部分(80分) I、词汇:(10分) A. 根据句子意思及首字母提示完成单词: 1. Today the g _____ and many people realize the importance of saving these old city walls. 2. How did the a ____ Egyptians build the Great Pyramid? 3. Since then, people r _____ the Great Wall as a symbol of the Chinese nation. 4. The Great wall is a s ____ of the Chinese nation.