以下词语均为以前学过的较难词语或者是题目说明文字里出现的词语，上课前注意掌握或认识。
1．structure 结构；建筑 2.wonder 奇观；惊奇 3.surveyor (建筑物)鉴定人；检验员 4.collapse 倒塌，坍塌 5.fall into ruins 变成废墟 6.false 错误的；假的 7.present 把……交给；颁发 8.cultural imprint 文化印记；文化记忆
1．Have you ever been to the Great Wall?
[参考答案] Yes, I have./No, I haven't.
2．What's your impression about the Great Wall?
[参考答案] The Great Wall is very magnificent, winding along the mountains like a Chinese dragon.
