【学习目标】
To master the new words, phrases and expressions.
【重点难点】
How to make students understand and master all the words and phases and use them properly.
Make students remember all the important contents including some sen tence s tructures.
【学习内容】
1. survey n. 纵览,视察,测量v. 审视,视察,通盘考虑,调查1. We stood on the top of the mountain and surveyed the countryside. 我们站在山顶上，眺望乡村。
2. A quick survey of the street showed that no one was about. 扫视街道, 空无一人。
2. add v. 增加
