1. grasp the important words and phrases in the two units and improve your ability to express yourself in english. 2. learn the method of constructing knowledge trees through self-study and cooperative exploration. 3. enjoy the beauty of english with a strong passion. ***************************book 3 unit 5基础知识*************************** ⅰ重点词汇 1. surround vt. 环绕，围绕 1) our school is surrounded by /with trees. 我们学校被树环绕。 2) surrounded by the anxious fans, the singer could hardly move.
