《学习目标》 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. 《知识体系构建》 unit 3 1. tom is pleasant to work with. 句型结构___________________________________ 请用这个句型自主设计例句_________________________________________________________________