learning aims: 1. to master the important usages of the key words and expressions. 2. to learn to use the structure properly. important and difficult point: to master the usage of of the key words and expressions. 《使用说明及学法指导》自学《同步测练》p language points, 完成预习案。(30分钟) 预习案previewing case task 1 单词拼写 1. _________ n. 省; 行政区 2. _________ n. 矛盾; 冲突 3. __________ n. 制度; 机制
