adjust, operate, otherwise, participate; clarify the meanings of sort out, help (sb.) out ,stick out, come across and improve the abilities of comprehension and memorizing. 2. learn to analyze and summarize the method of appropriate expression through self-directed study and cooperative exploration. 3. experience the beauty of english with a strong passion and crazy english. 《课前预习》 **************************** book 7 unit 3基础知识****************************
