约1320字。

　　Unit3  Life in the future导学案 
　　Period 1 Words and expressions 
　　Learning Aims:1) to master the pronunciation of the words and expressions in Unit3;
　　2). to master the basic usage of some important words and expressions ,especially those in Bold.
　　Learning methods: Task-based teaching and learning, group-discussion and performance.
　　Learning procedures :1、pronunciation  2、usage  3、feed-back
　　Step I. Master the pronunciation of the new words and expressions following the tape or the teacher.(twice) （A级）
　　1.、自主梳理: Let the students point out the words which are difficult to pronounce.
　　2、合作探究: Students read the words together and teach each other until the pronunciation problem is settled. （B级）                                                   
　　3、Get several groups to lead the Ss to read the new words and expressions and score the result. （B级）
　　StepⅡ. 小组探究：Master the basic usage of some key words and expressions and try
　　your best to memorize some ,especially those in Bold.
　　1、Divide all the words into 6 teams and group-discussion.
　　Team1(impression/)                 Team2(tap)
　　Team3(previous/adjustment)          Team4(surrounding/receiver)
　　Team5(lack/fasten)                  Team6(lose sight of/ desert)
　　2、According to the arranged tasks, prepare to make performances on the blackboard.
　　1)  impression  (cn.) 印象；想法；感觉                  （B级）
　　a. the deep impression______     b.第一印象____       .
　　【用法点拨】leave/make a （deep/strong/great） impression on sb.给某人留下… …的印象
　　Liang Chaowei’s performance (表演)in this film            a deep impression      me.
　　他的演讲给听众(audience)留下了深刻的印象。                             
　　【联想拓展】
　　①impress vt.  使... ...印象深刻;给予某人深刻印象
　　The sights(景色) of the city impress foreign tourists(游客).                                
　　②impressive adj.   给人印象深刻的；感人的
　　一部印象深刻的电影                 
　　2). tap ①接受，拿起; ②占用(时间或空间); ③开始(学习或从事某事等);     ④继续某事                                   （C级）
　　Guess the meaning of tap in each sentence.
　　a. Lu Xun dropped medicine（医学）and took up writing.