【学习目标】
1. Use what you have learned in the former class and improve your expressing ability.
2. Learn the method of developing your knowledge system through self- practice and cooperative exploration.
3. Enjoy the happiness of using English correctly and appropriately.
【知识体系构建】
1. lack: v. & n. 意思： _______________
总结lack的动词和名词用法：
_______________________________________________________________________
_______________________________________________________________________
2.归纳：“全神贯注与，专注于”(不同的表达方式) ____________________ __________________
________________________ _____________________ _______________________
______________________ _____________________ ________________________.
答案：
1. 缺乏，短缺 ① v. lack (in) sth. ② adj. be lacking in ③ n.a lack of sth.; for lack of : 因缺乏
2. focus one’s attention on; fix one’s attention on; devote oneself to;
be devoted to; apply oneself to; be applied to; absorb oneself in;
