1. understand the main idea (despite his wealth, Sam Walton remains down-home and devoted to his team) and the structure of the text; 2. appreciate the use of indirect description in portraying person: 3. grasp the key language points and grammatical structures in the text

Contents Teaching Objectives Background Information Text Organization Words and Expressions Grammatical Structures Questions

Part 1 Objectives Part 2 Background Part 3 Text Organization Part 4 Language Study Part 5 Translation

Part 1 Objectives Part 2 Background Part 3 Text Organization Part 4 Structure Study Part 5 Language Points Part Translation

Part 1 ObjectivesPart Part 2 Background Part 3 Ddiscussion Part 4 Language Points Part Ccontent Questions Part 6 Translation

Text A Tony Trivisonno's American Dream Part 1 Obiectives Part Discussion Questions Part3 Background Part 4 Text Structure Part Lanquage Points

Text A Public Attitudes toward Science Part 1 Objectives Part 2 Cultural Notes Part 3 Text Structure Part 4 Language Points Part 5 Content Questions

为了延长系统的传输距离,人们主要在减小色散和损耗方面入手。1310nm光 传输窗口称之为0色散窗口,光信号在此窗口传输色散最小,1550m窗口称 之为最小损耗窗口,光信号在此窗口传输的衰减最小

1密码学导引 密码学是一门研究秘密信息的隐写技术 的学科 密码学技术可以使消息的内容对(除发送 者和接收者以外)的所有人保密. 可以使接收者验证消息的正确性 是解决计算机与通信安全问题重要技术 之一

4.5 网络信息安全