Text A All the Cab Had Was a Letter Part 1 Objectives Part 2 Cultural Notes Part 3 Text Structure Part 4 Language Points Part Content 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

Part 1 Objectives Part 2 Discussion Part 3 Background Part 4 Structure Study Part 5 Language points Part 6 Content Questions

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

11.1 概述 11.2 D/A转换器 11.3 A/D转换器

10.1 概述 10.2 施密特触发器 10.3 单稳态触发器 10.4 多谐振荡器 10.5 555定时器及其应用

7.1 概述 7.2 只读存储器( ROM ) 7.3 随机存储器( RAM ) 7.4 存储器容量的扩展 7.5 用存储器实现组合逻辑函数

3.1 概述 3.2 半导体二极管门电路 3.3 CMOS门电路 3.4 其它类型的MOS集成电路 3.5 TTL门电路