国家开放大学：2006—2007学年第一学期“开放专科”软件开发与应用专业计算机专业英语期末试题（1月）

《新编大学英语》综合教程（第三版第一册）B1U4_self-market_B1U04 QUIZ_B1U04 Written Quiz

《新编大学英语》综合教程（第三版第一册）B1U4_self-market_B1U04 QUIZ_B1U04 Oral Quiz

国家开放大学：2007—2008学年第一学期“开放专科”软件开发与应用专业计算机专业英语期末试题（1月）

《新编大学英语》综合教程（第三版第一册）B1U1_self market_U1 Reading Material_一册第一单元 课文背景材料

科技英语不像普通英语那样具有感性形象思维,不具感情色彩,其目的是使读者容易理解而不产生太多的想象。也不经常运用比喻、排比、夸张等修辞手段,而是要准确表达客观规律,按逻辑思维清晰地描述问题

1. to know the three basic processes of PCM: Sampling Quantizing Encoding Teaching 2. to understand that PCM is the heart of technology in communications in Objectives

Unit 1 Invented Words I Objective Knowing the history of English vocabulary Understanding the composition of English vocabulary Learning reading skill: newspaper headlines Time Arrangement

1. Pre-reading Activity 2. While-reading Activity 3. Post-reading Activity

Stage 1: Warming-up Activities Stage 2: Reading-Centred Activities Stage 3: Vocabulary Exercises Stage 4: Translating and Writing