Unit2 Language-welcome教案

the analysis of this unit: this unit introduces and develops the theme on language.the aim of this unit:1. provide ss a good chance to gain some knowledge about english and its history.2. the reading strategy helps ss learn about the writing features in a typical history article and learn effective ways to read these articles.3. enable ss to conduct a survey and write a report.4. help ss apply what they’ve learnt to design a booklet.teaching periods: period 1: welcome to the unit and listening period 2-4: reading and language focus period 5- 6: word power period 7—9 grammar and usage, including exercises in the workbook period 10-12: task  period 13-15: project period 16—18: english weekly   period 1 welcome to the unit and listeningthe an