Teaching Design of Vocabulary LessonUnit 1 of the Obligatory Book Three in PEP Edition “Festivals around The World” Gushi high school, Shanglin Yang .Course analysisThe content of this class is the vocabulary in this unit; there are about eighty words in all. So I divided them into three parts-difficult words, key words and ordinary words. For difficult words, students should be able to read, write and use them in sentences; for key words, th