These 2 textbooks are designed for beginners. Textbook 1 (40 lessons) is for the first term and textbook 2 (40 lessons) for the second term. Stage 1: Lesson 1 ~ 20, about 20 new words in each lesson; Stage 2: Lesson 21 ~ 40, about 30 new words in each lesson; Stage 3: Lesson 41 ~ 80, about 40-50 new words in each lesson.