This document outlines the curriculum for preschoolers aged 3-4 for the month of September. It includes 8 lessons covering topics like letters A and B, school supplies, the Mid-Autumn Festival, and a creative activity. Each lesson focuses on new vocabulary and reviews previous words through songs and practices identifying objects and forming simple sentences. Creative activities incorporate coloring, cutting, and gluing items into a backpack picture while saying sentences like "A book is in my backpack." Songs help reinforce the vocabulary.