主课文包括每单元的学习周(第一周和第二周)的“Big Book”和复习周(第三周)的“Read-Aloud Trade Book”共三本书。
由于各种原因,下载地址可能会失效。
UNIT 01: Families
U01W1: Whose Baby Am I
U01W2: The Picnic at Apple Park
U01W3: Peter's Chair
UNIT 10: I Know A Lot
U10W1: What Do You Know!
U10W2: Warthogs Paint
U10W3: Turtle Splash!