Unit 1 Welcome back to school!
第1课时 Part A Let's talk & Look and say
第2课时 Part A Let's learn & Let's chant
第3课时 Part A Let's spell
阶段复习（一）
第4课时 Part B Let's talk & Look and say
第5课时 Part B Let's learn & Let's chant
第6课时 Part B Start to read， Let's check Let's sing
阶段复习（二）
Unit 2 My family
第1课时 Part A Let's talk & Point and say
第2课时 Part A Let's learn & Let's chant
第3课时 Part A Let's spell
阶段复习（一）
第4课时 Part B Let's talk & Let's play
第5课时 Part B Let's learn & Let's chant
第6课时 Part B Start to read， Let's check Let's sing
阶段复习（二）
Unit 3 At the zoo
第1课时 Part A Let's talk & Draw and say
第2课时 Part A Let's learn & Let's do
第3课时 Part A Let's spell
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