【目录】 Unit 1 Welcome back to school Part A（1）Let's talk & Look and say Part A（2）Let's learn & Let's chant Part A（3）Let's spell 双休作业（一） Part B（1）Let's talk & Look and say Part B（2）Let's learn & Let's chant Part B（3）Start to read & Let's check Let's sing 双休作业（二） Unit 2 My family Part A（1）Let's talk & Point and say Part A（2）Let's learn & Let's chant Part A（3）Let's spell 双休作业（三） Part B（1）Let's talk & Let's play Part B（2）Let's learn & Let's chant Part B（3）Start to read & Let's check Let's sing 双休作业（四） Unit 3 At the zoo Part A（1）Let's talk & Draw and say Part A（2）Let's learn & Let's do Part A（3）Let's spell 双休作业（五） Part B（1）Let's talk & Make a monster Part B（2）Let's learn & Let's do Part B（3）Start to read & Let's check Let's sing 双休作业（六） Unit 4 Where is my car Part A（1）Let's talk & Let's play Part A（2）Let's learn & Let's do Part A（3）Let's spell 双休作业（七） Part B（1）Let's talk & Let's play Part B（2）Let's learn & Let's do Part B（3）Start to read & Let's check Let's sing 双休作业（八） Unit 5 Do you like pears Part A（1）Let's talk & Let's play Part A（2）Let's learn & Let's chant Part A（3）Let's spell 双休作业（九） Part B（1）Let's talk & Let's play Part B（2）Let's learn & Let's chant Part B（3）Start to read & Let's check Let's sing 双休作业（十） Unit 6 How many Part A（1）Let's talk & Find and count Part A（2）Let's learn & Let's chant Part A（3）Let's spell 双休作业（十一） Part B（1）Let's talk & Let's find out Part B（2）Let's learn & Let's chant Part B（3）Start to read & Let's check Let's sing 双休作业（十二） 答案与详解 录音原文
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