Unit 1 How tall are you
Part A（1）Let's try & Let's talk
Part A（2）Let's learn & Do a survey and report
双休作业（一）
Part B（1）Let's try & Let's talk
Part B（2）Let's learn & Match and say
Part B（3）Read and write
Part B（4）Let's check & Let's wrap it up
双休作业（二）
Unit 2 Last weekend
Part A（1）Let's try & Let's talk
Part A（2）Let's learn & Do a survey and report
双休作业（三）
Part B（1）Let's try & Let's talk
Part B（2）Let's learn & Look and talk
Part B（3）Read and write
Part B（4）Let's check & Let's wrap it up
双休作业（四）
Unit 3 Where did you go
Part A（1）Let's try & Let's talk
Part A（2）Let's learn & Listen，answer and write
双休作业（五）
Part B（1）Let's try & Let's talk
Part B（2）Let's learn & Look and say
Part B（3）Read and write
Part B（4）Let's check & Let's wrap it up
双休作业（六）
Unit 4 Then and now
Part A（1）Let's try & Let's talk
Part A（2）Let's learn & Find the mistakes
双休作业（七）
Part B（1）Let's try & Let's talk
Part B（2）Let's learn & Listen，match and say
Part B（3）Read and write
Part B（4）Let's check & Let's wrap it up
双休作业（八）
Recycle Mike's happy days
Day 1 A beautiful farm
Day 2 Farmers' market
Day 3 Life on the farm
Day 4 Mike's day on the farm
Day 5 Mike and his new friends：Part 1
Day 6 Mike and his new friends：Part 2
Day 7 Mike's surprise
Day 8 A farewell party
Recycle 阶段自测
