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
Unit 1 阶段复习（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
Part C Story time
Unit 1 阶段复习（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
Unit 2 阶段复习（一)
Part B(1) Let's try & Let's talk
Part B(2) Let's learn & Look and talk
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