P25 4-1 Introduce yourself Unit 4 Introduce yourself P26 4-2 Talk 1 Talk 1 P27 4-3 Practice Practice P28 4-4 Song Song P29 4-5 Talk 2 Talk 2 P31 4-6 Listen Listen and number Listen and tick Listen and read P32 4-7 Story Story 活动手册 III. Listen and number. 听一听，标序号。 VI. Listen, tick and match. 听一听，勾一勾，连一连。