[部优] Unit 1 There wasn’t a clock here before._第一课时
[部优] Unit 2 They sell many different things._第一课时
[部优] Unit 1 We’ll see lots of very big stones_第一课时
[部优] Unit 2 Can you tell me about Christmas_第一课时
[部优] Unit 2 Some children are jumping in the river._第一课时
[部优] Unit 2 The name of the spaceship is Shenzhou V._第一课时
[部优] Unit 2 It’s more than four hundred metres high!_第一课时
[部优] Unit 1 I went to Chinatown in New York yesterday._第一课时
[部优] Unit 2 I often read English books._第一课时
