[部优] Unit 9 Picnics are fun_第一课时
[部优] Unit 7 Travelling in Garden City_第一课时
[部优] Unit 6 Nobody wins (I)_第一课时
[部优] Unit 8 A more enjoyable school life_第三课时
[部优] Unit 9 The wind is blowing_第一课时
[部优] Unit 5 A story by Mark Twain_第一课时
[部优] Unit 6 Hard work for a better life_第一课时
[部优] Unit 2 Our animal friends_第一课时
[部优] Unit 4 Jobs people do_第一课时
[部优] Unit *11 Electricity_第一课时
[部优] Unit 9 International Food Festival_第一课时
[部优] Unit 10 A birthday party_第一课时
[部优] Unit 4 All about films and TV_第一课时