Unit 1 National Flag

Unit 2 Holidays in the US

Unit 3 A UN Tour(Ⅰ)

Unit 4 A UN Tour(Ⅱ)

Unit 5 Bill Clinton:Inaugural Address

Unit 6 Yale Student s Expulsion

Unit 7 Discovering Britain

Unit 8 Royal Britain

Unit 9 London

Unit 10 Monopoly

Unit 11 Canada s Constitution(Ⅰ)

Unit 12 Canada s Constitution(Ⅱ)

Unit 13 Vancouver

Unit 14 Zoo life

Unit 15 Crocodiles

Unit 16 McNamara s War(Ⅰ)

Unit 17 McNamara s War(Ⅱ)

Unit 18 Killing of the Innocent