雅思写作

unit 0 introduction
unit 1 fast food
unit 2 sport
unit 3 media
unit 4 youth issues: computer use
unit 5 education: study abroad
unit 6 advertising
unit 7 education: schools
unit 8 environment
unit 9 food
unit 10 censorship
unit 11 transport
unit 12 leisure activities
unit 13 technology
unit 14 money and finance
unit 15 youth issues
unit 16 commodities and manufactured goods
unit 17 social issues: population
unit 18 international events
unit 19 technology: communication
unit 20 environment: tourism
vocabulary bank
answer key