Unit 1 Environment .......................................................................... 001
Unit 2 Sanitation and Health ............................................................ 024
Unit 3 Agriculture ............................................................................. 052
Unit 4 Economy ............................................................................... 073
Unit 5 Politics ................................................................................... 087
Unit 6 Technology .............................................................................111
Unit 7 Sports .................................................................................... 130
Unit 8 Law ........................................................................................ 150
Appendix Audioscript, Translation and Key to Exercises.................... 172