口译的要求
UNIT ONE The United Nations
UNIT TWO The United States
UNIT THREE The United Kingdom
UNIT FOUR Canada
UNIT FIVE Australia and New Zealand
UNIT SIX Africa
UNIT SEVEN Europe
UNIT EIGHT World Trade
UNIT NINE Environment
UNIT TEN Science and Technology
UNIT ELEVEN Economy and Welfare
UNIT TWELVE Education
UNIT THIRTEEN Social Problems
UNIT FOURTEEN Sports
