修订版前言
初版前言
CENERAL INTRODUCTION TO CECL(for the teacher)
UNIT 1: PROCESSES AND CYCLES
UNIT 2: ADVERTISING
UNIT 3: SPORTS
UNIT 4: JOBS
UNIT 5: REVIEW
MID-TERM TEST
UNIT 6: GENERATIONS AND THE FAMILY
UNIT 7: HISTORY AND GOVERNMENT
UNIT 8: TOURISM
UNIT 9: ENVIRONMENT & RESOURCES
UNIT 10: REVIEW
FINAL TEST