修订版前言
初版前言
GENERAL INTRODUCTION TO CECL(for the teacher)
UNIT 1: LANGUAGE
UNIT 2: ENTERTAIMENT
UNlT 3: ANCIENT CIVILIZATIOINS
UNIT 4: SCIENCE AND TECHNOLOGY
UNIT 5: REVIEW
MID-TERM TEST
UNIT 6: SOCIAL PROBLEMS
UNIT 7: INTERNATIONAL RELATIONS
UNIT 8: ECONOMICS AND TRADE
UNIT 9: ⅣlYTHS AND RELIGIONS
UNIT 10: REVIEW
FINAL TEST
