Unit 1 Coffee break Unit 2 Relax or vou'II burn out! Unit 3 A great age to be Unit 4 Exploring the arts Review 1:Units 1-4 Unit 5 Make the world a better place Unit 6 Let's forget about it! Unit 7 World traveler Unit 8 Global messengers Review 2:Units 5-8 Unit 9 Tough choices Unit 10 Take care of yourself! Unit 11 Cash or charge? Unit 12 Keep in touch Review 3:Units 9-12