Unit 1 Companies I. Lead-in II. Listening Ⅲ. Speaking IV. Take It Home Unit 2 Seeking for a Job I. Lead-in II. Listening Ⅲ. Speaking IV. Take It Home Unit 3 Career Life I. Lead-in II. Listening Ⅲ. Speaking IV. Take It Home Unit 4 Business Etiquette I. Lead-in II. Listening Ⅲ. Speaking IV. Take It Home Unit 5 Business Travel I. Lead-in II. Listening Ⅲ. Speaking IV. Take It Home Unit 6 Customer Service I. Lead-in II. Listening ……