Lesson 1-Thinking as a Hobby I. Word study Word list. 1. acquaintance 8. heady 2. anguish 9. hustle 3. bulge 10. impediment 4, confer 11. integrate 5. contemplate 12, muscular 6. contempt 13. proficient 7. exalt 14. stampede WBTL「 BACW B T L E Lesson 1—Thinking as a Hobby I. Word Study Word list: 1. acquaintance 2. anguish 3. bulge 4. confer 5. contemplate 6. contempt 7. exalt 8. heady 9. hustle 10. impediment 11. integrate 12. muscular 13. proficient 14. stampede