A. 第1组 1. viable 2. overcome 3. identity 4. extensive 5. aspiration 6. ideal

B. 第2组 A. to successfully control a problem that prevents you from achieving sth B. a strong desire to have or achieve sth C. sb.'s identity is their name or who they are D. able to be done E. perfect, or the best possible F. containing or dealing with a lot of information and details