Why does the author say that the boundary between middle age and old age cannot be defined exactly?
举一反三
- Which of the following life stage is not mentioned by the author? A: childhood B: old age C: middle age D: adolescence
- We think of infancy before childhood and middle age before old age, _____________ its own peculiar set of challenges.
- We think of infancy before childhood and middle age before old age , with each unique phase its own peculiar set of challenges.
- Why does the author say campus is a small society?
- What does the passage say about the authors of The New Digital Age ?