| A.very fat | B.very thin |
| C.good-looking | D.young-looking |
| A.of great intelligence |
| B.of complete failure |
| C.with an optimistic view on life |
| D.with a passive view on life |
| A.Cell. | B.Change. | C.Progerin. | D.Progeria. |
| A.To praise Sam Berns for his hardwork. |
| B.To show how famous Sam Berns was. |
| C.To encourage readers to live a positive life. |
| D.To show how Sam Berns dealt with challenges. |