| A.Nation. | B.Opinion. |
| C.Business. | D.Science. |
| A.decide who is more likely to enjoy a happier life. |
| B.gather information for the National Institutes of Health. |
| C.find out the link between personality and health. |
| D.compare each woman’s personality changes. |
| A.Negative emotions cause a shorter life indeed. |
| B.The more optimistic you are, the longer life you may enjoy. |
| C.It’s uncertain whether optimism affects one’s health. |
| D.There may be some link between personality. |
| A.A woman who doesn’t exercise. |
| B.woman who always doubts what others say. |
| C.A woman with high blood pressure. |
| D.A woman with poor physical health. |
| A.Necessary. | B.Useless. |
| C.Unfair. | D.meaningless. |