1.[单选题]What can we learn from the findings of the two new studies?
A.Anxiety and depression more often than not cut short one’s life span.
B.Longevity results from a combination of mental and physical health.
C.Personality plays a decisive role in how healthy one is.
D.Health is in large part related to one’s lifestyle.
2.[单选题]What finding of the study might prove somewhat out of our expectation?
A.Easy-going people can also live a relatively long life.
B.Personality characteristics that prove advantageous actually vary with times.
C.Such personality characteristics as self-discipline have no effect on longevity.
D.Readiness to accept new ideas helps one enjoy longevity.
3.[单选题]What does the author imply about outgoing and sympathetic people?
A.They have a good understanding of evolution.
B.They are better at negotiating an agreement.
C.They generally appear more resourceful.
D.They are more likely to get over hardship.
4.[单选题]What does the recent study of Norwegian mothers show?
A.Children’s personality characteristics are invariably determined by their mothers.
B.People with unhealthy eating habits are likely to die sooner.
C.Mothers’ influence on children may last longer than fathers’.
D.Mothers’ negative personality characteristics may affect their children’s life spans.
5.[单选题]The aim of the study in the Journal of the American Geriatrics Society is ______.
A.to see whether people’s personality affects their life span.
B.to find out if one’s lifestyle has any effect on their health.
C.to investigate the role of exercise in living a long life.
D.to examine all the factors contributing to longevity.