2017年12月英语四级考试阅读真题测试（4）含答案

Passage Two
51. 正确选项A。 to see whether people’s personality affects their life span
52. 正确选项 D。 They are more likely to get overhardship.
53. 正确选项 C。 Such personality characteristics asself-discipline have no effect on longevity.
54. 正确选项 D。 Mothers’negative personality characteristics may affect their children’s life spans..
55. 正确选项 B。 Longevity results form a combination ofmental and physical health.​