发布时间: 2017年08月01日
51. A to see whether people's personality affects their life span.
52. D They are more likely to get over hardship.
53. C Such personality characteristics as self-discipline have no effect on longevity.
54. D Mother's negative personality characteristics may affect their children's life spans.
55. B Longevity results from a combination of mental and physical health.
编辑推荐:
新东方英语四级://www.auscyc.com/wx1820/