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Friends May Be Key to Living Longer

Looking for the secret of a long life? Look closely at your friends. New research suggests that having a strong network of friends helps people live longer.

"Older people with better social networks of friends were less likely to _______（51）over a 10-year follow-up （随访） period than older people with_______（52） friends networks," Lynne C. Giles of Flinders University in Australia told Reuters Health.

But in what may come as a surprising finding to older people _______（53） rely on their children and other relatives, having a large network of relatives was not associated with longer life, according _______（54） Giles and her colleagues.

"Of course, that is not to say that social networks _______（55） children and other relatives are not important in many other ways," Giles said.

Study after study has shown that elderly people who_______（56） connected with lots of people tend to live longer lives. _______（57）, few studies have examined whether different types of relationships - with friends, partners, children and_______（58） relatives - have different effects on longevity （长寿）.

Giles's team set out to examine the relationship between various types of social networks and_______（59） in a group of almost 1,500 Australians who were at least 70 years_______（60）. Volunteers answered_______（61） about their social networks and then were followed for 10 years.

The researchers took into account several factors that could have influenced how long a person lived, _______（62） sex, age, health and smoking status.

What the study showed was_______（63） older people who reported better social networks of friends were_______（64） likely to be alive at the end of the study than people with fewer friends.

But relationships with children and other relatives did not have_______（65） effect on survival in the study.

51 A live B die C work D stay

52 A stronger B larger C newer D poorer

53 A which B whom C those D who

54 A at B to C on D by

55 A by B on C of D in

56 A is B are C was D were

57 A However B Once C Further D Moreover

58 A older B richer C some D other

59 A loneliness B longevity C activity D happiness

60 A big B long C old D ago

61 A doubts B questions C studies D tests

62 A taking B including C accepting D offering

63 A if B when C this D that

64 A less B more C very D most

65 A each B every C an D all

答案：51 B 52 D 53 D 54 B 55 C56 B 57 A 58 D 59 B 60 C61 B 62 B 63 D 64 B 65 C