第6部分：完形填空（第51～65题，每题1分，共15分）
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。
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 C
56 B 57 A 58 D 59 B 60 C
61 B 62 B 63 D 64 B 65 C
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