题目内容：
根据材料请回答Since we are social beings, the quality of our lives depends in large measure on our in-terpersonal relationships.46Social support consists of the exchange of resources a- mong people based on their interpersonal ties.Those of us with strong support systems appear better able to cope with major life changes and daily hassles (困难)47 .Studiesover a range of illnesses, from depression to heart disease, reveal that the presence of so-cial support helps people fend off (挡开) illness, and the absence of such support makes poor health more likely.
48 .First, friends, relatives, and co-workers may let us.know that they value us.49 .Second other people.Of ten provide us with informational support. 50 .Third, we typically find social companionship supportive. Engaging in leisure-time activities with others helps us to meet our social needs while at the same time distracting us from our worries and troubles.Finally, other people may give us instrumental support, financial aid, material resources, and needed services that reduces stress by helping us resolve and cope with our problems.
A.People with strong social ties live longer and have better health than those without such ties
B.They help us to define and understand our problems and find solutions to them
C.Our self-respect is strengthened when we feel accepted by others despite our faults and difficulties
D.Social support cushions (缓解) stress in a number of ways
E.Helping a sick neighbor with some repair work is an example of social companionship
F.One strength of the human condition is our tendency to give and receive support from one another under stressful circumstances
请选择（46）处的最佳答案
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