Being sociable looks like a good way to add years to your life．Relationships with family, friends, neighbours, even pets, will all work, but the biggest longevity (长寿) increase seems to come from marriage or an equal relationship．The effect was first noted in 1858 by William Farr, who wrote that widows and widowers (鳏夫) were at a much higher risk of dying than their married peers．Studies since then suggest that marriage could add as much as seven years to a man's life and two to a woman's．The effect holds for all causes of death, whether illness, accident or self-harm．

　　Even if the conditions are not good for you, marriage can more than compensate．Linda Waite of the University of Chicago has found that a married older man with heart disease can expect to live nearly four years longer than an unmarried man with a healthy heart．Likewise, a married man who smokes more than a pack a day is likely to live as long as a divorced man who doesn't smoke．There's a ________, however, as partners are more likely to become ill or die in the couple of years following their husband's or wife's death, and caring for a husband or wife with mental disorder can leave you with some of the same severe problems．Even so, the odds favour marriage．In a 30-year study of more than 10,000 people, Nicholas Christakis of Harvard Medical School describes how all kinds of social networks have similar effects．

　　So how does it work? The effects are complex, affected by socio-economic factors, health-service provision, emotional support and other more physiological (生理的) parts．For example, social contact can increase development of the brain and immune system, leading to better health and less chance of depression later in life．People in supportive relationships may handle stress better．Then there are the psychological benefits of a supportive partner．

　　A life partner, children and good friends are all recommended if you aim to live to 100．The ultimate social network is still being mapped out, but Christakis says：“People are interconnected, so their health is interconnected．”

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阅读理解

　　Being sociable looks like a good way to add years to your life．Relationships with family, friends, neighbors, even pets, will all do the trick, but the biggest longevity boost(促进)seems to come from marriage or a supportive relationship．The effect was first noted in 1858 by William Farr, who wrote that widowers were at a much higher risk of dying than married men．Studies since then suggest that marriage could add as much as seven years to a man's life and two to a woman's．The effect holds for all causes of death, whether illness, accident or self-harm．

　　Even if you are in a difficult situation, marriage can more than make it up to you．Linda Waite of the University of Chicago has found that a married older man with heart disease can expect to live nearly four years longer than an unmarried man with a healthy heart．Likewise, a married man who smokes more than a pack a day is likely to live as long as a divorced man who doesn't smoke．There's a flip side, however, as partners are more likely to become ill or die in the couple of years following their partner's death, and caring for a partner with mental disorder can leave you with some of the same severe problems．Even so, marriage still helps．In a 30-year study of more than 10,000 people, Nicholas Christakis of Harvard Medical School describes how all kinds of social networks have similar effects．

　　So how does it work? The effects are complex, affected by socio-economic factors, health-service provision, emotional support and other more physiological mechanisms．For example, social contact can boost development of the brain and immune(免疫)system, leading to better health and less chance of depression later in life．People in supportive relationships may handle stress better．Then there are the psychological benefits of a supportive partner．

　　A life partner, children and good friends are all recommended if you aim to live to 100．The complete social network is still being mapped out, but Christakis says：“People are interconnected, so their health is interconnected．”

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完形填空

　　One day, a poor boy who was trying to pay his way through school by selling goods door to door found that he only had one dime left．He was hungry so he decided to 　　1　　 a meal at the next house．

　　However, he lost his 　　2　　 when a lovely young woman opened the door．Instead of a meal he asked for a drink of water．She thought he looked 　　3　　 so she brought him a large glass of milk．He drank it slowly, and then asked, “How much do I owe you?”

　　“You don't owe me 　　4　　,”she replied．“Mother has taught me never to accept 　　5　　 for a kindness．” He said, “Then I 　　6　　 you from the bottom of my heart．”As Howard Kelly left that house, he not only felt stronger 　　7　　, but it also increased his faith in God and the human race．He was about to give up and 　　8　　 before this point．

　　　　9　　 later the young woman became critically 　　10　　．They finally sent her to the big city, where specialists can be 　　11　　 to study her rare disease．Dr．Howard Kelly, now 　　12　　, was called in for the consultation(咨询)．When he 　　13　　 the name of the town she came from, a strange light 　　14　　 his eyes．Immediately, he rose and went down through the hospital hall into her room．He 　　15　　 her at once and determined to do his best to save her life．From that day on, he gave special attention to her 　　16　　．

　　After a long struggle, the battle was 　　17　　．Dr．Kelly requested the business office 　　18　　 the final bill to him for approval．He looked at it and then wrote something on the side．The bill was sent to her room．She was afraid to open it because she was sure that it would take the rest of her life to 　　19　　．Finally she looked, and the note on the side of the bill 　　20　　 her attention．She read these words…

　　“Paid in full with a glass of milk．”

　　(Signed)Dr．Howard Kelly

　　Tears of joy flooded her eyes as she prayed silently：“Thank you, God．Your love has spread through human hearts and hands．”

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