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  3. "You can’t buy happiness but it looks like you can at least inherit(遗传) it, " British and Australian researchers said on Thursda

"You can’t buy happiness but it looks like you can at least inherit(遗传) it, " British and Australian researchers said on Thursda

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问题     "You can’t buy happiness but it looks like you can at least inherit(遗传) it, " British and Australian researchers said on Thursday.
    A study of nearly 1000 pairs of identical and non - identical twins found genes control half the personality traits (特性) that make people happy while factors such as relationships, health and careers are responsible for the rest of our well - being.
    We found that around half of the differences in happiness were genetic, said Tim Bates, a researcher at the University of Edinburgh who led the study. It is really quite surprising.
    The researchers asked the volunteers - ranging in age from 25 to 75 - a series’ of questions about their personality, how much they worried and how satisfied they were with their lives.
    Because identical twins share the same genes and fraternal twins do not, the researchers could identify common genes that result in certain personality traits and predispose people to happiness.
    People who are sociable, active, stable, hardworking and conscientious tend to be happier, the researchers reported in the journal Psychological Science.
    What this study showed was that the identical twins in a family were very similar in personality and in well -being, and by contrast, the fraternal twins were only around half as similar, Bates said. That strongly implicates genes.
    The findings are an important piece of the puzzle for researchers trying to better understand depression and what makes different people happy or unhappy, Bates said.
    People with positive inherited personality traits may, in effect, also have a reserve of happiness to draw on in stressful times, he said.
    An important implication is that personality traits of being outgoing, calm and reliable provide a resource, we called it affective reserve’ that derives future happiness. Bates said.
The purpose of paragraph 7 is to inform us that_____.
选项 A、the fraternal twins’ happiness has nothing to do with genes
B、the identical twins’ happiness has nothing to do with genes
C、the difference between the identical twins and the fraternal twins
D、genes play an important part in one’s personality and happiness
答案D
解析 “What this study showed was that the identical twins in a family were very similar in personality and in well—being，and by contrast，the fraterhal twins were only around halt as similar．”Bates said．“That strongly implicates genes．”由此可知，D为正确选项。
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