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he added. A happy third degree friend— the friend of a friend of a friend— increases a person’s chances of being happy by 6 percent. “B ut every extra unhappy friend increases the likelihood that you’ll be unhappy by 7 percent,” Fowler said. The finding is interesting and it is useful,too,Fowler said. “Among other benefits,happiness has been shown to have an important effect on reduced mortality(死亡率 ),pain reduction,and improved cardiac(心臟的 ) better understanding of how happiness spreads can help us learn how to promote a healthier society,” he said. The study also fits in with other data suggested in 1984 that having $ 5,000 extra increased a person’s chances of being happier by about 2 percent. “A happy friend is worth about $ 20,000,” Christakis said. to the research,your happiness . nothing to do with your workmates or schoolmates something to do with anyone who has a close relationship with you on those who are in favour of you or are against you little to do with what social connections you have 提示 :推理判斷題。 ” 需用表示轉折的 but構成 “not...but...” 結構。 答案 :D is not the way you wish things to be,nor the way they appear to be, the way they actually are. 提示 :考查連詞用法。/ 提示 :at a loss 是固定短語 ,意為 “ 不知所措 ”。the C./。 答案 :B driver was at loss when word came that he would be arrested for speeding. 。put down “ 撲滅 ” 。slow down “ 慢下來 ”。 答案 :B 7.— How about your journey to Mount Emei? — Everything was wonderful except that our car twice on the way. down down do