填空题

The secret to happiness is keeping busy, research has found. Keeping the mind (36) with tasks—no matter how meaningless—staves off (赶走) negative emotions, the study found.
However, the bad news is that humans seem hard-wired (天生的) to be lazy in order to save energy, according to Professor Christopher Hsee, a behavioral scientist at Chicago University.
In a study 98 students were asked to complete two surveys. After they had completed the first they were made to wait 15 minutes to receive the next one. They were given a choice of either handing in the first (37) nearby or at a more distant location they had to walk to. Whichever option they chose, they received a chocolate bar. Two-thirds (68 per cent) chose the lazy (38) . Those who had taken the walk reported feeling happier than those who had stayed (39) .
Prof Hsee (40) keeping busy helped keep people happy. He said the findings, reported in the journal Psychological Science, had policy (41) "Governments may increase the happiness of idle citizens by having them build bridges that are (42) useless," he proposed. At the individual level, he advised, "Get up and do something. Anything. Even if there really is no point to what you are doing, you will feel better for it. " He (43) , "Incidentally, thinking deeply or engaging in self-reflection (44) as keeping busy, too. You do not need to be running, around—you lust need to be (45) , either physically or mentally. "
A．study I．survey
B．added J．solutions
C．thought K．occupied
D．option L．concluded
E．engaged M．counts
F．especially N．put
G．increased O．actually
H．implications

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