Recently, researchers in the US have carried out a study on laughing, one of the most natural characteristics of human behavior.
Jo-Anne Bachorowsky, a psychology professor at Vandebilt University,
36 a team of researchers who 37 a total of 11 short videos to 97 young adult volunteers in the US. They found that the participants produced a 38 of sounds when they laughed,
39 grunts(呼噜声) and snorts(哼声).
The researchers found that some of the
40 were dependent
41 gender(性别). Men laughed with grunts and snorts more often than women,
42 women’s
43 was more song-like.
They also found that people’s laughter could change,
44 who they were with at the time. Whether they were with a man or a woman and
45 person was a friend or a
46 both played a part in laughter.
The researchers found that women’s laughter was very high with a
47 pitch(音高) when they were with male strangers. And women taking
48 in the study laughed more often when they were with a male friend than when they were with a(n) 49 friend or a male stranger. But men laughed more freely with friends of either sex than with strangers of either sex.
Scientists believe that the
50 consumed in laughing 100 times is
51 to 15 minutes on an exercise bike. Another
52 of laughter is
53 it improves our mental health. Laughter reduces our levels of stress. It also helps us
54 serious illness.
55 ,we think laughter can make us feel good.
| 小题1: | | A．got | B．led | C．undertook | D．worked |
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| 小题2: | | A．returned | B．provided | C．showed | D．read |
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| 小题4: | | A．including | B．containing | C．having | D．possessing |
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| 小题5: | | A．ways | B．differences | C．studies | D．columns |
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| 小题8: | | A．cry | B．sound | C．voice | D．laughter |
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| 小题9: | | A．depending on | B．to depend on | C．depend on | D．depended on |
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| 小题10: | | A．other | B．the other | C．another | D．others |
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| 小题11: | | A．passers-by | B．relative | C．stranger | D．teacher |
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| 小题12: | | A．same | B．similar | C．various | D．changeable |
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| 小题13: | | A．action | B．part | C．exercise | D．duty |
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| 小题14: | | A．male | B．young | C．old | D．female |
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| 小题15: | | A．food | B．energy | C．pressure | D．memory |
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| 小题16: | | A．short | B．easy | C．equal | D．good |
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| 小题17: | | A．way | B．content | C．intention | D．benefit |
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| 小题18: | | A．why | B．that | C．how | D．because |
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| 小题19: | | A．fight | B．remove | C．break | D．deal |
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