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．gotB．ledC．undertookD．worked【小题2】A．returnedB．providedC．showedD．read【小题3】A．partB．caseC．bitD．range【小题4】A．includingB．containingC．havingD．possessing【小题5】A．waysB．differencesC．studiesD．columns【小题6】A．onB．ofC．withD．from【小题7】A．thatB．whenC．whileD．how【小题8】A．cryB．soundC．voiceD．laughter【小题9】A．depending onB．to depend onC．depend onD．depended on【小题10】A．otherB．the otherC．anotherD．others【小题11】A．passers-byB．relativeC．strangerD．teacher【小题12】A．sameB．similarC．variousD．changeable【小题13】A．actionB．partC．exerciseD．duty【小题14】A．maleB．youngC．oldD．female【小题15】A．foodB．energyC．pressureD．memory【小题16】A．shortB．easyC．equalD．good【小题17】A．wayB．contentC．intentionD．benefit【小题18】A．whyB．thatC．howD．because【小题19】A．fightB．removeC．breakD．deal【小题20】A．All alongB．All the sameC．In summaryD．After allB
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(答案→)B
解析：
【小题1】考查动词，lead 表示“带领”和后面的team搭配。选B
【小题2】考查动词搭配：provide sth to sb“把…提供给某人”，选C
【小题3】考查名词搭配：a range of“各种各样的”选D
【小题4】考查介词，including是包括，表示各种各样的声音，包括呼噜声和哼声，选A
【小题5】考查名词：下面的描写是男女的差异。选B
【小题6】考查介词搭配：be dependent on“依赖于”选A
【小题7】考查连词，while可以表示对比。“然而”，选C
【小题8】考查上下文衔接，前面说Men laughed with grunts and snorts more often than women,后面应该是女性的笑声更像唱歌。选D
【小题9】考查现在分词做状语，表示：人的笑声会变，取决于他们和谁在一起。选A
【小题10】考查other的用法，这里是特指和他们在一起的另外一个人。选B
【小题11】考查名词：和朋友相对的是陌生人。选C
【小题12】考查形容词辨析：A. same要和the连用，B. similar相似的C. various 各种各样的， D. changeable易变的，这里表示当女性遇到男性陌生人时笑声很大音高也会变化。选D
【小题13】考查固定词组：take part in“参加”选B
【小题14】考查上下文：和前面的a male friend 相对应的是a female friend，选D
【小题15】考查名词：energy精力，句意是：笑100次和骑自行车锻炼15分钟消耗的能量是相同的。选B
【小题16】考查形容词，be equal to“和…相等”选C
【小题17】考查名词：后面说笑可以提高精神健康，说明是笑的好处。选D
【小题18】考查表语从句：that引导表语从句，只起连接的作用，不做成分。选B
【小题19】考查动词：fight serious illness “对抗严重的疾病”选A
【小题20】考查词组：最后一句话是对全文的总结，选C