2. 外语
  3. Laughter is not the same as humor. Laughter is the physiological response to humor. Laughter consists with two parts—a set of ge

Laughter is not the same as humor. Laughter is the physiological response to humor. Laughter consists with two parts—a set of ge

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问题 Laughter is not the same as humor. Laughter is the physiological response to humor.
Laughter consists with two parts—a set of gestures and the production of a sound. 【M1】______.
When we laugh, the brain pressures us to conduct both of these activities simultaneously.
When we laugh hearty, changes occur in many parts of the body, even 【M2】______.
the arm, leg, and trunk muscles. If you want to get specific about it, it works 【M3】______.
like this: Under certain condition, our bodies perform what the Encyclopedia 【M4】______.
Britannica describes as "rhythmic, vocalized, expiratory, and an involuntary 【M5】______.
actions"—better know as laughter. Fifteen facial muscles contract and stimulation 【M6】______.
of the zygomatic major muscle occurs. Meanwhile, a respiratory system is upset 【M7】______.
by the epiglottis half-closing the larynx, so that air intake occurs regularly, 【M8】______.
making you gasping. In extreme circumstances, the tear ducts are activated, so that 【M9】______.
while the mouth is opening and closing and the struggle for oxygen intake
continues, the face becomes moist and often red. The noises that usually company 【M10】______.
this bizarre behavior range from sedate giggles to boisterous guffaws.
【M5】
选项
答案去掉an
解析 (and后面连接的成分与前面的几个形容词表并列；身体的动作并非泛指，且为复数形式。故将不定冠词an去掉。)
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本试题收录于： B类竞赛（英语专业本科专科）题库大学生英语竞赛（NECCS）分类
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B类竞赛（英语专业本科专科）

大学生英语竞赛（NECCS）

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