[单项选择]A. Laughter is good for health. B. Laughter is terrifying sometimes.
C. Laughter is very comfortable. D. Laughter is good for social communication.

[填空题]
When the OEO of Lotus, manufacturer of computer software, interviews job candidates, he looks (31) people who can laugh out loud. At the headquarters of ice-cream maker Ben ＆ Jerry’s, the "Minister of Joy" supervises the "Joy Gang", (32) has the job of spending $10, 000 a year planning and implementing workplace fun. Odetics, maker of video security systems and other recording equipment, considered it an honor when Industry Week called it "the wackiest place to work in the U. S. ".
In corporate America today, humor is a serious business. Workers have been downsized, reengineered, restructured, and overworked for so long they have forgotten how to smile and laugh. To remind them, companies are posting amusing notes and cartoons on (33) . boards, building libraries of humorous books for workers to read, sponsoring "fun at work" days, "laughter" committee

[填空题]The situations about which laughter is acceptable change with ______.

[填空题]Laughter was distributed as a characteristic common to mankind because of its ______.

[简答题]Section C Laughter is a fundamental part of everyday life. It is so common that we forget how strange-and important-it is. Indeed, laughter is a "speaking in tongues" in which we’re moved by an unconscious response to social and linguistic cues. Stripped of its variation and nuance, laughter is a regular series of short vowel-like syllables usually transcribed as "ha-ha", "ho-ho" or "hee-hee". These syllables are part of the universal human vocabulary, produced and recognized by people of all cultures. Given the universality of the sound, our ignorance about the purpose and meaning of laughter is remarkable. We somehow laugh at just the right times, without consciously knowing why we do it. Most people think of laughter as a simple response to comedy, or a cathartic mood-lifter. Instead, after ten years of research on this little-studied topic, I concluded that laughter is primarily a social vocalization that binds people together. Students in my classes conf