A．showhow supercilious doctors are
B．showhow nurses dislike doctors
C．illustrate the importance of shared experiences in using humor
D．illustrate the author's capability of understanding humor
A．Making remarks about the poor service of the hotel with a group of hotelwaiters.
B．Complaining about the dullness of newspaper content with some editors of it.
C．Commenting on the greediness of lawyers with several solicitors.
D．Teasing the inflexibility of traffic wardens with a group of drivers.
A．preparation in advance
B．theway one speaks
C．innate sense of humor
D．calmfacial expression
A．howone can be naturally humorous
B．howto make humor work well
C．wherehumor can come from
D．howpractice can make one's humor perfect