41. To make your humor work, you should .
［A］ take advantage of different kinds of audience.
［B］ make fun of the disorganized people.
［C］ address different problems to different people.
［D］ show syMPAthy for your listeners.
42. The joke about doctors implies that, in the eyes of nurses, they are .
［A］ impolite to new arrivals.
［B］ very conscious of their godlike role.
［C］ entitled to some privileges.
［D］ very busy even during lunch hours.
43. It can be inferred from the text that public services .
［A］ have benefited many people.
［B］ are the focus of public attention.
［C］ are an inappropriate subject for humor.
［D］ have often been the laughing stock.
44. To achieve the desired result, humorous stories should be delivered .
［A］ in well-worded language.
［B］ as awkwardly as possible.
［C］ in exaggerated statements.
［D］ as casually as possible.
45. The best title for the text may be .
［A］ Use Humor Effectively.
［B］ Various Kinds of Humor.
［C］ Add Humor to Speech.
［D］ Different Humor Strategies.
Text 2
Since the dawn of human ingenuity, people have devised ever more cunning tools to cope with work that is dangerous, boring, burdensome, or just plain nasty. That compulsion has resulted in robotics-the science of conferring various human capabilities on machines. And if scientists have yet to create the mechanical version of science fiction, they have begun to come close.
As a result, the modern world is increasingly populated by intelligent gizmos whose presence we barely notice but whose universal existence has removed much hum an labor. Our factories hum to the rhythm of robot assembly arms. Our banking is done at automated teller terminals that thank us with mechanical politeness for the transaction. Our subway trains are controlled by tireless robo-drivers. And thanks to the continual miniaturization of electronics and micro-mechanics, there are already robot systems that can perform some kinds of brain and bone surgery with submillimeter accuracy-far greater precision than highly skilled physicians can achieve with their hands alone. But if robots are to reach the next stage of laborsaving utility, they will have to operate with less human supervision and be able to make at least a few decisions for themselves-goals that pose a real challenge. “While we know how to tell a robot to handle a specific error,” says Dave Lavery, manager of a robotics program at NASA, “we can't yet give a robot enoug
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