C．by comparison D．by classification

　　答案：A　细节理解题。根据第四段中的第四句及下文中的解释可知，作者是通过举例子来支撑自己的观点的。故选A。

　　4．What can we learn from the last two paragraphs?

　　A．Chaplin wasn't aware of being laughed at.

　　B．The author feels helpless and sad about getting older.

　　C．Never be the one who laughs at other people.

　　D．The author is determined to face life with a sense of humor.

　　答案：D　推理判断题。根据倒数第二段中的"to know that there is a comedy out there"和最后一段中的"remember to laugh with humanity"可知，作者积极肯定幽默的价值，决定以幽默的态度来面对生活。故选D。

　　B

　　 Whether you're eating at a fancy restaurant or dining in someone's home, proper table manners are likely to help you make a good impression. According to a US expert, Emily Post, "All rules of table manners are made to avoid ugliness."

　　 While Henry Hitchings of the LosAngelesTimes admits that good manners can reduce social conflicts, he points out that mostly their purpose is protective-they turn our natural warrior­like selves into more elegant ones.

　　So where did table manners come from?

　　 In medieval England, a writer named Petrus Alfonsi took the lead to urge people not to speak with their mouths full. And King David Ⅰ of Scotland also proposed that any of his people who learned to eat more neatly be given a tax deduction (扣除)．

Disappointingly, that idea never caught_on. It was during the Renaissance, when there were real technical developments, that opinions of correct behavior changed for good. "None of these was more