题目

某同学对①鲫鱼②蟾蜍③啄木鸟④大熊猫四种动物的主要特征进行比较，正确的是( ) A . ①②③④体内都有脊柱 B . ③④是哺乳动物 C . ①②都用鳃呼吸 D . ②③④是恒温动物 答案：A阅读下面的短文，并根据文章后的要求答题。（请注意问题后的词数要求） LONDON—Middle age is miserable for many, according to a study using data from 80 countries showing that depression （a feeling of sadness and hopelessness） is most common among men and women in their 40s．       The British and U．S．researchers found that happiness for people in 72 countries ranging from Albania to Zimbabwe follows a U-shaped curve（曲线）：Life begins cheerful before turning tough during middle age and then returning to the joys of youth in the golden years．       “For the average persons in the modern world，the dip in mental health and happiness comes on slowly, not suddenly in a single year,’’ Andrew Oswald at Britain’s Warwick University, who co-led the study, said．“Only in their 50s do people emerge from this low period．”       About eight nations---mostly in the developing world—did not follow the U-shaped pattern for happiness levels，Oswald and his colleague David Blanchflower of Dartmouth College in the United States wrote． “It happens to men and women，to single and married people，to rich and poor, and to those with and without children,” Oswald said．“Nobody knows why we see this consistency．’’ One possibility may be that people realize they won’t achieve many of their ambitions at middle age，the researchers said．       Another reason could be that after seeing their fellow middle-aged peers begin to die，people begin to_________ and embrace（拥抱）life once more，researchers speculated．       The study’s findings generally reflect previous research that shows people gain a sense of satisfaction as they age，said Laura L．Carstensen，director of the Center on Longevity at Stanford University．       “Shrinking time horizons tend to change people’s goats．”she said．“We predict that people will experience more emotional satisfaction as they age．” 1．What is the best title of the passage? ﹝Please answer within 10 words．﹞ ___________________________________________________________________________ 2．Which sentence in the passage can be replaced by the following one?       At the beginning people are happy, then people are in low spirits in their middle age but happy again as they age． ___________________________________________________________________________ 3．Please fill in the blank in the seventh paragraph with proper words or phrases to complete the sentence．（Please answer within 10 words．） ___________________________________________________________________________ 4．What are the possible ways to fight against depression?（Please answer within 30 words,） ___________________________________________________________________________ 5．Translate the last paragraph into Chinese． ___________________________________________________________________________