America is growing older. Fifty - eight years ago, only 4 out of every 100 people in the United States were 65 or older. To day, 10 out of every 100 Americans are over 65. The aging of the population will affect（影响）American society in many ways—education, medicine, and business. Quietly, the graying of America has made us a very different society—one in which people have a quite different idea of what kind of behavior（行为） is suitable（合适）at various , ages.
A person s age no longer tells you anything about his/her social position, marriage or health. There’s no longer a particular year in which one goes to school or goes to work or gets married or starts a family. The social clock that kept us on time and told us when to go to school, get a job, or stop working isn’t as strong as it used to be. It doesn’t surprise us to hear of a 29 - year - old university president or a 35 - year -old grandmother, or a 70 year - old man who has bee a father for the first time. Public ideas are changing.
Many people say, “I am much younger than my mother— or my father— was at my age. ”No one says“Act your age” any more. We’ve stopped looking with surprise at older people who act in youthful ways.
【小题1】It can be learnt from the text that the aging of the population in America .A．has made people feel youngerB．has changed people’s social positionC．has changed people’s understanding of ageD．has slowed down the country’s social development【小题2】The underlined word “one” refers to .A．a societyB．AmericaC．a placeD．population【小题3】“Act your age” means people should .A．be active when they are oldB．do the right thing at the right ageC．show respect for their parents young or oldD．take more physical exercise suitable to their age【小题4】If a 25 - year - old man bees general manager of a big firm, the writer of the text would most probably consider it .A．normalB．wonderfulC．unbelievableD．unreasonableC
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(答案→)C
解析：
【小题1】C 推理题。根据第一段倒数两行和文章第二段内容people have a quite different idea of what kind of behavior（行为） is suitable（合适）at various , ages. 和Public ideas are changing.说明美国人对年龄的看法已经有了变化。故C正确。
【小题2】A 推理题。根据the graying of America has made us a very different society—one in which people have a quite different说明这里的one与前面的a very different society是一个同位语关系，就是指a very different society故A正确。
【小题3】B 推理题。根据Many people say, “I am much younger than my mother— or my father— was at my age. ”No one says“Act your age” any more.说明这里的“Act your age”是指做你所做的年龄该做的事情，现在这种情况已经有了很大的变化。故B正确。
【小题4】A 推理题。根据第二段最后三行It doesn’t surprise us to hear of a 29 - year - old university president or a 35 - year -old grandmother, or a 70 year - old man who has bee a father for the first time. Public ideas are changing.说明人们对年龄的看法已经有了很大的变化，对于题目中的事情会感觉很正常。故A正确。