题目

阅读下列材料，回答： 材料一  下图是薰衣草北半球主要产区分布示意图。 材料二  薰衣草的商业栽培，主要是要取得薰衣草的花来提取薰衣草精油，薰衣草精油可以作为杀菌剂和高级香水、香料的添加剂等。 中国伊犁河谷平原的薰衣草基地，冬季时将薰衣草插条贮存在菜窑内，春暖雪化时再在农田扦插。而对于已经“长大成人”的植株，则把薰衣草用底部厚厚的土掩埋，浇透水，越冬率达到95%。 薰衣草对分布区具有独特的要求，北半球几大产区 阅读理解 　　America is growing older．Fifty-eight years ago, only 4 out of every 100 people in the United States were 65 or older．Today, 10 out of every 100 Americans are over 65．The aging of the population will affect 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 is suitable 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 become 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． (1) It can be learnt from the text that the aging of the population in America ________． [　　] A． has made people feel younger B． has changed people’s social position C． has changed people’s understanding of age D． has slowed down the country’s social development (2) The underlined word “one” refers to ________． [　　] A． a society B． America C． a place D． population (3) “Act your age” means people should ________． [　　] A． be active when they are old B． do the right thing at the right age C． show respect for their parents young or old D． take more physical exercise suitable to their age (4) If a 25-year-old man becomes general manager of a big firm, the writer of the text would most probably consider it ________． [　　] A． normal B． wonderful C． unbelievable D． unreasonable