种植药材利用的是生物多样性中的（    ）

    A well-dressed man goes into a restaurant one day. He sits down at a table near the window. A waiter comes up to him and says, “Can I help you, sir?”

    The man says, “Can I see the menu?” “Certainly.”

    The man wants a good meal and he wants a lot of nice dishes. The waiter gets them for him. The man is having his meals. At this time, a boy comes in and sits beside the man. He asks the man to give him an ice cream. The man does so.

    Now the boy is eating his ice cream. The man says, “I go out for a newspaper.” The man goes out.  After the boy eats his ice cream up, he stands up and goes to the door.

    “Excuse me. Your father doesn't give the money for the meal and your ice cream,” The waiter stops him and says.

    “Father? You are wrong. He isn't my father. I don't know him. I meet him in the street. He says he will give me an ice cream if I come here at 12 o'clock.”

在实数：3.14159，$\sqrt[3]{64}$，1.010010001…，，π，$\frac{22}{7}$中，无理数的（　　）
　 

目前，我国多地试行“飞地经济”模式，打破乡镇行政区划限制，将无落地条件或不宜落地的项目从所属的乡镇“飞”入经济开发区或项目集中区，项目产生的财政收入按比例分成。这样，避免了厂房和基础设施遍地开花，位置偏远、条件较差的乡镇也能分享经济发展的红利。由此可见，发展“飞地经济”有利于（  ）

①推动产业集中，形成集聚的综合效应 ②促进产业梯度转移，优化资源配置

③优化国民收入初次分配，统筹区域协调发展 ④提高财政资金和土地资源的利用效率