题目

In US, the potato is one of the most widely consumed crops. French fries are commonly found in typical American fast-food burger joints and cafeterias. French fries were introduced to the US when Thomas Jefferson served them in the White House during his presidency from 1801 t0 1809. Potato chips are popular with consumers as well. The humble potato is more than just a kind of food. In many ways it’s part of the American pop culture. Let’s take a look at some pop culture potatoes. Mashed Potato dance The Mashed Potato dance is a craze that began in 1962. The name of the dance came fr下列物质与功能对应有误的是A. 糖蛋白：识别与保护B. RNA聚合酶：催化转录过程C. 纤维素：植物细胞的能源物质D. 胰岛素受体：向细胞内传递信息