题目

阅读短文，根据短文内容回答问题。 Spiderman is one of the most famous comic book heroes of all time. He was created by Stan Lee in 1963 and was first introduced to the world in the pages of Marvel comic books.      Spiderman’s story is the story of Peter Parker, a child who lost his parents and lives with his aunt and uncle. Peter is a shy, quiet boy wearing glasses and has few friends. One day, on a high school class trip to a science lab, he gets bitten by a special spider. Soon Peter realizes he has amazing powers: he is as strong and quick as a spider and also如图所示，两端开口的足够长U型玻璃管，左管插入足够大的水银槽中，右管内有一段水银柱，管中封闭有一定质量的理想气体，左管始终没有离开水银面，下列说法中正确的是（      ） A、保持管子不动而将气体的温度降低一些，则右管内水银柱不动 B、保持管子不动而将气体温度升高一些，则左管内外液面高度差增大 C、保持温度不变，把管子向上移动一些，则左管内外液面高度差增大 D、保持温度不变，把管子向下移动一些，则封闭气体的体积不变