题目

.Larry Walters’boyhood dream was to fly. After finishing school, Larry joined the U.S. Air Force, but was refused from pilot-training school because of poor eyesight. However, his dream remained. Larry, aged 33, was a truck driver in Los Angeles. One day, while sitting outside and watching jets fly overhead, an idea came to him to use weather balloons to fly. A few weeks later, Larry bought 42 weather balloons. He tied them to a chair and filled them with helium(氦). Then he sat down in the chair with some beer, sandwiches and a BB gun. Larry’s plan was to float about 10 meters above his 与光合作用无直接关系的矿质元素是 [　　] A．组成催化光合作用各种酶的氮 B．叶绿素成分中的镁 C．促进糖类运输的钠 D．存在ATP和NADP+中的磷