题目

From a young age, Michael Platt loved two things: the Rev. Martin Luther King, Jr. and cupcakes. He imagined ways he too could fight for justice. He memorized figures about income inequality and childhood hunger. But he also spent afternoons at his home computer, amazed by YouTube bakers who made perfect cupcakes.When his parents gave him a pair of Toms shoes for Christmas three years ago, Michael saw a way to connect his twin passions. At age 11, he founded a bakery that operates on the Toms one-for-one model: For every cupcake, cake or cookie that Michael sells, he donates another to the hom2．比较我国主要运输方式的运量和速度关系，图中数字代表的运输方式正确的是（　　）A．①水运②铁路③空运④公路B．①空运②公路③铁路④水运C．①铁路②水运③空运④公路D．①公路②空运③水运④铁路