卓越的科学家竺可桢的《向沙漠进军》是一篇结构严谨,条理清晰,情文并茂的说明文,它的美主要表现为三方面。激情美。一篇好的说明文不仅知识性条理性强,而且洋溢着充沛的激情。茅以升的《中国石拱桥》,叶圣陶的《苏州园林》莫不如此。《向沙漠进军》更是由势入理,褒贬分明,笔裹激情。这种激情 The brilliant scientist’s “Advance to the Desert” is a rigorous, well-organized, and eloquent exposition. Its beauty is mainly embodied in three aspects. Passion beauty. A good expository text is not only knowledgeable and rational, but also full of passion. Mao Yisheng’s “Chinese Stone Arch Bridge” and Ye Shengtao’s “Suzhou Garden” are different. “Forwarding into the Desert” is even more reasoned, better and better, and passionate. This passion