Last Sunday, Jim went out to fly a kite. The kite flew highly in the sky. Jim ran with it happily.
Suddenly the line was broken and the kite flew away. Soon it disappeared. Where was it?
Jim had no idea. So he had to run here and there to look for the kite. At last he saw it on the top of the tree. He tried to get it down. But he couldn’t. He felt sad.
为了把十分复杂的事物说清楚,就可以采用图表法,来弥补单用文字表达的缺欠,对某些事物解说更直接、了当。
作用:使人看了一目了然。条理清晰,直接地说明了说明对象的特点。
用简明的语言、科学的术语对某一概念的本质特征作规定性的说明叫下定义。下定义能准确揭示事物的本质。
作用:使人们在阅读时对抽象的字词能够更加明白、理解。
例句:统筹方法,是一种安排工作进程的数学方法。——《统筹方法》(能准确揭示事物的本质。)
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