有特点的动物作文500字【一】
一、简洁性。说明文的遣词造句，应简洁平实、通俗易懂。
二、准确性。说明文以传授知识为目的，这就要求它必须用准确的语言。如实地反映事物的特征、本质、规律。说明文的语言的准确性是说明文语言的先决条件。表示时间、空间、数量、范围、程度、特征、性质、程序等，都要求准确无误。
三、科学性。介绍科学知识的说明文.要特别注重科学术语的准确使用。
四、严密性。为了使读者对较复杂的事物、较深奥的事理有明晰确切的理解，说明文常常恰当地使用修饰和限制词语，讲究语言的周到严密。
五、条理性。任何事物都具有它本身的\'条理，我们说明事物就要按照它本身的条理来安排说明顺序，使之眉目清楚，有条不紊。
六、逻辑性。有的说明文，要从事物的内在联系上进行说明，语言逻辑性强。
七、趣味性。元大鹰先生说：“说明文不一定就是板起面孔来说话。说明文未尝不可带一点风趣。”为了把事物的特点说得更加生动形象，增强文章的启发性和感染力，说明文要适当地采用生动的说明。
有特点的动物作文500字【二】
Once upon a time, there was a humble rabbit who had very good manners. One day, he went to a farm to eat some vegetables. When his stomach was full he thought of leaving. Unexpectedly, he met a fox.
从前有一只兔子，它非常谦虚，待人处世也彬彬有礼。有一 天，它到农民的菜园里去摘菜吃。当它把肚子填得胀鼓鼓的，正 准备离开时，遇到了一只狐狸。
The fox was on his way back to the forest. In fact, he tried to steal a chicken but in vain.
这只狐狸正要返回森林。原本它是想到农家院子里去偷只鸡 来，结果一无所获。
He was starving! When the rabbit saw the fox, he was very frightened. He swiftly ran to a cave. Nevertheless, he felt that without permission he should not enter anyone's home.
它肚子饿极了。 兔子见到狐狸，心里一惊，连忙飞快地跑向一个山洞。它知道未经许可不能随便进入别人的地方。
"I shall greet the cave before I go in, he thought. Thus, he said politely, "Dear Cave, how are You? May I come in?" The big snake inside was so pleased to hear the voice of the rabbit that he said, "
"应当先跟山洞打个招呼，" 兔子想。于是兔子彬彬有礼地说： 亲爱的山洞，你好啊!我可以 进来吗?" 洞里的蛇听出这是兔子的声音，真是喜出望外，便回应道：
Hurry up and come in" At once the rabbit knew who was inside the cave. "Excuse me, " he said, "I think my mother is waiting for me at home. Farewell now " The rabbit swiftly turned and dashed off.
欢迎!快进来吧! 兔子一听声音就知道洞里是谁了。 请原谅， 兔子说， 我想我妈妈还在家里等我呢!再见!兔子一拔腿，便跑得不见踪影。
The big snake curled himself up in the cave, feeling very frustrated He said. "Such a polite rabbit I shouldn ’ t have answered him at all "
蛇在洞里缩成一团，懊丧地说：¨ 这只有礼貌的兔子，我真不该应声啊!¨
