在学习、工作、生活中，大家都有写作文的经历，对作文很是熟悉吧，作文一定要做到主题集中，围绕同一主题作深入阐述，切忌东拉西扯，主题涣散甚至无主题。相信写作文是一个让许多人都头痛的问题，下面是小编收集整理的高中英语作文：中华鲟，希望能够帮助到大家。
Ancient prague of big lames, lame. According to zoology, the fish is classified, the sturgeon, the ceremonies, and the sturgeon. Chinese sturgeon is one of the oldest vertebrates on the earth. The fossil of the ancient sturgeon appeared in the middle of the born, with about 10 million years ago. Distributed in the Pacific Northwest and China Hainan Island East to Huangbihai and other sea and freshwater rivers in the Pearl River, Qiantang River, the Yangtze River, the Yellow River. Chinese sturgeon is the largest fish in fresh water, and the physiological structure is special. It is unbelievable, with a small number of hard bones and back, a total of five beautiful bone plates and cartilage spine support from the body side and abdomen. The Chinese sturgeon is mighty, the individual is very large, and the complex can reach more than four meters, the weight is nearly a thousand kg, ranking 27 kinds of squid in the world, is known as "the king of squid", and the "Yangtze River Fish King" is called. Chinese sturgeon has its own unique living habits. The Chinese sturgeon was born in Jiangli, growing up in the sea, suitable for survival in the water environment between 1 ‰ ~ 35 ‰. From the young braids to the sea to the sea to the adult sturgeon return to the Yangtze River breeding procealer, the shortest need for ten years, the generation, the beginning of the world. Every year in summer, the Chinese sturgeon is returned to the Yangtze River from the shallow seas in the Yangtze River, and it has returned to his own "hometown" Jinsha River. After the birth, the young fish is about 15cm, and these "parsley" carries children, and they are flowing overseas. They are born in the upper reaches of the Yangtze River in the world, growing in the sea, developing habits that do not forget their hometown overseas. It is because of this persistent return, find roots, it is called "Chinese sturgeon".
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