A snake is a long and thin animal that lives in grass or other dark places. It has no legs or feet, but can move very fast on its stomach. Snakes usually have green,yellow or black skins, which make it difficult for their enemies to find them.Some kinds of snakes live in water. They can swim as freely as fish.

　　 Snakes are cold-blooded animals. They take many things as food, such as mice, sparrows, frogs, birds'eggs, pests and so on. As snakes are dreadfullooking, people are afraid of them.

　　 In fact, snakes are not as dreadful as they look. They can help us to kill mice and pests. They can provide us with delicious meat. Their blood is a good drink.Poisonous snakes are especially useful. We can make valuable drugs with them.

　　 蛇

　　 蛇是生長在草地或其他黑暗地方的又長又瘦的小動物，它沒有腿腳，但卻可以靠腹部快速移動。蛇的皮膚通常是綠色、黃色或黑色的，這使得它們不易被敵人發現。有些蛇生活在水中，能像魚兒一樣自由自在地游來游去。

　　 蛇是冷血動物；它們以許多東西為食，如老鼠、麻雀、青蛙、鳥蛋、害蟲等；因為蛇樣子可怕，人們大多怕它。

　　 事實上，蛇并不像看起來那樣可怕，它們幫我們捕殺老鼠和害蟲，并可以提供可口的肉食，它的血液可制成上等口服液。毒蛇特別有用，我們可以用它們制藥。