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帮我想一些关于different kinds of snakes的英文论文

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帮我想一些关于different kinds of snakes的英文论文
写的满意的我给150分
字数300字左右
要用英文
不准COPY .
自己写的,从有毒和无毒两个方面介绍了蛇的种类.比较短也比较粗略,不过应该够300字了.
Different Kinds of Snakes
Snake is said to be one of the first reptiles on Earth.After thousands of years multiplication,the snake family grows bigger and bigger.There are approximately 2,700 kinds of snakes all over the world.Some of them are venomous while others are not.
Venomous,or poisonous snakes inculde cobra,water moccasin and the most notorious rattlesnake.These snakes can either kill or immobilize their prey by using their fangs in the mouth.
Non-poisonous snakes covers a lager percentage in the population of snakes,that is,almost two-thirds of all snakes in the world.Black snakes,racers,king snakes and rat snakes are some of the most common non-poisonous in our life.They eat mainly fish worms,mice and frogs.
The snake family is still on the long journey of evolution.There would be many other kinds of snakes come forth on Earth in the future.