一级毛片免费不卡在线视频,国产日批视频免费在线观看,菠萝菠萝蜜在线视频免费视频,欧美日韩亚洲无线码在线观看,久久精品这里精品,国产成人综合手机在线播放,色噜噜狠狠狠综合曰曰曰,琪琪视频

雅思考試

時(shí)間:2023-05-04 21:30:33 其它英語寫作 我要投稿
  • 相關(guān)推薦

雅思考試范文

Zoos are sometimes seen as necessary but poor alternative to a natural environment. Is it necessary to keep animals in zoos?

雅思考試范文

  In the modern society, zoos are almost indispensable places in large cities for people to visit. In some large zoos, there are various animals from space to sea, and from primitive invertebrates to advanced and intelligent mammals. In the zoos, all animals, including those rare animals, such as panda, Africa elephant, and North-East tiger, could enjoy good care and protection away from any hurt. However, along with the stronger natural environmental protection consciousness, many people think that to put animalssintossmall cages will change their living instincts, and therefore break the ecological balance.

  Viewed from the basic relations between animals and human beings, animals should have the equal freedom with human beings. They are all forms of life. Animals have their own living instinct, and it is this instinct that forms the biological chain of the Earth. This relation is called "Ecological Balance" academically. For example, insect-bird-snake. If most birds in a region are killed and lockedsintoscages by human beings, the pests will eat out all crops, and snakes will lose a large part of food (bird)-resources, therefore leading to starvation and death.

  This opinion sounds ideal theoretically. However in reality, human beings and other animals cannot stay together peacefully on the Earth. Because of human beings' lust for fortune, many valuable animals are killed or sold, especially those endangered species. Therefore, zoos appear as an active way for people to protect those poor animals. First, this is an action not only for animals but also for human being itself. Once the biological chain is broken, human beings will be punished inevitably. Next, zoos can serve a purpose of educating and entertaining people, narrowing the distance between human beings and animals. Last,

【雅思考試】相關(guān)文章:

新手必看雅思考試全過程10-18