2022年英语专八范文背诵:保护濒危物种必要性

2022-04-28 12:25:00来源:网络

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  保护濒危物种必要性

  Many natural resources are disappointed of being wasted on our planet every

  day. One of themost important resources we are abusing is our trees. Each year ,

  hundreds of thousands ofacres of trees disappear in countries all around the

  world . In some countries , these trees areused for fuel. In other countries ,

  trees are destroyed to build housing developments andshopping centers. Saving

  trees has become a major cultural and economical issue in many ofthe world.

  Trees are essential to our survival . They are a major part of the process

  of photosynthesis .Photosynthesis is the process in which green plants use

  carbon dioxide to produce oxygen ,andoxygen is something all of us need . The

  fewer trees there are ,the more this affects our abilityto breathe.

  Trees are also important in the development of many medicines. The

  mainstream medicalestablishment did not recognize this for many years. However ,

  those who use naturalmedicines have always known how important trees are. Now

  scientists are agreeing with them.Many drugs come from the leaves of certain

  trees, along with other herds and plants.

  In rural areas, farmers have always known how important trees are to soil

  conservation. Thisis why you’ll usually see trees lining a field . Tree rots

  help keep the soil in place, and are also afactor in water distribution deep

  beneath the ground .

  Finally ,we should save trees from disappearing because they provide so

  much pleasure. ‘I thinkthat I shall never see a poem as lovely as a tree,’ wrote

  a poet . That is the truth . A tall ,stately tree is beautiful to look at, and

  pleasing to the soul . It is also a great place to findshade on a hot summer’s

  day. For practical and emotional reasons, we need to preserve ourplanet’s

  trees.

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