英语 环境保护 句子

Once man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be unlimited.
Today things are different. The world has become too crowded. We are using up our natural resources,and polluting our environment with dangerous chemicals. If we continue to do this, human life on earth will not survive.
We realize that if too many fish are taken from the sea, there will soon be none left. Yet,with modern fishing methods, more and more fish are caught.We know that if too many trees are cut down, forests will disappear. Yet, we continue to use powerful machines to cut down more and more trees. We see that if rivers are polluted with waste products, we will die. Yet, waste products are
still put into rivers.
We know that if the population continues to rise at the present rate, in a few years, there won’t be enough food.What can we do to solve these problems?
If we eat more vegetables and less meat, there will be more food available. Land for crops feeds five times more people than land where animals are kept.
Our natural resources will last longer if we learn to recycie them.
The world population will not rise so quickly if people use modern methods of birth control.
Finally, if we educate people to think about the problems we shall have a better and cleaner planet in the future. 保护环境过去，人们不必担心保护环境的问题。 因为那时地球上人口稀少，自然资源似乎取之不尽。如今，一切都改变了。世界变得拥挤异常。我们正在耗尽我们的自然资源，有毒化学制品的使用也正污染着环境。如果我们继续这样下去，地球上的生命将不复存在。我们都知道如果从海里捕捉太多的鱼，海里就不会再有鱼了。但是，现代化的捕鱼技术使得捕鱼量越来越大。我们都知道如果砍伐太多的树木，森林就会消失。但是，我们仍旧使用强大的机械砍伐越来越多的树木。我们都知道如果河水被废弃物污染的话，我们只有死路一条。但是废弃物仍然源源不断地进入河里我们知道，人口继续照现在这个速度增长的话，不出几年，就会发生食物短缺。我们该如何解决这些问题呢? 如果我们多吃蔬菜，少吃肉类的话，我们就会有更多的食物。因为同样大小的土地如果种庄稼的话会比养殖动物多养活五倍多的人。如果我们学会再利用的话，自然资源就能持续更久。如果人们使用现代化的生育控制方法，世界人口就不会增长如此迅猛。最后，如果我们能够教育人们都意识到这些问题的话，未来我们就会有一个更好、更洁净的星球。

The affinity is a quality which an outstanding teacher should have, is the teaching can foundation and supplement. In teaching management, affinity regardless of is or manages to teaching itself to the class and grade, all plays the demonstration which estimates with difficulty, is encouraging and urges on the role. Reforms in the curriculum in the flood tide, how puts to the idea the motion, is the curriculum reforms the success or failure the key, also is the basic accomplishment which a teacher should have. The outstanding teacher "is outstanding" the reason is can in the education teaching the unceasing self- renewal. At enterprise sense of responsibility: Deeply loves the official duty work, loyal Yu Dang and people's education, had this kind of sense of responsibility teacher, regardless of puts on the teaching post, or puts in the education administration post, all is a flash teacher. In service sense of responsibility: Likes discovering in the teaching the question, and is good at to the question analyzing and the research, thus changes not the right teaching mentality, newly forms, student's easy to understand teaching idea; Likes linking up with the student, the student treats as such teacher own friend, the teacher to the class and grade in each student's custom, the psychological activity, the contact ability, the individuality development and so on all knows from A to Z; Likes being good at absorbing the new idea, frequently searches the material, discusses the question with the colleague, and unceasingly reconsiders oneself, causes oneself to become a knowledge, the scientific research, the innovation teacher.

Respect fellow leaders, fellow guests, each session of alumni, teachers, schoolmates, friends: Hello! Is cherishing the infinite hope and the respect, is bringing the filled with fervor and the hope, today, I extremely am honored welcome you to attend this grand meeting. This congress is in under the related all quarters concerted effort assistance, we fortunately invite to fellow leaders, expert's arrival to extend the warmest welcome and the heartfelt gratitude! For several dozens years, our school unity strive for success, develop, the advance in technology, the economic development and in the education promotion process in the impetus society are realizing own value. The school has successively raised the student tens of thousands of people. In them, has the scholar, professor, doctor, engineer... ... A each one patriotic offer, silently does farm work, has won the lofty prestige for the alma mater. Please allow me to possess the alumni on behalf of the school which for the motherland prosperity, society's progress, nationality's promotion makes the contribution to extend the lofty respect! In the conference, fellow experts will carry on the wide-ranging exchange by the academic report form, its subject will be: "The environmental protection and the nature", the goal is the propaganda protects and improves the human environment the importance. We welcome to Professor Wang Feng, he devotes with the environmental protection work, founded first to provide the legal help to the environment victim the organization, suffered injury the crowd for each place directly to provide the aid to reach more than 2,000 people, was helping the victim simultaneously to propose all sorts of questions, the formulation related rule, received the department concerned highly to take. As the congress undertaking, we wholeheartedly at your service, guarantee the conference smoothly to convene. We believed that, this conference certainly can receive the complete effect. Is willing the wisdom the flowers to compete to open!

It is important to protect the environment if we want to set up a harmonious society.

Stop
the
contamination
to
the
atmosphere.
停止对大气的污染。
Reserve
the
diversity
of
organisms.
保持物种多样性。
还有很多，正在想……