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任务型阅读: 阅读下面的短文,完成表格。      In the past, m

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任务型阅读: 阅读下面的短文,完成表格。
     In the past, man did not have to think about the protection of his environment. There were not many
people on earth, and natural resources (资源) seemed to be unlimited (无限的).
     Today, things are different. The world has become too crowded (拥挤的). We are using up our
natural resources too quickly, and at the same time we are polluting our environment with dangerous
chemicals. If we continue like this, human life on earth will not survive.
     Everyone realizes today that if too many fish are taken from the sea, there will soon be none left. Yet,
with modern fishing methods (方法), more and more fish are caught. We know that if too many trees are
cut down, forests will disappear and nothing will grow on the land.
     We realize that if rivers are polluted with waste products from factories, we will die. However, in most
countries, waste products are still put into rivers or into the sea, and there are few laws to stop this.
     We know, too, that if the population (人口) of the world continues to rise at the present rate, in a few
years, there will not be enough food.
     What can we do to solve these problems?
     If we eat more vegetables and less meat, we will easily get more food. Land that is used to grow crops
can feed five times more people that land where animals are kept.
     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 living
place in the future.
               The importance of protecting the environment
Problems 1. More fish being caught.
2. More __1__ being cut down.
3. More waste products being put into rivers.
4. More __2__ being born.
Causes The world is becoming too __ 3 __.
Modern methods make the situation worse.
Result We human beings (人类) will not survive on the earth.
Solutions 1. Eat more vegetables and less meat so that more food will be
    available (可以获得的) for everyone.
2. Use modern methods of __ 4 __ control so that the population 
    will not grow too fast.
3. Educate people so that the __5__ will be better and cleaner.
任务型阅读: 阅读下面的短文,完成表格。      In the past, m
1. trees   2. babies   3. crowded  4. birth   5. earth