题目内容
| Crops can grow better in the _____(肥沃的) land. |
| fertile |
本文介绍了美国著名的生物学家Edward Wilson 的著作The Future of Life中的一些有关如何开发、利用和保护自然资源的情况。
Edward Wilson is America’s, if not the world’s, leading naturalist. In The Future of Life, he takes us on a tour of the world’s natural resources(资源). How are they used? What has been lost? What remains and is it able to continue with the present speed of use? Wilson also points out the need to understand fully the biodiversity(生物多样性)of our earth.
Wilson begins with an open letter to the pioneer in environment (环境) protection, Henry David Thoreau. He compares today’s Walden Pond with that of Thoreau’s day. Wilson will use such comparisons for the rest of the book. The problem is clear: man has done great damage to his home over the years. Van the earth, with human help, be made to return to biodiversity levels that will be able to support us in the future?
Biodiversity, Wilson argues, is the key to settling many problems the earth faces today. Even our agricultural crops can gain advantages from it. A mere hundred species(物种) are the basis of our food supply, of which but twenty carry the load. Wilson suggests changing this situation by looking into ten thousand species that could be made use of, which will be a way to reduce the clearing of the natural homes of plants and animals to enlarge farming areas.
At the end of the book, Wilson discusses the importance of human values in considering the environment. If you are to continue to live on the earth, you may well read and act on the ideas in this book.
【小题1】 We learn from the text that Wilson cares most about ______
| A．the environment for plants |
| B．the biodiversity of our earth |
| C．the wastes of natural resources |
| D．the importance of human values |
| A．Twenty. | B．Eighty. | C．One hundred | D．Ten thousand. |
| A．learn how to farm scientifically |
| B．build homes for some dying species |
| C．make it clear what to eat |
| D．use more species for food |
| A．a description of natural resources |
| B．a research report |
| C．a book review |
| D．an introduction to a scientist. |
Edward Wilson is America’s, if not the world’s, leading naturalist. In The Future of Life, he takes us on a tour of the world’s natural resources. How are they used? What has been lost? What remains and is it able to continue with the present speed of use? Wilson also points out the need to understand fully the biodiversity(生物多样性)of our earth.
Wilson begins with an open letter to the pioneer in environment protection, Henry David Thoreau. He compares today’s Walden Pond with that of Thoreau’s day. Wilson will use such comparisons for the rest of the book. The problem is clear: man has done great damage to his home over the years. Can the earth, with human help, be made to return to biodiversity levels that will be able to support us in the future?
Biodiversity, Wilson argues, is the key to settling many problems the earth faces today. Even our agricultural crops can gain advantages from it. A mere hundred species are the basis of our food supply, of which but twenty carry the load. Wilson suggests changing this situation by looking into ten thousand species that could be made use of, which will be a way to reduce the clearing of the natural homes of plants and animals to enlarge farming areas.
At the end of the book, Wilson discusses the importance of human values in considering the environment. If you are to continue to live on the earth, you may well read and act on the ideas in this book.
【小题1】We learn form the text that Wilson cares most about ______.
| A．the environment for plants | B．the biodiversity of our earth |
| C．the wastes of natural resources | D．the importance of human values |
| A．Twenty. | B．Eighty. | C． One hundred. | D．Ten thousand. |
| A．learn how to farm scientifically | B．build homes for some dying species |
| C．make it clear what to eat | D．use more species for food |
| A．a description of natural resources | B．a research report |
| C．a book review | D．an introduction to a scientist |
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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 seemed to be unlimited.
Today, things are different. The world has become too crowded. 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, 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. Yet, we continue to use bigger and more powerful machines to cut down more and more trees.
We realize that if rivers are polluted with waste products from factories, we will die in
the end. However, in most countries waste products are still put into the sea, and there are few laws to stop this.
We know, too, that if the population 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, there will be more food available for everyone. Land that is used to grow crops can feed five times more people than 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 planet in the future.
|
Problems |
?More 1._______ are caught. ?More2._______ are cut down. ?More 3._____ products are put into rivers. ?More4._____ are born. |
|
Causes |
?The world is becoming too5.__________. ?Modern methods make the world 6.________. |
|
7. |
?We human beings will not survive on the earth. |
|
Situation |
● ?Eat more8._____ and less meat so that more food will be available. ● ?Use modern methods of9._______ control so that the population will not grow too fast. ?Educate people so that the earth will be better and 10._____. |