题目内容
ourselves enjoy in such a good condition that others may also share the enjoyment. Our forefathers had
no idea that human population would increase faster than the supplies of raw materials: most of them,
even until very recently, had the foolish idea that the treasures were "limitless" and could "last forever".
Most of the citizens of earlier generations knew little or nothing about the complicated and delicate system
that runs all through nature, and which means that, as in a living body, an unhealthy condition of one part
will sooner or later be harmful to all the others.
Fifty years ago, nature study was not part of the school work; scientific forestry was a new idea; wood was still cheap because it could be brought in any quantity from distant woodlands; soil destruction and
river floods were not national problems; nobody had yet studied long-term climatic cycles in relation to
proper land use; even the word "conservation" had nothing of the meaning that it has for us today.
For the sake of ourselves and those who will come after us, we must now set about correcting the
mistakes of our forefathers. Conservation should be made part of everybody's daily life. To know abou
t the water table in ground is just as important to us as a knowledge of the basic math formulas. We need
to know why all watersheds (上游集水区) need the protection of plant life and why the running current
of streams and rivers must be made to give their full benefit to the soil before they finally escape to the sea. We need to be taught the duty of planting trees as well as of cutting them. We need to know the
importance of big, grown trees, because living space for most of man's fellow creatures on this planet is
figured not only in square measure of surface but also in cubic (立方体的) volume above the earth. In a
word, it should be our goal to restore as much of the original beauty of nature as we can.
B. uninterested
C. optimistic
D. critical
B. they had little or no sense of environmental protection
C. they were not aware of the importance of nature study
D. they had no idea of how to make good use of raw materials
B. natural sciences be taught to everybody
C. environmental education be directed toward everyone
D. we return to nature
B. Our living space should be measured in cubic volume.
C. We need to take some measures to protect space.
D. We must preserve good living conditions for both birds and animals.
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| Advertising is a form of communication that uses all kinds of media, and is visible everywhere these days. Typical customers of advertising companies are other companies, or businessmen, who want to persuade potential customers to buy more of what they make or sell. But there are other kinds of customers. Some organizations spend large sums of money on advertising a political party or other group that sells what is not, strictly speaking, a product or service. Such non - profit organizations are not typical advertising customers, and they prefer ways of spreading knowledge, changing attitudes, and improving society. Many advertisements are designed to increase sales of products and services by either improving brand image or, in the case of non - profit organizations, expressing ideas. In order to achieve th~s, advertisements will often pass on truthful information while delivering their messages. Every major medium is a means of delivering these messages, including television, radio, cinema, magazines, newspapers, video games, the Internet and billboards (大幅广告牌). Advertising will usually be created and. placed by an advertising agency on behalf of company or other organization. Spending on advertising has increased greatly in recent years. In 2006, spending was estimated at $155 billion in the United States and $385 billion worldwide; the latter is expected to reach more than $500 billion by 2010. While advertising can be seen as a necessity for economic growth and social development, it is not without social costs. Advertisement emails and other forms of junk mail have become so popular that ~they have become a major burden to users of I nternet email services, as well as a financial burden on Internet email service providers.
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