题目内容
wish to go. A large part human history is connected with the exploration of the world in which we live. Again
and again people have set out with surprising courage and patience to look into unknown regions and lands to
see what had not yet been seen, to make known the unknown. With kites, balloons and aircraft they left the
ground to pass through the lower atmosphere. Now the outer space receives their attention.
Why should man take the trouble of conquering space? It is hard to list the specific practical benefits that
will result in. But one knows, from past experience in other areas, that man will surely see and discover new
things in space that will increase our scientific knowledge, and this new knowledge will find its way into
valuable practical uses. What we learn about man himself, from his experience in space, and from the effects
of space and the space flight environment on him, will be extremely valuable. The new techniques developed
to carry out the exploration of space, and to keep man alive in space, will certainly find practical uses in
everyday life in some way. The areas that will benefit are manifold. They include communication, generation
of power, transportation and travel, food production, materials, fuels and many others. But to say definitely
just what the practical results will be is almost impossible.
B. man often goes wherever his dreams go
C. man is no longer interested in the study of the land and sea now
D. man's history is the exploration of the world
B. various
C. valuable
D. practical
B. the exploration of space
C. exploring more in space than in the sea
D. his experience in space
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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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