(2)
Kite flying is the sport of sending up into the air, by means of the wind, a light frame covered with paper, plastic or cloth. The frame can be one of many difference shapes and is attached to a long string held in the hand or wound on a drum. Kites have a long history in practical application and many different types of kite have been developed to serve various purposes.
The ancient Chinese used bird-kites to carry ropes across rivers and alleys. The current folding kite which will dive excitingly is an improved type of such a kite. With its long flat body and single pair of bird-like wings, it looks just like a Large bird in the air. The modern version is usually made of issue paper rather than the traditional silk.
Man-lifting kites were developed in ancient times, again by the Chinese, for getting information from walled cities and army camps. In fact, as recently as World War II, German U-boats flew kites from their towers to lift people into the air to watch the land. These kites, which are no longer in existence, were made of lightweight cloth, They were much larger and stronger than the Chinese ones. Their design, however, was simply that of the cuter kite. Smaller in size, this type of kite is still very popular as a toy for children, being easy to make with a diamond-shaped frame, no wings and brown-paper covering.
Box kites are another type of kite found in toy shops today. The first box kite, named for its box-like body, was developed in the nineteenth century to test theories of fight and this type of cotton-covered kite greatly assisted the success of early airplanes. These kites are the ancestors of a heavier version of the box kite, called the double box kite, which consists of two main sections. placed side by side. Developed for the peacetime purpose of fishing in strong sea wind, it is the only modern kite described which has practical value, A long-lasting plastic material has to be used for this kite, which carries fishing lines.
The ancient Chinese bid-kites were usually made of light frames covered with .
Human beings are curious about the world in which we live. We long to know what other places look like - - the people, their culture, the animals and the plants. Today, higher levels of education and the influence of television and other communications media have combined to create in us a much greater awareness of our entire world. We are now in a global economy and our industries may be globally competitive. We must think globally. Material prosperity in many developed countries, with higher standards of living, has made travel attainable for hundreds of millions of us. Although travel can be taken for many reasons, the most common are pleasure, business and study.
Tourists who wish to see as much of the countryside as possible may elect to take a coach tour staying at different places each night. 'The size and quality of the hotel used may be of secondary importance to the route and itinerary of the trip. Then there are others who wish to avoid the strains of one night stands, who will pick two or more resorts for their holiday. They may experiment with the hotel used at one (or all) of the destinations, Further, if the resort they wish to visit has limited accommodation facilities, the short-stay tourist might accept this, although for a longer one-resort holiday they might demand better quality and so choose a different resort. The support services in the packages will also be affected by the above considerations.
第三产业
以市场为导向的改革
收支平衡
无形产品
运载能力
资本投资
国民生产总值
消除紧张
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