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請(qǐng)寫(xiě)出將文本區(qū)text放置于滾動(dòng)面板jsp，并將滾動(dòng)面板jsp添加到JFrame窗口myFrame的Java語(yǔ)句。

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正確答案：

TextAreatext=newTextArea();

JScrollPanejsp=newJScrollPane(text);

myFrame.getContentPane().add(jsp);

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The discovery of the Antarctic not only proved one of the most interesting of all geographical adventures, but created what might be called “the heroic age of Antarctic exploration”. By their tremendous heroism, men such as Shakleton, Scott, and Amundsen caused a new continent to emerge from the shadows, and yet that heroic age, little more than a century old, is already passing. Modern science and inventions are revolutionizing the endurance, future journeys into these icy wastes will probably depend on motor vehicles equipped with caterpillar traction rather than on the dogsthat earlier discoverers found so invaluable and hardly comparable. Few realize that this Antarctic continent is almost equal in size to South America, and enormous field of work awaits geographers and prospectors. The coasts of this continent remain to be accurately charted, and the maping of the whole of the interior presents a formidable task to the cartographers who undertake the work. Once their labors are completed, it will be possible to prospect the vast natural resources which scientists believe will furnish one of the largest treasure hoards of metals and minerals the world has yet known, and almost inexhaustible sources of copper,coal, uranium, and many other ores will become available to man. Such discoveries will usher in an era of practical exploitation of the Antarctic wastes. The polar darkness which hides this continent for the six winter months will be defeated by huge batteries of light, and make possible the establishing of air-fields for the future inter-continental air services by making these areas as light as day. Present flying routes will be completely changed, for the Antarctic refueling bases will make flights from Australia to South America comparatively easy over the 5,000 miles journey. The climate is not likely to offer an insuperable problem, for the explorer Admiral Byrd has shown that the climate is possible even for men completely untrained for expeditions into those frozen wastes. Some of his parties were men who had never seen snow before, and yet he records that they survived the rigors of the Antarctic climate comfortably, so that, provided that the appropriate installations are made, we may assume that human beings from all countries could live there safely. Byrd even affirms that it is probably the most healthy climate in the world, for the intense cold of thousands of years has sterilize this continent, and rendered it absolutely germfree, with the consequences that ordinary and extraordinary sickness and diseases from which man suffers in other zones with different climates are here utterly unknown. There exist no problems of conservation and preservation of food supplies, for the latter keep indefinitely without any signs of deterioration; it may even be that later generations will come to regard the Antarctic as the natural storehouse for the whole world. Plans are already on foot to set up permanent bases on the shores of this continent, and what so few years ago was regarded as a “dead continent” now promises to be a most active center of human life and endeavor. 1.When did man begin to explore the Antarctic? A.About 100years ago. B.In this century. C.At the beginning of the 19th century. D.In 1798. 2.What must the explorers be, even though they have modern equipment and techniques? A.Brave and tough B.Stubborn and arrogant. C.Well-liked and humorous. D.Stout and smart. 3.The most healthy climate in the world is___. A.in South America. B.in the Arctic Region. C.in the Antarctic Continent. D.in the Atlantic Ocean. 4.What kind of metals and minerals can we find in the Antarctic? A.Magnetite, coal and ores. B.Copper, coal and uranium. C.Silver, natural gas and uranium. D.Aluminum, copper and natural gas. 5.What is planned for the continent? A.Building dams along the coasts. B.Setting up several summer resorts along the coasts. C.Mapping the coast and whole territory. D.Setting up permanent bases on the coasts.
試題分類： 大學(xué)英語(yǔ)六級(jí)
練習(xí)次數(shù)：2次
試題分類： 寫(xiě)作
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試題分類： 初級(jí)(口語(yǔ))
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試題分類： 初級(jí)(口語(yǔ))
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Passage 2 Questions 6 to 10 are based on the following passage: The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown tat 40 percent of cancer is related to the diet as well, especially cancer of the colon. Different cultures ate more prone to get certain illnesses because of the food that is characteristic in these cultures. That food is related to illness is not a new discovery. In 1945, government researchers realized that nitrates and nitrites, commonly used to preserve color in meats, and other food additives, caused cancer. Yet these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives that we eat are not all so direct. Farmers often give penicillin to beef and poultry, and because of this, penicillin has been found in the milk of treated cows. Sometimes similar drugs are administered to animals not for medicinal purposes, but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures, the practices continue. 6. How has science done a disservice to mankind? A. Because of science, most of the foods we eat today are contaminated. B. It has caused a lack of information concerning the value of food. C. As a result of scientific intervention, some potentially harmful substances has been added to our food. D. The scientists have preserved the color of meats, but not of vegetables. 7. What are nitrates used for? A. They preserves flavor in packaged foods. B. They preserve the color of meats. C. They are the objects of research. D. They cause the animals to become fatter. 8. The FDA has tried repeatedly to control . A. the attempt to fatten the animals B. the attempt to cure sick animals C. the using of drugs to animals D. the using of additives to preserve the dolor of food 9. The word “carcinogenic” means most nearly the same as . A. trouble-making B. color-retaining C. money-saving D. cancer-causing 10. Which of the following statements is NOT true? A. Drugs are always given to animals for medical reasons. B. Some of the additives in our food are added to the food itself and some are given to the living animals. C. Researchers have known about the potential hazards of the food additives for over thirty-five years. D. Food may cause forty percent of cancer in the world.
試題分類： 大學(xué)英語(yǔ)六級(jí)
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試題分類： 寫(xiě)作
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試題分類： 初級(jí)(口語(yǔ))
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