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试述低钾血症的治疗原则。
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Passage 4 Many United States companies have, unfortunately, made the search for legal protection from import competition into a major line of work. Since 1980 the United States International Trade Commission (ITC) has received about 280 complaints alleging damage from imports that benefit from subsidence by foreign governments. Another 340 charge that foreign companies "dumped" their products in the United States at “less than fair value”. Even when no unfair practices are all alleged, the simple claim that an industry has been injured by imports is sufficient grounds to seek relief. Contrary to the general impression, this quest for import relief has hurt more companies than it has helped. As corporations begin to function globally, they develop an intricate Web of marketing, production, and research relationships. The complexity of these relationships makes it unlikely that a system of import relief laws will meet the strategic needs of all the units under the same parent company. Internationalization increases the danger that foreign companies will use import relief laws against the very companies the laws were designed to protect. Suppose a United States-owned company establishes an overseas plant to manufacture a product while its competitor makes the same product in the United States. If the competitor can prove injury from the imports--and that the United States company received a subsidy from a foreign government to build its plant abroad--the United States company’s products will be uncompetitive in the United States, since they would be subject to duties. Perhaps the most brazen case occurred when the ITC investigated allegations that Canadian companies were injuring the United States salt industry by dumping rock salt, used to deice roads. The bizarre aspect of the complaint was that a foreign conglomerate with United States operations was crying for help against a United States company with foreign operations. The "United States" company claiming injury was a subsidary of a Dutch conglomerate, while the "Canadian" companies included a subsidary of a Chicago firm that was the second largest domestic producer of rock salt. According to the passage, which of the following is most likely to be true of United States trade laws
Passage 2 With euro hills and coins now circulating across much of Europe, the European Monetary Union is fully in place. The post-World War Ⅱ European leaders’ dream of an economically and politically unified continent is one large step closer to realization, and membership in the monetary union could easily grow to 20 or more countries from the current 12 as the larger European Union expands to the east. A fully operational European Monetary Union does not come, however, with a guarantee of success. There is one enormous problem: This union creates a single monetary policy for a group of quite different national economies that often experience divergent business-cycle patterns. As long as business-cycle conditions differ significantly among European Monetary Union countries, there is no way for the central bank’s policies to avoid creating serious problems for some members. The patterns of economic ups and downs remain far more diverse in the European Monetary Union countries, and it is not clear that this will change soon. The designers of the monetary union thought that the imposition of a single monetary policy, combined with free trade among the members, would cause cyclical conditions to converge quickly, producing a unified group of economies. A 1997 agreement also limits the power of the individual nations in the European Monetary Union to use government spending or tax cuts to ease national downturns. They can be fined if they run budget deficits of more than 3 percent of their gross domestic products. No fines have been levied yet, but the threat is there. Even if the economies of the original European Monetary Union members become more similar in their cyclical behavior, it will take far longer for the convergence to include the new member nations expected to come in within the next 10 or 15 years. The chances for consensus on the Governing Council, however thin now, will become far more distant with more members representing divergent national economies. And the larger nations, like Germany, France and Italy, might well resent the power of representatives from much smaller nations to outvote them on monetary policy. All of this does not mean that the European Monetary Union is likely to fail. But clearly the arrival of the euro as the standard currency does not guarantee the union’s success. What is the main idea of Para. 4
_____, we have got plenty of time and money.
Part A For questions 1 - 5, you will hear a passage. Listen and answer the questions with the information you’ve heard. Write not more than 3 words in each blank. You will hear the recording twice. You now have 25 seconds to read the questions below. Franklin D. Roosevelt’s program was called ______.
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