[外语类试卷]大学英语四级模拟试卷742及答案与解析.doc
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1、大学英语四级模拟试卷 742及答案与解析 一、 Part I Writing (30 minutes) 1 1. 在大学校园里,占座是很普遍的现象; 2有人认为,大学生课前占座是不文明的行为,也有人持不同意见; 3我的看法 On College Students Occupying Seats 二、 Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly
2、and answer the questions attached to the passage. For questions 1-7, mark: Y (for YES) if the statement agrees with the information given in the passage; N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 1
3、 Exchange Rates: A Brief History of Exchange Rates For centuries, the currencies of the world were backed by gold. That is, a piece of paper currency issued by any world government represented a real amount of gold held in a vault by that government. In the 1930s, the U. S. set the value of the doll
4、ar at a single, unchanging level; 1 ounce of gold was worth $35. After World War II, other countries based the value of their currencies on the U. S. dollar. Since everyone knew how much gold a U. S. dollar was worth, then the value of any other currency against the dollar could be based on its valu
5、e in gold. A currency worth twice as much gold as a U. S. dollar was, therefore, also worth two U. S. dollars. Unfortunately, the real world of economics outpaced this system. The U. S. dollar suffered from inflation (its value relative to the goods it could purchase decreased), while other currenci
6、es became more valuable and more stable. Finally, in 1971, the U. S. took away the gold standard altogether. This meant that the dollar no longer represented an actual amount of a precious substance market forces alone determined its value. Today, the U. S. dollar still dominates many financial mark
7、ets. In fact, exchange rates are often expressed in terms of U. S. dollars. Currently, the U. S. dollar and the euro account for approximately 50 percent of all currency exchange transactions in the world. Adding British pounds, Canadian dollars, Australian dollars, and Japanese yen to the list acco
8、unts for over 80 percent of currency exchanges altogether. Methods of Exchange: The Floating Exchange Rate There are two main systems used to determine a currencys exchange rate; floating currency and pegged currency. The market determines a floating exchange rate. In other words, a currency is wort
9、h whatever buyers are willing to pay for it. This is determined by supply and demand, which is in turn driven by foreign investment, import/export ratios, inflation, and a host of other economic factors. Generally, countries with mature, stable economic markets will use a floating system. Virtually
10、every major nation uses this system, including the U. S. , Canada and Great Britain. Floating exchange rates are considered more efficient, because the market will automatically correct the rate to reflect inflation and other economic forces. The floating system isnt perfect, though. If a countrys e
11、conomy suffers from instability, a floating system will discourage investment. Investors could fall victim to wild swings in the exchange rates, as well as disastrous inflation. Methods of Exchange: The Pegged Exchange Rate A pegged, or fixed system, is one in which the exchange rate is set and arti
12、ficially maintained by the government. The rate will be pegged to some other countrys dollar, usually the U. S. dollar. The rate will not fluctuate from day to day. A government has to work to keep their pegged rate stable. Their national bank must hold large reserves of foreign currency to mitigate
13、 changes in supply and demand. If a sudden demand for a currency was to drive up the exchange rate, the national bank would have to release enough of that currency into the market to meet the demand. They can also buy up currency if low demand is lowering exchange rates. Countries that have immature
14、, potentially unstable economies usually use a pegged system. Developing nations can use this system to prevent out-of-control inflation. The system can backfire, however, if the real world market value of the currency is not reflected by the pegged rate. In that case, a black market may spring up,
15、where the currency will be traded at its market value, disregarding the governments peg. When people realize that their currency isnt worth as much as the pegged rate indicates, they may rush to exchange their money for other, more stable currencies. This can lead to economic disaster, since the sud
16、den flood of currency in world markets drives the exchange rate very low. So if a country doesnt take good care of their pegged rate, they may find themselves with worthless currency. Methods of Exchange: Hybrids In reality, few exchange rate systems are 100 percent floating, or 100 percent pegged.
17、Countries using a pegged rate can avoid market panics and inflationary disasters by using a floating peg. They peg their rate to the U. S. dollar, and that rate doesnt fluctuate from day to day. However, the government periodically reviews their peg, and makes minor adjustments to keep it in line wi
18、th the true market value. Floating systems arent really left to the mercy of market forces, either. Governments using floating exchange rates make changes to their national economic policy that can affect exchange rates, directly or indirectly. Tax cuts, changes to the national interest rate, and im
19、port tariffs can all change the value of a nations currency, even though the value technically floats. The Euro On January 1, 2002, the euro became the single currency of 12 member states of the European Union making it the second largest currency in the world (the U. S. dollar being the largest). T
20、his was, to date, the largest currency event in the history of the world; twelve national currencies completely disappeared and were replaced by the euro. Although the euro is fundamentally a tool to enhance political solidarity, it also has the economic effect of unifying the economies of participa
21、ting countries. Some of the euros advantages, in regard to economics, include: Elimination of exchange-rate fluctuations the euro eliminates the fluctuations of currency values across certain borders. Transaction costs tourists and others who cross several borders during the course of a trip had to
22、exchange their money as they entered each new country. The costs of MI of these exchanges added up significantly. With the euro, no exchanges are necessary within the Euroland countries. Increased trade across borders the price transparency, elimination of exchange-rate fluctuations, and the elimina
23、tion of exchange-transaction costs all contribute to an increase in trade across borders of all the Euroland countries. Increased cross-border employment with a single currency, it is less cumbersome for people to cross into the next country to work, because their salary is paid in the same currency
24、 they use in their own country. 2 _, other countries based the value of their currencies on the U. S. dollar. ( A) After World War I ( B) After World War II ( C) In 1930s ( D) In 1960s 3 The abolition of the gold standard in U. S. was resulted from_. ( A) the decline of the purchasing power of the U
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- 外语类 试卷 大学 英语四 模拟 742 答案 解析 DOC
