根据下面内容，回答题：
In ancient times wealth was measured and exchanged in things that could be touched: food,tools, and precious metals and stones. Then the barter system was replaced by coins, which still hadreal value since they were pieces of rare metal..Coins were followed by fiat money, paper notes thathave value only because everyone agrees to accept them.
Today electronic monetary systems are gradually being introduced that will transform money intoeven less tangible forms, reducing it to a series of "bits and bytes", or units of computerized informa-tion, going between machines at the speed of light. Already, electronic fund transfer allows money tobe instantly sent and received by different banks, companies, and countries through computers andtelecommunications devices.
48According to the passage, which of the following was the earliest kind of exchange of wealth?
A.Bartered goods.B.Fiat money.C.Coin currency.D.Intangible forms.
参考答案：A
参考解析：
根据文中第一段第一句可知，最早的财富交换形式是物物交换。
49The author mentions food, tools and precious metals and stones together because they are all
A.useful itemsB.articles of valueC.difficult things to obtainD.material objects
参考答案：D
参考解析：
根据文中第一段第一句中所提到的“things that could be touched...”可知，后面列举的东西都是真实可触及的物体。
50According to the passage, coins once had real value as currency because they
A.represented a great improvement over barterB.permitted easy transportation of wealthC.were made of precious metalsD.could become collector's items
参考答案：C
参考解析：
根据文中第一段第二句中“since theywere pieces of rare metal”指出，硬币正是因为它们自身的价值因此被用作货币的。
51Which of the following statements about computeriz monetary systems is NOT support-ed by the passage?
A.They promote international trade.B.They allow very rapid money transfers.C.They are still limited to small transactions(交易 ).D.They are dependent on good telecommunications systems.
参考答案：C
参考解析：
根据文章第二段可知，现代货币系统是电子的，快捷便利，具有相当的规模，不受地域的限制等，可知C项不正确，故选C项。
根据下面内容，回答题：
There has been, in history, a man who was swallowed by a whale and lived to tell the tale. Theman's name is James Bartley. The records to prove his unusual experience are in the British Admiralty.Bartley was making his first trip on the whaling ship Star of the East. Suddenly the lookoutsighted a huge sperm whale. The whalers knew it was a huge whale by the size of the spray it blewinto the air. They lowered their small boats. James.Bartley was in the first longboat. The men roweduntil they were close to the whale. A harpoon was thrown and it found its mark. It sank into thewhale's flesh. The maddened beast crashed into the boat, snapping its tail at the men and the wreck-age of their boats. When the survivors were picked up, James Bartley was missing.
Shortly before sunset, the whale was finally captured. The sailors tied the whale's dead body tothe side of the ship. Because of the hot weather it was important that they cut up the whale rightaway. Otherwise, the meat would 'begin to rot and the oil would begin to spoil. When they got to thestomach,they felt something moving about wildly. They thought it would be a big fish still alive in-side. But when they opened the stomach they found James Bartley. After this trip, Bartley settled inEngland, and never returned to sea.
52This passage is mainly about __________ .
A.how to hunt whales for their oil and meatB.the hard and dangerous lives that whalers had to liveC.the duties of each man on a whaling shipD.a man who was swallowed by a whale and lived
参考答案：D
参考解析：
文章讲的是一次事件，人被鲸鱼吞人肚中却活着出来了。D项是正确的。第52
53The sailors knew that something was in the whale's stomach because __________ .
A.they could feel it moving about wildlyB.the whale seemed very heavyC.the whale was swelling at one spotD.the captain heard Bartley yelling for help
参考答案：A
参考解析：
水手们能感觉到鲸鱼的胃里有东西在动。A项是正确的。
54James Bartley probably never went to sea again because __________ .
A.he wanted different kinds of adventuresB.of fright and shockC.he was crippled by the whaleD.he often got seasick
参考答案：B
参考解析：
最后一段说James Bartley自从这个事件后再也没有回到海上，可以推断他很害怕。其他三个选项文中都未涉及。B项是正确的。
55The author,in telling James Bartley's story,informs us by__________ .
A.narrating the plain factsB.referring to whaling in generalC.comparing whaling to other fishingD.dramatically telling what happened
参考答案：D
参考解析：
文章讲述了事件的戏剧性过程。D项是正确的。
V. Daily Conversation ( 15 points)
Directions:Pick out five appropriate expressions from the eight choices below and completethe following dialogue by blackening the corresponding letter on the Answer Sheet.
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