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Task 4In general, the ancient Romans were a practical people. They cared less about philosophy anti pure mathematics than did the Greeks. The Romans were the best of the ancient engineers anti architects. They were brilliant students of Greek geometry and trigonometry, and they applied their knowledge to the constructions of fine bridges, roads, aqueducts, and public buildings.They knew about the smelting of iron ore, but they used the iron they produced mainly for spears, swords, and shields, rather than for building construction.While the Romans accomplished practical wonders, they did very little theoretical scientific thinking. Because of their frequent wars, many of their inventions were no more than improvements in the design of Greek weapons with which they were familiar.There are two reasons for the Romans neglect of philosophy and pure mathematics. First, they were apparently too busy conquering nearby nations and forming them into a rapidly growing empire to waste much time on abstract thinking. Secondly, they were handicapped by the rigidity of their numerical system. The Romans did all of their arithmetic on an abacus, the ancient counterpart of the modem computing machine. Their number system discouraged the study of pure mathematics. It can be inferred form the passage that（）.
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Section ADirections: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. The conversation and the question will be spoken only once. After the question there will be a pause of about 15 seconds. During the pause, you must read the 4 suggested answers marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the center. How does John feel（）
某公司需建立产品信息数据库，经调查其业务要求如下： Ⅰ．一种产品可以使用多个不同种类的部件，也可以使用多个不同种类的零件；一种部件至少被用在一种产品中；一种部件可以由多个不同种类的零件组成；一种零件至少被用在一种产品或一种部件中。 Ⅱ．对于一种具体的部件，要记录这种部件使用的各种零件的数量。 Ⅲ．对于一种具体的产品，要记录这种产品使用的各种部件数量和各种零件数量，但部件所使用的零件数量不计入该种产品的零件数量。 Ⅳ．一个供应商可供应多种零件，但一种零件只能由一个供应商供应。 根据以上业务要求，某建模人员构建了如下E-R图： 此E-R图中的实体的属性完整，但实体、联系的设计存在不合理之处。 请重新构建合理的E-R图，使之符合业务要求，且信息完整。
Section ADirections: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. The conversation and the question will be spoken only once. After the question there will be a pause of about 15 seconds. During the pause, you must read the 4 suggested answers marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the center. What does the woman want the man to do（）
Task 2The Swedes are among the most charming peoples in Europe. And their charm comes from an apparent contradiction in the national character, They are extremely conservative in social relationships; within the family and when meeting friends and business acquaintances, their conduct is governed by strict social patterns. At the same time, they are one of the most intellectually progressive people in the world. They are always open to new ideas.All social occasions in Sweden are regulated by rules and traditions. And these traditions are expressed in a specific ritual made up of formal bows, handshakes, and greetings. When a visitor enters a Swedish home, he is invariably received with a "Welcome"; when he leaves, his host will tell him "You will be welcome again." These charming phrases are an indestructible part of Swedish social life and they give it an old - world flavor of good manners, The Swedes are charming peoples because（）.
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