1、国家公共英语三级（旅游）练习试卷 6及答案与解析 Part B Directions: Read the text, match the items (61-65) to one of the statements (A to G) given below. Mark your answers on ANSWER SHEET 1. 0 Text When an invention is made, the inventor has three possible courses of action open to him: he can give the invention to the wor
2、ld by publishing it, keep the idea secret, or patent it. A granted patent is the result of a bargain struck between an inventor and the state, by which the inventor gets a limited period of monopoly and publishes full details of his invention to the public after that period terminates. Only in the m
3、ost exceptional circumstances is the life-span of a patent extended to alter this normal process of events. The longest extension ever granted was to Georges Valensi; his 1939 patent for color TV receiver circuitry was extended until 1971 because for most of the patents normal life there was no colo
4、r TV to receive and thus no hope of reward for the invention. Because a patent remains permanently public after it has terminated, the shelves of the library attached to the patent office contain details of literally millions of ideas that are free for anyone to use and, experts often advise anyone
5、wishing to avoid the high cost of conducting a search through live patents that the one sure way of avoiding violation of any other inventors right is to plagiarize a dead patent. Likewise, because publication of an idea in any other form permanently invalidates further patents on that idea, it is t
6、raditionally safe to take ideas from other areas of print. Much modern technological advance is based on these presumptions of legal security. Anyone closely involved in patents and inventions soon learns that most “new“ ideas are, in fact, as old as the hills, it is their reduction to commercial pr
7、actice, either through necessity or dedication, or through the availability of new technology, that makes news and money. The basic patent for the theory of magnetic recording dates back to 1885. Many of the original ideas behind television originate from the late 19th and 20th century. Even the Vol
8、kswagen rear engine car was anticipated by a 1904 patent for a cart with the horse at the rear. A. Patent. B. Publish the details of his invention. C. For Georges, there is neither color TV to receive nor reward for the invention. D. extend it E. steal F. no use for it G. it is put in use 1 What is
9、the passage mainly about? 2 What must a patent holder do when its legal period is over? 3 Why did Georges Valensis patent last till 1971? 4 The word “plagiarize“ most probably means _ . 5 From this passage we learn that an invention will not benefit the inventor unless _ . Part A 6 Write a short com
10、position, describing the relationship between demand for energy and the energy available from fossil fuels in Freedonia. 国家公共英语三级（旅游）练习试卷 6答案与解析 Part B Directions: Read the text, match the items (61-65) to one of the statements (A to G) given below. Mark your answers on ANSWER SHEET 1. 【知识模块】 旅游 1 【
11、正确答案】 A 【知识模块】 旅游 2 【正确答案】 B 【知识模块】 旅游 3 【正确答案】 C 【知识模块】 旅游 4 【正确答案】 E 【知识模块】 旅游 5 【正确答案】 C 【知识模块】 旅游 Part A 6 【正确答案】 The demand for energy dropped steadily between 1985 and 1990 from 5 units of energy to approximately 2 units. From 1990 until about 1995, energy demand appeared to level off and rema
12、ined constant at about 2 units of energy. From this time onwards, energy demand climbs dramatically from 2 units of energy in 1996 and is projected to reach 7 units in the year 2005. Furthermore, the forecast is for energy demand to continue to rise in the future. In contrast, the amount of energy a
13、vailable from fossil fuels increased quite rapidly from about 3.5 unit sice 1985 until it reached a peak of 6.5 in 1995. From this point onwards it is projected to decline dramatic-ally until it remains constant at an availability level of around 2.5 units from the year 2000. The energy demand and e
14、nergy available from fossil fuels resulted in an excess amount of energy available in the 1990s in Freedonia which, perhaps, was due to the availability of alternative sources of energy. On the other hand, an energy gap that continues to widen is forecast, beginning in the late 1990s. In the future, Freedonians will have to enforce energy saving measures or look towards the use of alternative sources of energy. 【知识模块】 旅游
