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It would be interesting to discover how many young people go to university without any clear idea of what they are going to do afterwards. If one considers the enormous variety of courses 62 , it is not hard to see how difficult it is for a student to select the course most suited to his 63 and abilities. If a student goes to university to acquire a broader 64 of life, to enlarge his ideas and to learn to think for himself, he will 65 benefit. Schools often have too restricting an atmosphere, with its time tables and 66 , to allow him much time for independent 67 of the work he is asked to do. Most students would, I believe, 68 by a year of such exploration of different academic studies, especially those "all rounders" with no 69 interest. They should have longer time to decide in what subject they want to take their degrees, so 70 in later life, they do not look 71 and say, "I should like to have been an archaeologist. 72 I hadn’t taken a degree in Modern Languages, I shouldn’t have ended up as a(n) 73 , but it’s too late now. I couldn’t go back and begin all over again." There is, of course, another side to the question of how to make the best 74 of one’s time at university. This is the case of the student who excels in a particular branch of learning. He is immediately 75 by the University of his choice, and spends his three or four years becoming a specialist, emerging with a first-class Honour Degree and very 76 knowledge of what the rest of the world is all about. it 77 becomes more and more important that. If students are not to waste their 78 , there will have to be much more 79 information about courses and more advice. Only in this way can we be sure that we are not to have, on the one hand. a hand of specialists 80 of anything outside of their own subject, and on the other hand, an ever increasing number of graduates 81 in subjects for which there is little or no demand in the working world.

A. knowledge
B. possibilities
C. opportunities
D. options

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典型的人工智能语言一般包括 (1) 语言。匹配(match)、合一(unification)和Horn子句是 (2) 语言中的重要概念。 (3) 、 (4) 、 (5) 都是人工智能语言。

A. 对象式和逻辑式
B. 对象式和函数式
C. 逻辑式和函数式
D. 对象式

通道处理机在数据传送过程中,通道选择一次设备需要的时间为4.8μs,传送一个字节数据需0.2μs。某设备每隔500μs发出一次传送一个字节数据的请求。该通道处理机进行字节多路通道传送时,通道极限流量应为 (52) 。在理想的情况下,此通道上最多可挂接 (53) 台这样的设备。 (53)是()

A. 50
B. 100
C. 150
D. 200

Questions 47 to 51 are based on the following passage. Japanese firms have achieved the highest levels of manufacturing efficiency in the world auto mobile industry. Some observers of Japan have assumed that Japanese firms use the same manufacturing equipment and techniques as United States firms but have benefited from the unique characteristics of Japanese employees and the Japanese culture. However, if this were true, then one would expect Japanese auto plants in the United States to perform no better than factories run by United States companies. This is not the case. Japanese-run automobile plants located in the United States and staffed by local workers have demonstrated higher levels of productivity when compared with factories owned by United States companies. Other observers link high Japanese productivity to higher levels of capital investment per worker. But a historical perspective leads to a different conclusion. When the two top Japanese automobile makers matched and then doubled United States productivity levels in the mid-sixties, capital investment per employee was comparable to that of United States firms. Furthermore, by the late seventies, the amount of fixed assets required to produce one vehicle was roughly equivalent in Japan and in the United States. Since capital investment was not higher in Japan, it had to be other factors that led to higher productivity. A more fruitful explanation may lie with Japanese production techniques. Japanese automobile producers did not simply implement conventional processes more effectively; they made critical change in United States procedures. For instance, the mass-production philosophy of United States automakers encouraged the production of huge lots of cars in order to utilize fully expensive, component-specific equipment and to occupy fully workers who have been trained to execute one operation efficiently. Japanese automakers chose to make small-lot production feasible by introducing several departures from United States practices, including the use of flexible equipment that could be altered easily to do several different production tasks and the training of workers in multiple jobs. Automakers could schedule the production of different components or models on single machines, thereby eliminating the need to store the spare stocks of extra components that result when specialized equipment and workers are kept constantly active. In the mass-production philosophy, workers are usually trained to ______.

Passage OneQuestions 26 to 28 are based on the passage you have just heard.

A. Because the fish population is increasing.
Because the temperature there is increasing.
C. Because the temperature there is decreasing.
D. Because the ozone layer is disappearing.

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