找考题网-背景图

单项选择题

According to the passage, random failures in automatic control systems are "not merely trivial aberrations" because ______.

A．automatic control systems are designed by engineers who have little practical experience in the field
B．the failures are characteristic of systems designed by engineers relying too heavily on concepts in mathematics
C．designers of automatic control systems have too little training in the analysis of mechanical difficulties
D．designers of automatic control systems need more help from scientists who have a better understanding of the analytical problems to be solved before such systems can work efficiently

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单项选择题Which of the following statements would best serve as an introduction to the passage

A．The assumption that the knowledge incorporated in technological developments must be derived from science ignores the many non-scientific decisions made by technologists.
B．Analytical thought is no longer a vital component in the success of technological development.
C．As knowledge of technology has increased, the tendency has been to lose sight of the important role played by scientific thought in making decisions about form, arrangement, and texture.
D．A technologist thinking about a machine, reasoning through the successive steps in a dynamic process, can actually turn the machine over mentally.

单项选择题In the passage, the author is primarily concerned with ______.

A．identifying the kinds of thinking that are used by technologists
B．stressing the importance of nonverbal thinking in engineering design
C．contrasting the goals of engineers with those of technologists
D．criticizing engineering schools for emphasizing science in engineering curricula

单项选择题According to the passage, John Coltrane did all of the following during his career EXCEPT ______.

A．improvise on melodies from a number of different cultures
B．spend time improving his technical skills
C．experiment with the sounds of various instruments
D．eliminate the influence of bebop on his own music

单项选择题The author uses the example of the early models of high-speed railroad cars primarily to ______.

A．support the thesis that the number of errors in modern engineering systems is likely to increase
B．illustrate the idea that courses in design are the most effective means for reducing the cost of designing engineering systems
C．support the contention that a lack of attention to the nonscientific aspects of design results in poor conceptualization by engineers
D．weaken the proposition that mathematics is a necessary part of the study of design

单项选择题In terms of its tone and form, the passage can best be characterized as ______.

A．dogmatic explanation
B．indignant denial
C．enthusiastic praise
D．lukewarm review