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GRE阅读模拟在线练习附答案一百五十三

2018-11-09 16:44:00来源：网络

　　The primary purpose of the passage is to

　　A.discuss a problem that hinders precise perception of the world

　　B.point out the inadequacies of accepted units of measurement

　　C.criticize attempts to distinguish between perceiving subjects and perceived objects

　　D.ompare and contrast rival scientific hypotheses about how the world should be measured and observed

　　E.suggest the limited function of sensory observation

　　According to the passage, quanta with an extremely long wavelength cannot be used to give complete information about the physical world because they

　　A.exist independently of sense-data

　　B.are graduated only in inches

　　C.have an insignificant amount of energy

　　D.cannot, with present-day instruments, be isolated from quanta of shorter wavelength

　　E.provide an insufficiently precise means of measuring length and position

　　Which of the following describes a situation most analogous to the situation discussed in lines 11-17?

　　A.A mathematician can only solve problems the solution of which can be deduced from known axioms.

　　B.An animal can respond to no command that is more complicated syntactically than any it has previously received.

　　C.A viewer who has not learned, at least intuitively, the conventions of painting, cannot understand perspective in a drawing.

　　D.A sensitized film will record no detail on a scale that is smaller than the grain of the film.

　　E.A shadow cast on a screen by an opaque object will have a sharp edge only if the light source is small or very distant.

　　The author uses the analogy of the child's drawing (lines 22-24) primarily in order to

　　A.illustrate the ultimate limitation in the precision of sense-data conveyed by quanta

　　B.show the sense of helplessness scientists feel in the face of significant observational problems

　　C.anticipate the objections of those scientists who believe that no instrumental aid to observation is entirely reliable

　　D.exemplify the similarities between packages of energy and varieties of color

　　E.disparage those scientists who believe that measurement by means of quanta offers an accurate picture of the world

　　The author implies that making a sharp division between subject and object in physics is

　　A.possible in a measurement of an object's length and position, but not in a measurement of its energy

　　B.still theoretically possible in the small-scale world of atoms and electrons

　　C.possible in the case of observations involving the passage of a complete quantum

　　D.no longer an entirely accurate way to describe observation of the universe

　　E.a goal at which scientists still aim

　　The author's use of the phrase "in a sense" (line 43) implies which of the following?

　　A.Quanta of extremely long wavelength are essentially graduated in inches.

　　B.Quanta of one-inch wavelength are not precisely analogous to yardsticks graduated in inches.

　　C.Quanta of extremely long wavelength, in at least one respect, resemble quanta of shorter wavelength.

　　D.Quanta of one-inch wavelength and quanta of extremely long wavelength do not differ only in their wavelengths.

　　E.Quanta of one-inch wavelength must be measured by different standards than quanta of extremely long wavelength.

　　According to the passage, the quantum theory can be distinguished from previous theories of physics by its

　　A.insistence on scrupulously precise mathematical formulations

　　B.understanding of the inherent interrelationship of perceiver and perceived

　　C.recognition of the need for sophisticated instruments of measurement

　　D.emphasis on small-scale rather than on large-scale phenomena

　　E.regard for philosophical issues as well as for strictly scientific ones

　　正确答案:A E D A D B B

　　以上就是关于“GRE阅读模拟在线练习附答案一百五十三”的内容，更多精彩内容，请关注GRE频道!


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