单项选择题

According to the passage, the work of scientists is similar to that of equations in infinitesimal calculus because scientists

A． work to explain concepts that are abstract in nature, not unlike infinity
B． recognize that meaning is not the only benefit of scientific endeavor
C． are unable to explain their work in any more concrete terms than mathematicians express theirs
D． can discover a series of more and more precise truths, but can never achieve absolute accuracy
E． are intrinsically more interested in formulas and theories than the predictions that can be made by them

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单项选择题

The author suggests that the appearance of a Unified Field Theory is which of the following

A． The theory is likely to be developed eventually, but then subsequently supplanted but more attractive models.
B． The theory, given its advanced nature, is likely to be even more significant to scientists than Newton's Principia was in its time.
C． The appearace of the theory will most likely underscore the hubris of scientists in attempting to describe nature.
D． The theory is certain to appear, and will serve undermine the pedagogical errors made by nineteenth-century professors.
E． The appearance of the theory is likely to unravel the existing structure of physics, discrediting the field's most fundamental assumptions.

单项选择题

ENRICH:

A． alleviate
B． exhaust
C． confiscate
D． quench
E． prevent