单项选择题

The tone of the passage is ______.

A．critical but hopeful
B．hopeful but suspicious
C．suspicious but speculative
D．speculative but hopeful
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单项选择题
It can be inferred that the author sees Zuckerkandl as believing that mathematics is a(n) ______.
A．necessary evil
B．language
C．musical notation
D．great hindrance to full understanding of physics
单项选择题
Which of the following can be best described as the central idea of the passage
A．Anomalies in theoretical physics notation permit intriguing hypotheses and indicate the need for refined notation of the time dimension.
B．New observations require the development of new theories and new methods of describing the new theories.
C．Einsteinian physics can be much improved in its treatment of tachyons.
D．Time requires a more imaginative approach than tachyons.
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