单项选择题

According to the author, how is the approach of physicists to solving scientific problems

A．Practical for scientific purposes.
B．Detrimental to scientific progress.
C．Unimportant in most situations.
D．Expedient, but of little long-term value.

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单项选择题

According to the passage, mathematicians present a danger to scientists because ______.

A．mathematicians may provide theories that are incompatible with those already developed by scientists
B．mathematicians may define situation in a way that is incomprehensible to scientists
C．mathematicians may convince scientists that theoretical assumptions are facts
D．scientists may come to believe that axiomatic statements are untrue

单项选择题

The author's attitude toward Sophocles's statement is ______.

A．positive
B．negative
C．neutral
D．not mentioned