单项选择题

What can we infer from the passage

A．A good writer should clearly state all his assumptions.
B．Once we find assumptions, we will find the writer's problems.
C．We need not clearly express our assumptions in oral communication.
D．Major assumptions are important for both the writer and the reader.

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单项选择题Assumptions are important for critical readers because they can help readers to ______.

A．grasp the topic exactly
B．understand the argument passage exactly
C．evaluate the argument passage
D．compare the argument passage with similar argument passages

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 suggests that a mathematician asked to solve a problem in an ill-defined situation would first attempt to ______.

A．identify an analogous situation
B．simplify and define the situation
C．vary the underlying assumptions of a description of the situation
D．determine what use would be made of the solution provided

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.

单项选择题The author's attitude toward Sophocles's statement is ______.

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