单项选择题

According to this passage, an assumption is ______.

A．something that everyone knows
B．the idea the writer wants to emphasize
C．the reader's knowledge about the topic
D．foundation of the writer's reasoning
<上一题 目录 下一题>
热门 试题

单项选择题
The author implies that scientists develop a healthy skepticism because they are aware that ______.
A．mathematicians are better able to solve problems than scientists
B．changes in axiomatic propositions will inevitably undermine scientific arguments
C．well-defined situations are necessary for the design of reliable experiments
D．some factors in most situations must remain unknown
单项选择题
According to the passage, scientists are skeptical toward their equations because scientists ______.
A．work to explain real, rather than theoretical or simplified situations
B．know that well-defined problems are often the most difficult to solve
C．are unable to express their data in terms of multiple variables
D．are unwilling to relax the axioms they have developed
相关试题