单项选择题

Which statement is true

A．A question is important and therefore it is scientific.
B．A question is unscientific and therefore no scientist believes it.
C．A fact is a descriptive statement upon which all qualified observers agree in believing to be accurate.
D．Scientists sometimes study metaphysics.,

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单项选择题The word concrete in the second sentence of the passage means

A．general.
B．particular.
C．scientific.
D．verifiable.

单项选择题The central idea of the passage is

A．scientific knowledge is based on verifiable evidence.
B．science does not have answers for verifiable evidence.
C．science has no absolute truths.
D．the scientific method requires that all conclusions be open to reexamination whenever new evidence is found to challenge them.

单项选择题All scientific truth is tentative because

A．evidence is basically a value judgment.
B．evidence is basically an esthetic judgment.
C．evidence is basically a purposeful judgment.
D．evidence is basically a factual judgment.

单项选择题Which statement is NOT true

A．Science answers questions about accurate facts.
B．Science answers questions about observations.
C．Scientists cannot study the social consequences of beliefs.
D．Scientists can study the truth or error of beliefs.

单项选择题The purpose of paragraph 4 is to suggest that

A．politicians will need to learn to become more personal when meeting citizens.
B．politicians who are considered very attractive are favored by citizens over politicians who are less attractive.
C．citizens tend to favor a politician who analyzes the issues over one who does not.
D．citizens will need to learn how to evaluate visual political images in order to become better informed.