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.

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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.

单项选择题It can be inferred that before the introduction of television, political parties

A．had more influence over the selection of political candidates.
B．spent more money to promote their political candidates.
C．attracted more members.
D．received more money.

单项选择题What is the main point of the passage

A．Citizens in the United States are now more informed about political issues because of television coverage.
B．Citizens in the United States prefer to see politicians on television instead of in person.
C．Politics in the United States has become substantially more controversial since the introduction of television.
D．Politics in the United States has been significantly changed by television.

单项选择题The author mentions the stump speech in paragraph 2 as an example of

A．an event created by politicians to attract media attention.
B．an interactive discussion between two politicians.
C．a kind of political presentation types of the nineteenth century.
D．a style of speech common to televised political events.