单项选择题

The author develops the discussion in paragraph I by means of ______.

A．describing a process
B．classifying types of worksheets
C．providing historical background
D．explaining a theory
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单项选择题
What does the passage mainly discuss
A．A method to assist in making complex decisions.
B．A comparison of actual decisions and ideal decisions.
C．Research on how people make decisions.
D．Differences between long-range and short-range decision making.
单项选择题
The principal intention of the author of a dime novel was to ______.
A．explore a segment of American society
B．promote the American political philosophy
C．raise the level of intelligence of the great masses of people
D．make money
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