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
Of the following steps, which occurs before the others in making a decision worksheet
A．Listing the consequences of each solution.
B．Calculating a numerical summary of each solution.
C．Deciding which consequences are most important.
D．Writing down all possible solutions.
单项选择题
The author believes that a study of our dime novels ______.
A．is a waste of time
B．would be sufficient in itself to determine the essential characteristics of the American tradition
C．would be a valuable contribution in determining the essential characteristics of the American tradition
D．would be amusing but unimportant
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