单项选择题

In order to solve scientific problems, people ______.

A．should not be afraid of what others think
B．should be mad
C．must possess crazy notions
D．should have inhibitions
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单项选择题
What is the main purpose of this passage
A．To prove that taxes in the United States are too high.
B．To show the importance of tax collection.
C．To compare the three types of taxes in the United States.
D．To explain the percentage of federal taxes.
单项选择题
It can be inferred from the passage that the New Deal was a term that arose during the ______.
A．final busy years of Eleanor Roosevelt' s life
B．presidency of Franklin Delano Roosevelt
C．formation of new political parties
D．broadcasting of television programs about the Roosevelts
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