单项选择题

The applied scientist ______.

A．is not always interested in practical problems
B．provides the basic knowledge for practice
C．applies the results of research to practice
D．does original research to understand the basic laws of nature

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热门试题

单项选择题

The author wants to tell us that America ______.

A．is experiencing a crisis of nationhood
B．is trying to restrict the Bill of Right
C．has ended its history of racial prejudice
D．has tried to obstruct intellectual freedom

单项选择题

According to Schlesinger, the United States is ______.

A．a melting pot
B．a nation with diverse cultures held together by the democratic process
C．a federation of ethnic and racial communities
D．a nation with various ethnic and racial groups