单项选择题

The passage is mainly concerned with ______.

A．application of analogy in studying juvenile delinquency
B．a research design concerning juvenile delinquency
C．significance of juvenile delinquency
D．an extensive survey of researches in juvenile delinquency

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热门试题

单项选择题

In the first paragraph, the author draws an analogy between ______.

A．doing research and drawing a picture
B．research finding and picture perspective
C．designing a research and making a quick drawing
D．a researcher and a painter

单项选择题

According to the author, three design types of previous researches are ______.

A．interrelated to one another
B．supplementary to one another
C．to be modified considerably
D．to be integrated into one design