单项选择题

The author writes the development of geology to demonstrate ______.

A．the process of specialization and professionalisation
B．the hardship of amateurs in scientific study
C．the change of policies in scientific publications
D．the discrimination of professionals against amateurs

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热门试题

单项选择题We can infer from the passage that ______.

A．there is little distinction between specialization and professionalisation
B．amateurs can compete with professionals in some areas of science
C．professionals tend to welcome amateurs into the scientific community
D．amateurs have national academic societies but no local ones

单项选择题The growth of specialization in the 19th century might be more clearly seen in sciences such as ______.

A．sociology and chemistry
B．physics and psychology
C．sociology and psychology
D．physics and chemistry