单项选择题

A．there is little distinction between specialization an……

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

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单项选择题The direct reason for specialization is ______.

A．the development in communication
B．the growth of professionalisation
C．the expansion of scientific knowledge
D．the splitting up of academic societies

单项选择题The last sentence of the first paragraph most probably implies that it is ______.

A．customary of the educated to discard ambition in words
B．too late to check ambition once it has been let out
C．dishonest to deny ambition after the fulfillment of the goal
D．impractical for the educated to enjoy benefits from ambition

单项选择题Some people do not openly admit they have ambition because ______.

A．they think of it as immoral
B．their pursuits are not fame or wealth
C．ambition is not closely related to material benefits
D．they do not want to appear greedy and contemptible

单项选择题It is generally believed that ambition may be well regarded if ______.

A．its returns well compensate for the sacrifices
B．it is rewarded with money, fame and power
C．its goals are spiritual rather than material
D．it is shared by the rich and the famous

单项选择题From the last paragraph the conclusion can be drawn that ambition should be maintained ______.

A．secretly and vigorously
B．openly and enthusiastically
C．easily and momentarily
D．verbally and spiritually