32.We can infer from the passage that（ ） .
[A] there is little distinction between specialisation 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
34. The direct reason for specialisation is （ ）.
[A] the development in communication
[B] the growth of professionalisation
[C] the expansion of scientific knowledge
[D] the splitting up of academic societies
