在线测试（四）

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1. fetch

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12. confirm

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14. flexibility

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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