(2)What are we told about the current impact of the internet in the second paragraph?
A. Publishers benefit from their exploitation of the interne
B. The internet has made it easier to analyse business trend
C. It is difficult to calculate the true economic value of the interne
D. The internet facilitates the development of the knowledge econom
(3)In the third paragraph, what does the writer say about knowledge?
A. Acquiring knowledge can be expensiv
B. The most valuable knowledge concerns I
C. Trading knowledge raises issues of securit
D. New businesses find it hard to trade in knowledg
(4)What point is made about knowledge in the fourth paragraph?
A. It provides specialist informatio
B. Its appeal lies in its exclusivit
C. It can generate new idea
D. Its value accumulate
(5)Which application of knowledge does the writer regard as particularly useful?
A. analysing manufacturing trends
B. introducing compatible parties
C. interpreting time constraints
D. advising on legislation
(6)What key feature is provided by ?
A. approaches that reflect the providers' own experience
B. access to appropriately trained potential employees
C. advice which directly benefits the bottom line
D. advertising which is carefully targeted
For each question(21-30),mark one letter(A,B,CorD)
(1)根据下列短文，回答{TSE}题：