23．Paragraph 2_____.
24．Paragraph 3_____.
25．Paragraph 4_____.
26．Paragraph 5_____.
A．Causes of Changes
B．Increasing Number of Museums and Visitors
C．Museums Getting Closer to More Spectators
D．Movies Shown in Museums
E．New Notions about the Management of Museums
F．Places to Visit
27．Now museums are no longer restricted to the privileged few，but_____．
28．With the development of society，people，especially the young people，_____.
29．To meet the needs of society，more museums_____.
30．Two major problems for museums are that they have too many visitors and they_____.
A．have higher demands of museums
B．are open to more people with different social background
C．to lengthen their opening hours
D．charge too little for admission
E．have been built and open to public
F．by lowering the admission fees