4   Paragraph 5            来源：考试大
5   The effect of all this has been to change existing museums and to encourage the building of new ones．In the US and Canada alone，there are now more than 6,000 museums, almost twice as many as there were 25 years ago．About half of them are devoted to history, and the rest are evenly divided between the arts and sciences．The number of visitors, according to the American Association of museums，has risen to more than 700 million a year．
3． B。 分析：首先注意段落中是否出现重复的词汇—段落核心词，发现没有明显的核心词出现，所以关注段首句和/或段未句，发现段首句在内容上讲述鼓励增加博物馆的数量，而段未句谈到参观者人数的增加，因此判断B是答案。
思路特点：借助段首句和段未句的句意综合判断答案。
 
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来源：考试大
E have been built and open to public
F by lowering the admission fees来源：考试大
 
5.Now museums are no longer restricted to the privileged few，but             ．
5．B. 分析：该句可直接借助搭配句意判断答案：不再是对有特权的少数人开放，而是面向有着不同背静的大多数人。
 
A have higher demands of museums来源：考试大
C to lengthen their opening hours来源：考试大
D charge too little for admission   来源：考试大
E have been built and open to public
F by lowering the admission fees
 
6.     With the development of society, people，especially the young people，__________.  
6．分析：空格处需要谓语，从搭配句意上看A合适：（年轻人对博物馆有更高的要求。）
 
C to lengthen their opening hours
D charge too little for admission  
E have been built and open to public来源：考试大
F by lowering the admission fees
 
7.To meet the needs of society，more museums             .
7． E。分析：借助前面解答概括大意时的理解—需要修建更多的博物馆，判断E是答案。
 
C to lengthen their opening hours来源：考试大
D charge too little for admission  
F by lowering the admission fees
 
8.Two major problems for museums are that they have too many visitors and they           
8． D。 分析：空格处需要谓语，所以D合适。也可以借助文章中的相关句来解答问题，利用题干中的核心词major problems for museums作为答案线索，这样发现答案相关句：In fact，the crowds of visitors at some museums are creating a major problem．Admission to museums has always been either free or very inexpensive，but now some museums are charging entrance fees for the first time or raising their prices．Even when raised, however, entrance fees are generally too low to support a museum，with its usually 1arge building and its highly trained staff．该句直接揭示答案是D。