判断空格(49)最有特点，所以首先考虑。
A There’s more pressure to get married nowadays (与文章主题相反，且表意简单，因此可能是干扰项)
B The growing number of women with good jobs has done much to increase the number of people living alone.(与文章主题一致，可能是答案)
C However， even more people are living alone because they have chosen to.
D It seems that many grown-ups today are realizing that childhood dream
E In fact，a quarter of the 23 million single people in the U.S.are under the age of 35 (事实举例句，可能是答案)
F He says，“I like being by myself.”(与文章主题一致，可能是答案)
The number one reason given by most people for living alone is that they simply enjoy doing what they want when they want to do it.“Living alone is a luxury，”says Nina Hagiwara， “Once you do it，you can’t ever go back to living with others.’’David C’Debaca， agrees. (49)
F.分析：空格前句提到 “独自生活是一种享受，一旦你独自生活了，你就不可能再返回去和他人生活在一起”。而且前面提到了一个具体的人和他发表的评论，所以比较被选项发现F最合适：在含义上(我喜欢独自生活)与前句内容一致，而且有代词He直接和前句中的 David C’Debaca呼应。
考点：相临语句语意围绕一个中心发展。代词的指代特点。
A There’s more pressure to get married nowadays (与文章主题相反，且表意简单，因此可能是干扰项)
B The growing number of women with good jobs has done much to increase the number of people living alone.(与文章主题一致，可能是答案)
C However， even more people are living alone because they have chosen to.
D It seems that many grown-ups today are realizing that childhood dream
E In fact，a quarter of the 23 million single people in the U.S.are under the age of 35 (事实举例句，可能是答案)
More and more Americans are living alone.Some live alone because of divorce or the death of a partner.——(46)According to a recent U.S.census(人口普查)，25 percent of all households in the U.S.are made up of just one person.This is a dramatic change from the extended families of just a couple of generations ago.
C.分析：前句中是在对美国独身人中的具体情况进行介绍，而且提到了一些美国人独身的原因，判断C是答案：C中提到了更大多数美国人独身的原因。
考点：相临语句语意围绕一个中心发展。“观点句 事实分析句”的逻辑发展特点。
A There’s more pressure to get married nowadays (与文章主题相反，且表意简单，因此可能是干扰项)
B The growing number of women with good jobs has done much to increase the number of people living alone.(与文章主题一致，可能是答案)
D It seems that many grown-ups today are realizing that childhood dream
E In fact，a quarter of the 23 million single people in the U.S.are under the age of 35 (事实举例句，可能是答案)
The typical person living alone is neither old nor lonely.——(47)The majority of these people have chosen to live alone.They are responding to decreasing social pressure to get married and have a family.
E分析：空格后句中出现代词“these people”，而空格前句出现的人是单数形式，因此判断空格处应该出现表意复数的人。而且空格前句提到了“年龄的老”，所以判断E是答案(a quarter of the 23 million single people是复数名词，而且E中提到了年龄)
考点：观点句 事实举例句的逻辑结构
A There’s more pressure to get married nowadays (与文章主题相反，且表意简单，因此可能是干扰项)
B The growing number of women with good jobs has done much to increase the number of people living alone.(与文章主题一致，可能是答案)
D It seems that many grown-ups today are realizing that childhood dream
It’s now socially acceptable，even fashionable，to live alone.As people get better jobs and become financially independent，it becomes possible for them to maintain a one-Person household.——(48)However， people who do get married are marrying at a later age and divorcing more often.
B.分析：前句中提到“经济独立”有可能造成保持一个人的家庭生活，B中的“妇女有好的工作，增加了独身的人数”与前句内容正好呼应。
考点：观点句 事实分析句的逻辑结构
A There’s more pressure to get married nowadays (与文章主题相反，且表意简单，因此可能是干扰项)
D It seems that many grown-ups today are realizing that childhood dream
Children think that being grown up means being able to do exactly as they please.
(50)The chance to discover whether that freedom is as wonderful as it sounds is a chance more and more Americans are taking.
D.分析：空格前面句子中出现了grown up，该词在D中正好有呼应，所以重点关注。后句中的“自由”也是“梦想”中的一个部分，所以D是答案。