共用题干 American Families1 Despite social and economic differences among Americans,many American families have certain characteristics in common.Both the husband and wife were born in the United States,and their forefathers came from Europe.They have complet

题目

共用题干
American Families
1 Despite social and economic differences among Americans,many American families have certain characteristics in common.Both the husband and wife were born in the United States,and their forefathers came from Europe.They have completed high school,and they belong to the middle class.They have a car, a television set,a washing machine,a refrigerator,a telephone,etc.They own their own home and spend about 55%of their income for housing and food.Clothing accounts for almost 10%of their income,medical care 6%,transportation 8%and taxes 15%.The rest of their income is used for such items as insurance, savings,gifts,and recreation.
2 Most families consist of a mother,a father,and,at most,two children living at home.There may be relatives-grandparents,aunts,uncles,cousins living in the same community,but American families usually maintain separate households.This family structure is known as the"nuclear family".It is unusual. for members of the family other than the husband,wife,and children to live together.
3 Marriage in the United States is considered a matte,r of individual responsibility and decision.Young people frequently fall in love and many even if their parents disagree.American marriages are usually based on romantic love,rather than on social class,education,or religion.
4 After their marriage the young couple is free to decide where to live and when to start a family.Most young couples set up their own household immediately.In the early 1970s only 15%of all married couples were not living on their own-independently and by themselves.Most married people practise some kind of birth control.They plan the number of children they are going to have and when their children will be born. The practice of limiting the size of families has general approval.The birth rate has been declining steadily in recent years.

Most married couple don't______.
A:live with their parents
B:their own decisions
C:most American families are usually small
D:the family structure
E:some similar features
F:has been dropping

参考答案和解析

答案：A

解析：

第一段的主旨句是第一句：" Despite social and economic differences among Americans,many American families have certain characteristics in common." D项中的“features”是主旨句中" characteristics”的同义转换。
第二段主要讲的是美国家庭是由哪些成员组成的，即常见的美国家庭的结构。
第三段第一句是主旨句，根据其中的“Marriage”把答案圈定在A.玖F三项，又由第三段最后一句可知，美国婚姻基于真爱而非基于社会阶级、教育和宗教，排除F项。本段主要讲的是婚姻观念而非婚姻生活，因此选择E项。
第四段的主旨句是第一句，主要讲的是美国年轻夫妻的婚后生活。A项中的“post-marriage"甲是第四段第一句中“After their marriage”的同义转换。
根据第一段第一句可知，美国很多家庭都有一定的相似之处。E项中的“some similarfeatures”是第一段第一句中“certain characteristics in common”的同义转换。
根据第三段第一句“Marriage in the United States is considered a matter of individualresponsibility and decision.”可知，美国年轻人自己负责和决定他们的婚姻。B项中的“theirown decisions”是第三段第一句中“individual responsibility and decision”的同义转换。
根据第四段第二句“Most young couples set up their own household immediatily.”可知，许多年轻人在婚后立即建立自己的家庭，不再与他们的父母住在一起。
根据第四段最后一句“The birth rate has been declining steadily in recent years.”可知，出生率近年来持续下降。F项中的“dropping”是对第四段最后一句中“declining”的同义改写。

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