题目内容：
1. This passage is mainly about .A. the definition of families
B. the changes of families
C. people.s new ideas of marriages
D. serious social problem in the U.S.
2. The word "stigma" in the second paragraph probably means " ".
A. shameful feeling
B.wonderful life
C.good fortune
D.natural gifts
3. What is a blended family?
A.A family formed by two parents and a child.
B.A family formed by two divorced parents and their children from earlier marriages.
C.A family formed by two single women and their children deserted by their husbands.
D.A family formed by two partners who are from different races.
4. In 1900, of all Americans lived in cities and suburbs.
A.25%
B.40%
C.60%
D.75%
5. What is the writer.s attitude towards thn now families?
A.Neutral.
B.Positive.
C.Negative.
D.Respectful.
参考答案：