阅读下面短文，从短文后所给各题的四个选项（A、B、C、和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

The position of children in American family and society is no longer what is used to be. The1family in colonial(殖民时期的) North America was mainly concerned with survival and2that, its own economic prosperity. Thus, children were3in terms of their productivity(生产能力), and they played the role of producer quite early.4they fulfilled this role, their position in the family was one of subordination(附属).
With the5of the society, the position of children in the family and in the society became more important. In the complex and technological society6the United States has become, each7must fulfill a number of personal and occupational8and be in contact with many other member.9,viewing children as necessary members of society means that they are10more as people in their own right than as those of subordination. This acceptance of children as11participants in the family is reflected in various laws12the rights of children and in the social and public welfare programs.
This new13of children and the frequent contact between the members of society has also14an increasing interest in child-raising techniques. People today spend much time15the proper way to16children.
Nowadays, the socialization of the child in the United States is a17transaction(事务) between parent and child18a one-way, parent-to-child training19. As a consequence, socializing children and20with them over a long period of time is for parents a mixture of pleasure, satisfaction, and problems.

1．	A． poor B． ordinary C． happy D． wealthy

2．	A． except B． for C． beyond D． through

3．	A． supported B． received C． encouraged D． valued

4．	A． Until B． After C． Although D． When

5．	A． movement B． achievement C． development D． requirement

6．	A． that B． where C． when D． what

7．	A． parent B． member C． family D． relative

8．	A． purposes B． promises C． roles D． tasks

9．	A． Besides B． However C． Instead D． Therefore

10．	A． admired B． regarded C． made D． respected

11．	A． willing B． equal C． similar D． common

12．	A． enjoying B． preventing C． considering D． protecting

13．	A． view B． faith C． world D． study

14．	A． led in B． brought in C． resulted in D． taken in

15．	A． seeking B． making C． fighting D． working

16．	A． nurse B． praise C． understand D． raise

17．	A． one-sided B． many-sided C． round-way D． two-way

18．	A． more than B． rather than C． better than D． less than

19．	A． manner B． method C． program D． guide

20．	A． talking B． living C． playing D． discussing