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 it used to be. The   1family in colonial （殖民时期的） North Americn was mainly concerned with survival and   2that, its own economic prosperity. Thus, children were   3in terms of their producitivity （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）。

Which the   5of the society, the position of children in the family and in the society became more important, In the complex and technological society   6the United States has become, each   7must fulfill a number of personal and occupational   8and be in contact with many other members.   9, viewing children as necessary members of society means that they are   10more as people in their own right than as those of subordination. This acepiance of children as   11participants in the family is reflected in various laws   12the rights of children and in the social and public welfare programs.

This new   13of children and the frequent contact between the members of society has also   14an increasing interest in child-raising techniques. People today spend much time   15the proper way to   16children.

Nowadays, the socialization of the child in the United States is a   17transaction （事务）between parent and child   18a one-way, parent-to-child training   19. As a consequence, socializaing children and   20with 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. heyond           D. through

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

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

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

6.A. that               B. where            C. when                 D. what

7.A.pareat        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.result 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.ratherthan       C.better than     D.less than

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

20.A.taking       B.living          C.playing        D.disussing