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问题 选择题

现在一杯有臭味的水，欲除去其臭味，正确的方法是（　　）

A．搅拌

B．吸附

C．静置

D．消毒

答案

A、根据搅拌加速了液体的流动，加快了固体的溶解，不会将臭味除去，故A错误；

B、吸附用的是活性炭，活性炭疏松多孔的结构可以吸附色素和异味，故B正确；

C、静置只会将大颗粒的不溶性的物质沉降下来，不会将臭味除去，故C错误；

D、消毒只会将溶液中的细菌和微生物除去，不会除去臭味，故D错误．

故选B．

单项选择题

Social control refers to social processes, planned or unplanned, by which people are taught, persuaded, or forced to conform to norms. In every society, some punishments or negative sanctions are established for deviant behavior. Without deviant behavior there would not be need for social control and without social control there would not be a way of recognizing the boundary between the acceptable and the unacceptable.Social control may be either formal or informal. Informal mechanisms include expressions of disapproval by significant others and withholding of positive rewards for disapproved behavior. Most people internalize norms in the course of socialization. This is any group’’s most powerful protection against deviance, in that the individual’’s own conscience operates as an agent of social control. When informal sanctions fail, formal agents of social control may be called upon. In contemporary society, such formal agents and agencies include psychiatry and other mental health professions; mental hospitals; police and courts of law; prisons; and social welfare agencies. All these formal agents function to limit, correct, and control violation of norms. Conflict theorists would also point out that social control agents and systems tend, in any society, to serve the interests of powerful groups and to enforce the norms most beneficial to those who make the rules and who, therefore, define unacceptable behavior.Social control, whether formal or informal, has a dual function. First, it punishes the wrongdoer and reaffirms the boundaries of acceptable behavior. Second, and less recognized, it regu lates the manner in which deviants are treated.

Formal agents of social control include the following EXCEPT________.

A．police stations

B．mental hospitals

C．welfare agencies

D．vocational schools
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问答题 论述题

经济全球化的本质、原因及主要内容是什么？
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