曲线y=lnx上的点到直线2x-y+3=0的最短距离是( )。

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问题:

曲线y=lnx上的点到直线2x-y+3=0的最短距离是(    )。

考点:导数的概念及其几何意义两条平行直线间的距离
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根据民事诉讼法的相关规定,下列哪些诉讼没有规定由被告人住所地人民法院管辖()

A.因海难救助费用提起的诉讼

B.因船舶碰撞纠纷提起的诉讼

C.共同海损分担纠纷

D.其他海事损害赔偿事故损害赔偿纠纷

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口语交际台。

       小明的同学文文上课时突然病了,需要去医院。恰好小明的妈妈是中心医院的医生,老师要陪文文去医院,让小明给妈妈和文文的爸爸打电话,请妈妈给文文看病,并将此事通知文文的爸爸。  

       如果你是小明,在电话里应该怎么说?

       给妈妈打电话:                                                                                                                            

       给文文的爸爸打电话:                                                                                                                  

                                                                                                                                                            

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溃疡性结肠炎病变主要限于(),免疫机制及()是本病发生发展的主要原因。

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椎管容纳()。

A、脊髓

B、马尾

C、脂肪

D、血管

E、上述全对

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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 reaff’irms the boundaries of acceptable behavior. Second, and less recognized, it regulates the manner in which deviants are treated.

In the third paragraph, "a dual function" refers to ().

A. formal and informal

B. rewards and penalties

C. approval and disapproval

D. clarification and regulation

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