Imagine a world in which there was suddenly no emotion--a world in which human beings could feel no love or happiness, no terror or hate. Try to imagine the consequences of such a transformation. People might not be able to stay alive: knowing neither joy nor pleasure, anxiety nor fear, they would be as likely to repeat acts that hurt them as acts that were beneficial. They could not learn: they could not benefit from experience because this emotional world would lack rewards and punishments. Society would soon disappear: people would be as likely to harm one another as to provide help and support. Human relationships would not exist: in a World without’ friends or enemies, there could be no marriage, affection among companions, or bonds among members of groups. Society’s economic underpinnings (支柱) would be destroyed: since earning $10 million would be no more pleasant than earning ＄10, there would be no incentive to work. In fact, there would be no incentives of any kind. For as we will see, incentives imply a capacity to enjoy them. In such a world, the chances that the human species would survive are next to zero, because emotions are the basic instrument of our survival and adaptation. Emotions structure the world for us in implant ( 嵌入, 插入)ways. As individuals, we categorize objects on the basis of our emotions. True, we consider the length, shape, size, or texture, but an object’s physical aspects are less important than what it has done or can do to us--hurt us, surprise us, anger us or make us joyful. We also use categorizations colored by emotions in our families, communities, and overall society. Out of our emotional experiences with objects and events comes a social feeling of agreement that certain things and actions are "good" and others are "bad", and we apply these categories to every aspect of our social life--from what foods we eat and what clothes we wear to how we keep promises and which people our group will accept. In fact, society exploits our emotional reactions and attitudes, such as loyalty, morality, pride, shame, guilt, fear and greed, in order to maintain itself. It gives high rewards to individuals who perform important tasks such as surgery, makes heroes out of individuals for unusual or dangerous achievements such as flying fighter planes in a war, and uses the legal and penal (刑法的) system to make people afraid to engage in antisocial acts.
A．they provide the means by which people view the size or shape of objectsB．they are the basis for the social feeling of agreement by which society is maintainedC．they encourage people to perform dangerous achievementsD．they generate more love than hate among people
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患者，男，65岁，高血压持续已10年，最高可达180／110mmHg，最近夜尿多，尿常规PRO示（++），可见少量红细胞及管型，血肌酐正常，眼底小动脉瘀血本病例应诊断为（）。
A . A.恶性小动脉性肾硬化症
B . 高血压病
C . 良性小动脉性肾硬化症
D . 慢性肾小球肾炎
E . 慢性肾功能不全
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下列情形中，表明存货的可变现净值低于成本的有______。
A.存货的市价持续下跌，并且在可预见的未来无回升的希望
B.企业使用该项原材料生产的产品的成本大于产品的销售价格
C.企业因产品更新换代，原有库存原材料已不适应新产品的需要，而该原材料的市场价格又低于其账面成本
D.因企业所提供的商品或劳务过时或消费者偏好改变而使市场的需求发生变化，导致市场价格逐渐下跌
E.存货市价的暂时下跌
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