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数据链路层中的数据块常被称作（）。
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阅读下面的短文，文中有15处空白，每处空白给出4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 A satisfactory psychological theory must allow us to predict behavior. For instance, a satisfactory theory of hunger will allow us to predict when people will eat and not eat. A broadly satisfying, (51) theory should have a wide range of applicability. A broad theory of hunger might apply (52) human beings and lower animals, to normal weight and overweight people, and to people who have (53) of food for differing lengths of time. If our (54) cannot be adequately explained by or predicted from a given theory, we should consider revising or replacing that theory. In psychology many theories have been found to be (55) of explaining or predicting new observations. As a result they have been revised (56) .For example, the theory that hunger results from stomach contractions may be (57) correct for normal weight individuals, but it is inadequate as an (58) for feelings of hunger among the overweight. (59) theories also focus on biological variables, such as fat cells and brain (60) , and psychological variables such as the presence of other people who are eating and the time of day. The (61) of controlling behavior in psychology is highly (62) . Some people erroneously think that psychologists seek ways to make people do their bidding—like puppets dangling on strings. This is not so. Instead, psychologists help (63) change their behavior for their own benefit. Psychologists are (64) to belief in the dignity of human beings, and human dignity demands that people be free to make their own decisions and choose their own behavior. Psychologists are learning more all the time about the (65) influences on human behavior, but they apply this knowledge only upon request and in ways they believe will be helpful to an individual or an institution.
阅读下面的短文，文中有15处空白，每处空白给出4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 A satisfactory psychological theory must allow us to predict behavior. For instance, a satisfactory theory of hunger will allow us to predict when people will eat and not eat. A broadly satisfying, (51) theory should have a wide range of applicability. A broad theory of hunger might apply (52) human beings and lower animals, to normal weight and overweight people, and to people who have (53) of food for differing lengths of time. If our (54) cannot be adequately explained by or predicted from a given theory, we should consider revising or replacing that theory. In psychology many theories have been found to be (55) of explaining or predicting new observations. As a result they have been revised (56) .For example, the theory that hunger results from stomach contractions may be (57) correct for normal weight individuals, but it is inadequate as an (58) for feelings of hunger among the overweight. (59) theories also focus on biological variables, such as fat cells and brain (60) , and psychological variables such as the presence of other people who are eating and the time of day. The (61) of controlling behavior in psychology is highly (62) . Some people erroneously think that psychologists seek ways to make people do their bidding—like puppets dangling on strings. This is not so. Instead, psychologists help (63) change their behavior for their own benefit. Psychologists are (64) to belief in the dignity of human beings, and human dignity demands that people be free to make their own decisions and choose their own behavior. Psychologists are learning more all the time about the (65) influences on human behavior, but they apply this knowledge only upon request and in ways they believe will be helpful to an individual or an institution.
有多种设备可以实现不同网段或网络之间的互连，互连设备通常可按工作在OSI模型中的层次来划分。在物理层实现互连的称为 (43) ；在数据链路层实现互连的称为 (44) ；在网络层实现互连的称为 (45) ；在运输层及以上高实现互连的设备称为网关或 (46) 。(47) 也是一种用来构造局域网的常用设备，通常可以用双绞线把服务器与PC客户机等连入 (47) 。 46（）
ABC会计师事务所接受委托，对甲公司20×9年度财务报表进行审计。A注册会计师为甲公司年报审计的项目负责人，根据审计业务的要求，组建了甲公司审计项目组。假定存在下列情形：(1) A注册会计师与甲公司副总经理同为油画爱好者，经其介绍，A注册会计师从其他企业筹得款项，成功举办个人油画展；(2) 审计项目组成员B与甲公司后勤处处长是战友，在年底审计的时候将甲公司职工年终福利一台进口彩电赠送给了B；(3) A注册会计师的岳父于20x8年购买甲公司发行的公司债券，面值2000元，即将到期；(4) ABC会计师事务所合伙人C不属于项目组成员，其妻子继承父亲遗产，其中包括甲公司内部职工股20000股；(5) 审计项目组成员D与甲公司财务总监王总从小学到大学一直是同班同学；(6) ABC会计师事务所原人事部经理E于20×5年10月离开事务所，担任甲公司人事总监。要求： 针对（1）事项，指出是否对审计项目组的独立性构成不利影响，并简要说明理由。
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