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视频卡的种类很多，主要包括 (7) 。以PAL制25帧/秒为例，已知一帧彩色静态图像(RGB)的分辨率为256×256，每一种颜色用16bit表示，则该视频每秒钟的数据量为 (8) 。全电视信号主要由 (9) 组成。在视频信号实时处理技术中，如果电视扫描的正程时间为52.2ms，分辨率为512×512，实时意味着处理每个像素的时间近似为 (10) 。 10（）
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数据链路层中的数据块常被称作（）。
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（）
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