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问题 填空题

如图所示，双缝干涉实验中用频率的单色光照射双缝，若屏上一点P到双缝的距离之差为0.9μm，则P点处将出现_____________条纹。若在折射率n＝2的介质中作上述实验，则P点处将出现_____________条纹。（填写“亮”或“暗”）

答案

暗，亮

单项选择题

The first and most important agents of socialization are the people who care for infants. In the earliest months, messages from nurturers constitute the child’’s basic understanding of the world around it. This is the infant’’s first introduction to the language that shapes perception and elicits emotion.Another powerful source of information and socialization is the friendship of peers. Peers are equals that one can deal with on the same level as oneself, whereas parents are superiors. The heavy emotional overlay of family relationships makes some kinds of learning difficult.Much formal socialization is placed in the hands of professionals. Teachers from kindergarten on are specifically designated agents of socialization. Ideally, a teacher is one who has both knowledge and the skills to present it. During the course of teaching their subjects, classroom instructors provide role models and attempt to convey the excitement of learning itself.In earlier times, parents, friends and teachers would comprise the list of primary childhood socializers. Children’’s books, comics and magazines might also have been mentioned as sources of information on norms and role models. Today one must add three powerful indirect or non-personal socialization agents: radio, movies and television. Many people learn about politics, form a vision of well-being, and develop attitudes towards others from what they see on the screen and hear through the speakers.

________ are the first formal socialization agents.

A．Infant nurturers

B．Family members

C．Group peers

D．School teachers
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判断题

在与爱立信MSC组网中，小区A、B分属于爱立信MSCA和MSCB，当MSCA中配置了小区B的数据，而MSCB（目标MSC）没有配置小区A的数据时，将导致小区A向小区B的出MSC切换失败。
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