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问题 单项选择题 A1型题

不属于下颌骨内侧面的解剖结构是（）

A.颏棘

B.颏结节

C.下颌小舌

D.下颌下腺窝

E.舌下腺窝

答案

参考答案：B

解析：颏棘位于下颌骨体内侧面，上、下颏棘分别为颏舌肌和颏舌骨肌的起点；内斜线上方，颏棘两侧有舌下腺窝；内斜线下方有二腹肌窝和下颌下腺窝；下颌孔前方有锐薄的小骨片，为下颌小舌。颏结节为下颌骨外侧面的解剖结构，故选B。

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.

Which of the following statements is NOT true

A．Language shapes an infant’s perception.

B．Language elicits an infant’s emotions.

C．Language forms an infant’s cultural awareness.

D．Language forms an infant’s basic understandin
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单项选择题

慢性心房纤颤是指心房纤颤病史（）。

A.大于24小时

B.大于48小时

C.大于3天

D.大于1个月

E.大于3个月
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