病历摘要女性，31岁。跌伤后右肩关节疼痛2小时。患者2小时前摔倒后右手掌着地，伤后右肩关节疼痛不敢活动，来诊时左手托着右肘关节，头向息肩倾斜。伤后无腹痛，无呼吸困难，未排大小便。既往身体健康。查体：T 36.8℃，P 92次／分，R 16次份，BP I00/60mmHg。神志清楚，头颈部及胸腹部检查未见明显异常。骨科专科检查：右肩部方肩畸形、弹性固定、关节盂空虚、Dugas征阳性。患肢的感觉、运动和血液循环情况未见异常。
查看答案
What example does the professor give of a memes longevity？
A story has been changing since it first appeared in the 1930s.
B. A person remembers a story for many years.
C. A gene is passed on through many generations without changing.
D. A song quickly becomes popular all over the world.
描述原子在晶体中排列方式的空间框架叫做()
A. 晶胞
B. 晶粒
C. 晶格
D. 晶格常数
简要病史：患者，男，56岁，呕血1天，血压下降l小时，既往有慢性肝病病史。初步诊断：肝硬化食管静脉曲张破裂出血、失血性休克
简要病史：男性，75岁全腹胀伴间断呕吐7天急诊就诊。
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