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如何理解医学是一门价值学科？
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颈椎是脊椎活动度最大的部分，以下关于枕-寰-枢复合体的叙述错误的是（）。
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Most people have no idea of the hard work and worry that gointothe collecting of those fascinating birds and animals that they pay to see in the zoo.One of the questions that is always asked of me is 1 I became an animal collector in the first 2.The answer is that I have always been interested in animals and zoos.According to my parents, the first word I was able to say with any 3 was not the conventional “mamma” or “daddy”,4 the word “zoo”, which I would 5 over and over again with a shrill 6 until someone, ingroupsto 7 me up, would take me to the zoo.When I 8 a little older, we lived in Greece and I had a great 9 of pets, ranging from owls to seahorses, and I spent all my spare time 10 the countryside in search of fresh specimens to 11 to my collection of pets.12 on I went for a year to the City Zoo, as a student 13 , to get experience of the large animals, such as lions, bears, bison and ostriches,14 were not easy to keep at home.When I left, I 15 had enough money of my own to be able to 16 my first trip and I have been going 17 ever since then.Though a collector's job is not an easy one and is full of 18 ,it is certainly a job which will appeal 19 all those who love animals and 20. 请在4处填上正确答案（）
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行政许可的基本原则有（）。
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特种设备
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冠状动脉口一般位于瓣膜游离缘以上，当心室收缩主动脉瓣开放时，瓣膜未贴附窦壁，血液可进入窦中形成小涡流，这样产生的影响是（）
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营业员向患者介绍药品时要依据（）
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在FAUNC系统中，刀具半径补偿建立直至取消的程序段中，允许连续出现两段非移动指令的程序段。
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叶某涉嫌盗窃罪，甲市公安局侦查终结后移送该市检察院审查起诉。甲市检察院审查后认为事实不清、证据不足，退回甲市公安局补充侦查，补充侦查完毕移送甲市检察院后，该检察院认为应该将该案交A区检察院审查起诉。A区检察院审查后认为需要退回公安机关补充侦查。根据以上案情，判断下列说法正确的是
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激光打印机具有最高的打印质量和最快的打印速度，可以输出漂亮的文稿，也可以输出直接用于印刷制版的透明胶片，尽管其购置费用和消耗品费用都比较高。