题目内容
患者男，35岁，因“急起剧烈腹泻，呕吐1d”来诊。时值夏季，患者无腹痛，呈米泔水样粪。查体：BP70/50mmHg。粪便检查：悬滴时见有穿梭运动，直接涂片染色，见鱼群状排列弧菌。该患者的补液原则是（提示患者的脱水程度为中度，尿量减少，血压下降。）（）
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牙周组织
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7处填上正确答案（）
导体紧压的目的是什么？
使用高分子止水带施时，胶填塞的作用是（）。
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