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对于某些食入性中毒患者灌服牛奶或蛋白少量，其主要作用是（）
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关于膀胱结石，错误的是（）
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《工业固体废物采样制样技术规范》规定：工业固体废物样品保存期为（），易变质的不受此限制。
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重庆烟草集团生产的卷烟“朝天门”，其传播的品牌广告理念是：“热爱朝天门，工作有精神。”这个理念与当前社会对香烟的理解是否存在什么冲突？为什么？
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草履虫的结构：（）
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完全随机设计 名词解释
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不能引起全身化脓性感染的细菌是（）
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中控台式
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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（）