题目内容
“大鱼吃小鱼，小鱼吃虾米”是食物链的通俗表述。
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船舶签证的目的是（）。
空调试验室应采用对外界气温影响小的隔热构造，门、窗要采用隔热密封结构。室内应备有足够能力的加热，加湿及制冷设备，一般应比设计试验性能力大（）。
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3处填上正确答案（）
患者男性，12岁，因“左侧肩关节明显高于右侧”来诊。患者无外伤史。查体：左侧肩胛骨明显高于右侧，局部无压痛，左侧上肢上举、外展外旋活动受限。为确诊，首选的检查是（）
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