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17处填上正确答案（） normally。 regularly。 usually。 ofte。
三段论：由两个含有一个共同项的性质判断作前提得出一个新的性质判断为结论的演绎推理。演绎推理是由普通性的前提推出特殊性结论的推理。根据以上定义，下列属于三段论的是：（） 所有的金属都不溶于水，铬是金属，所以铬不溶于水。 所有的麻雀都有羽毛，所有的鸽子都有羽毛，所以所有的鸟都有羽毛。 甲不是罪犯，乙不是罪犯，所以甲乙都不是罪犯。 周恩来是伟大的政治家，周恩来是伟大的军事家，所以周恩来是伟大的政治家和军事家。
房屋建筑竣工面积是指在报告期内房屋建筑按照设计要求全部完工，达到使用条件，经验收鉴定合格，正式移交使用单位的房屋建筑面积。
什么是玻璃管空气预热器？有何特点？
下面有关计算机的叙述中，正确的是（） 计算机的主机只包括CPU。 计算机程序必须装载到内存中才能执行。 计算机必须具有硬盘才能工作。 计算机键盘上字母键的排列方式是随机的。
俱乐部工作活动计划要做到（）。
