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少年期是指____岁的儿童。
夸美纽斯，《语言初阶》《世界图解》是“（）”的直接运用。
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8处填上正确答案（）
处理劳动争议，应当遵循的原则是什么？
会议类文书是以记录、反映会议情况为主要内容的文书资料。除会议记录、会议议程外，还包括讲话稿、发言稿、开幕词、闭幕词等。
根据《关于进一步规范商业银行代理保险业务销售行为的通知》，对需要进行需求分析与风险能力测评的投保人的特殊要求不包括（）。
TSRS应（）TCC的正线闭塞分区状态和区间方向等信息。
1个工作领导人，同时只能接受1张工作票。1张工作票只能发给（）个工作领导人。
在手动配置设备时，以下描述正确的是（）
适宜睡前服用的药品有（）
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MZ1—1000型埋弧自动焊机调节电弧电压的方法是（）。
使用MZ1—1000型埋弧自动焊机时，通过改变送丝速度把焊接电流调大后，电弧电压（）。
MZ1—1000型埋弧自动焊机调节焊接电流的方法是（）。
MZ1—1000型埋弧自动焊机的送丝速度变大时，焊接电流（）。
MZ1-1000型埋弧自动焊机送丝速度增大时则（）变大。
增大送丝速度则MZ1－1000型自动埋弧焊机焊接电流将（）。
增大送丝速度则MZ1－1000型自动埋弧焊机焊接电流将（）。
MZ1-1000型埋弧焊机是（）
当使用MZ1—1000型埋弧自动焊机时，若送丝速度不变，弧焊电源的电流调节按钮不动，焊丝直径从4mm改为3mm时，则焊接电压（）。
当使用MZ1—1000型埋弧自动焊机时，若送丝速度不变，弧焊电源的电流调节按钮不动，焊丝直径从4mm改为3mm时，则焊接电流（）。