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立式金属罐检定周期为（）。
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朗格汉斯组织细胞增生症可能
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“爱岗敬业，恪尽职守”这一原则，是企业培训师从事职业活动的基本行为准则。
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标点题:圣人之所以全民生也五谷为养五果为助五畜为益五菜为充而毒药则以之攻邪故虽干草人参误用致害皆毒药之类也古人好服食者必生奇迹犹之好战胜者必有奇殃是故兵之设也以除暴不得已而后兴药之设也以攻疾亦不得已而后用其道同也故病之为患也小则耗精大则伤命隐然一敌国也以草木偏胜攻脏腑之偏胜必能知彼知己多方以制之而后无丧身殒命之忧是故传经之邪而先夺其未至则所以断敌之要道也横暴之疾而急保其未病则所以守我之岩疆也挟宿食而病者先除其食则敌之资粮已焚合旧疾而发者必防其并则敌之内应既绝辨经络而无泛用之药此之谓向导之师因寒热而有反有之方此之谓行间之术一病而分治之则用寡可以胜众使前后不相救而势自衰数病而合治之则并力捣其中坚使离散无所统而众悉溃病方进则不治其太甚固守元气所以老其师病方衰则必穷其所之更益精锐所以捣其穴若夫虚邪之体攻不可过本和平之药而以峻药补之衰敝之日不可穷民力也实邪之伤攻不可缓用峻厉之药而以常药和之富强之国可以振威武也（清•徐大椿《医学源流论•用药如用兵论》）
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比较有限责任公司与股份有限公司的异同。
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计算折旧必须确定房产的价值、使用年限、残值和（）。
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炭黑混入时间用下列哪个缩写表示（）
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Artist, scientist and entrepreneur are what most of us have known some or a lot about.【C1】______people would be surprised if somebody is perfectly good at one or two of these professions,【C2】______a hat-trick(帽子戏法)is quite rare. Man-kit Lam, now【C3】______in Hong Kong, in his 50s is the inventor of "special painting style", an accomplished【C4】______professor and biologist, and a rising key man with businesses in【C5】______the United States and Hong Kong. But Lam is most【C6】______as an artist, which is his passion(热望)since childhood. Lam was born in Chaoyang in South Chinas Guangdong Province and【C7】______with his family to Hong Kong【C8】______he was a child. A strong art lover, Lam displayed unusual artistic talents when he studied traditional Chinese ink painting【C9】______experienced and artistic Johnson Chou, Zhao Shaoang and Yang Shanshen in his【C10】______years. When he graduated from middle school, Lam asked his【C11】______to let him study art in college. They strongly objected, fearing that it would be too【C12】______for him to survive as a professional artist. "So I chose to study mathematics in college because it seemed to be the【C13】______to learn," Lam said. "To study【C14】______, you had to write papers. To study physics or biology, you【C15】______conduct experiments. But to study mathe matics, you only had to understand. " The young man had not【C16】______that he had special ability in science. After only six years of study in Canada, Lam got a bachelors degree in mathematics, a masters degree【C17】______physics and a doctorate in biophysics, the latter from the University of Toronto. In 1977, Lam went to the Baylor College of Medicine in Houston as an associate professor of ophthalmology(眼科学). In 1980, Lam was【C18】______to be the founding director of the Hong Kong Institute of Biotechnology, thus beginning his frequent shuttles(往返)between the United States and Hong Kong. In 1993, Lam【C19】______the Life Tech Group of Companies in the United States to develop, manufacture and market healthcare products. After Hong Kongs【C20】______to the motherland, Lam moved the headquarters of life Tech Group to Hong Kong and has lived there ever since.【C1】A．SomeB．ManyC．FewD．Lots of
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稳定塔又称为（）塔。
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简要说明气象色谱法的分离原理？