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题目：
多选题
A室外机支架未安装不平
B室外机未装减振垫
C室外机安装牢固水平
D室外机安装的墙体太薄共振
答案：
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比较模拟通信方式和数字通信方式的特点?
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耻骨上膀胱穿刺术的适应证是（）。
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国际开发机构申请在中国境内发行人民币债券时，若已为中国境内项目提供的贷款和股本金在5亿美元以上，可以免予提供两家以上评级公司评级。（）
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Ⅲ污秽等级区域，接触网绝缘爬电距离不小于（）mm。
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下列属于社会行为问题的是（）
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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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产品数据管理把所有的文档分为以下哪几种进行管理（）
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18岁男性胰岛素依赖型糖尿病患者，2天前中断胰岛素后出现昏迷，血糖420mg／dl（23mmoVL），经抢救并静脉滴注碳酸氢钠后血糖下降，神志好转，酸中毒减轻，但不久又进入昏迷，其最可能的原因是（）
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《在那遥远的地方》这首歌的演唱是王洛宾。
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具有急性肝炎临床表现的病人具备下列哪项可以确诊为甲型肝炎