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以下所列的承载式车身零件中，（）属于结构件。
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劳动能力鉴定的申请主体包括职工个人及其直系亲属、用人单位等，而职工个人是重要的申请主体。
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国际上最公立的商检机构是瑞士的（），在我国主要城市也设有办事机构。
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男，48岁，一年来每于剧烈活动时或饱餐后发作剑突下疼痛，向咽部放射，持续数分钟可自行缓解。2周来发作频繁且有夜间睡眠中发作。2小时来疼痛剧烈，不能缓解，向胸部及后背部放射。伴憋闷，大汗。首选的治疗方法是（）
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我国实行的建设工程监理，属于()项目管理的范畴。
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上坡前要利用有利地形，提高柴油机转速，在柴油机高转速、车辆高速度的前提下，力求在坡底接近限制速度，充分利用车列（），减少爬坡时间。
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主张教育要与儿童天性的自然发展一致起来的教育家是（）。
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对动物卫生监督执法可以采取的措施是（）。
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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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肺脓肿早期最易与下列哪种疾病混淆（）