主页
学科
搜索
账户
常见问题
当前学科:架子工考试
题目:
单选
单排扣件式钢管脚手架用于砌筑工程搭设中,操作层小横杆间距应≤()mm。
A . 600
B . 1000
C . 1500
D . 1200
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
连续性血液净化的特点,下列哪项正确()
厂用变压器停送电原则是什么?
男,56岁,心房颤动患者,突发一过性黑嚎。二周来共发生过5次,每次持续2~15s。查体无神经系统异常。脑CT无异常。可能的诊断是()
根据肝包虫囊肿的CT表现和特征可分为四型,下列哪项不包括在内()
明渠水流中建筑物模型试验,已知长度比尺λL=4,则模型流量应为原型流的()
简述钢筋混凝土构件自防水屋面的概念及特点。
一婴儿能独坐,并坐得很稳,但不会爬,能无意识地发出声音,认识生熟人,不能听懂自己的名字。此小儿的年龄最大可能是()
液压机构的贮压器的预压力如何测量?
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
以下叙述中,错误的是()