主页
学科
搜索
账户
常见问题
当前学科：超声医学与技术综合复习题
题目：
单选
患儿，5岁，呼吸困难．紫绀，杵状指。X线示右心肥厚，肺血减少。超声心动图表现为主动脉前壁与室间隔连续中断，两个残端不在一个平面上，形成主动脉骑跨，可见五色花彩血流束起自肺动脉瓣口处。需鉴别的先心病，应除外（）。
A . A.永存动脉干
B . 大动脉转位
C . 肺动脉闭锁
D . 房间隔缺损
E . 右室双出口
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:
无机矿物制品的特点是（）。
降低焦比的基本途径有（）。
简述数字技术时代电视的特点。
某危险化学品生产经营企业于2010年6月10日向省安全监督部门申请办理安全生产许可证，省安全监管部门于2010年7月15日向该企业颁发了安全生产许可证。依据《安全生产许可条例》的规定，该企业申请办理安全生产许可证延期手续合适的日期是()
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
简述喉支架的软骨构成。
郑某（女）涉嫌贩卖毒品罪，某县公安局决定对其采取拘留措施。侦查人员在执行拘留时，怀疑其可能在住所藏有毒品，并且其夫也在房间，情况紧急，有必要搜查。下列说法正确的有（）。
为了进一步保障基金信息质量，法规规定基金年度报告应经（）以上的独立董事签字同意，并由董事长签发。
自然界的岩石根据坚固和岩石本身的特征，岩石可分为（）大类。
亨德尔的清唱剧有哪些主要特点？举例说明。