主页
学科
搜索
账户
常见问题
当前学科:心电学技术习题集
题目:
单选
如果左、右手电极反接记录心电图。记录的aVF导联心电图相当于实际心电图的()。
A . A.Ⅱ导联
B . Ⅲ导联
C . aVR导联
D . aVL导联
E . aVF导联
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:
2012年7月1日,积极应对人口老龄化战略研讨会在北京召开。人社部社会保障研究所所长何平称,建议中国从2016年实行延长退休年龄的政策,并每两年延长1岁退休年龄,到2045年不论男女退休年龄均为65岁。甲公司目前正在进行2016年的战略规划,对于可能延长退休年龄的政策变化考虑是基于PEST分析中的()因素。
主要泻下成分与番泻叶相似的药材是()
丹毒的常见致病菌是()。
Once there was a little girl who came to live in an orphanage (孤儿院). As Christmas time was drawing near, all of the other children 11 telling the little girl about the beautiful Christmas tree that would appear in the hall downstairs on Christmas morning. After their usual 12 , each child would be given their only Christmas gift, a small orange. The headmaster of the orphanage was very 13 with the kids. So on Christmas Eve, when he 14 the little girl slipping down the stairs to peek(偷看)at the much-heard-of Christmas tree, he 15 that the little girl would not receive her Christmas orange because she had been so curious as to disobey the rules. The little girl ran back to her room 16 , crying at her terrible fate. The next morning as the other children were going down for breakfast, the little girl stayed in her bed. She couldn’t 17 the thought of seeing the others receive their gift while there would be 18 for her. Later, as the children came back upstairs, the little girl was surprised to be handed a napkin (餐巾). As she carefully opened it, there, to her 19 , was an orange all peeled and sectioned (分瓣). “ How could this be? ” she asked. Then, she realized how each child had taken one section from their orange for her so that she, too , would have a Christmas orange. What an example of the true meaning of Christmas those orphan children showed that morning! How I 20 the world would show the same kind of concern for others, not only at Christmas, but throughout the year! 请在12处填上正确答案()
素菜的特点有三:一是______,______;二是______,______,______;三是______。
电子银行业务的合规经营监管方式包括现场检查、非现场检查和(),三种方式相互补充、互为依据。
绞窄性肠梗阻的呕吐物呈()
磐石pán shí
客户关系管理(CRM)系统将市场营销的科学管理理念通过信息技术的手段集成在软件上,能够帮助企业构建良好的客户关系。以下关于CRM系统的叙述中,错误的是()
描述螺旋对称壳体特征的参数有( )。A.核酸的相对分子质量B.螺旋长度与直径C.螺旋的外观D.蛋白质亚基大小