急性局限性前壁心肌梗死。心电图特征性改变见于下列哪组导联()。
A.V1、V2、V3
B.V3、V4、V5
C.V1-5
D.Ⅰ、V1、V5、V6
E.Ⅱ、Ⅲ、aVF
参考答案:B
属于发射光谱分析的技术是()
A.荧光分析法
B.可见及紫外分光光度法
C.原子吸收分光光度法
D.透射比浊法
E.散射比浊法
--The pet dog in your hand is very nice. Is it ?
--Yes, but I’ll give it to my friend, Lucy, as birthday present.
A.you; her
B.yours; hers
C.yours; her
D.you; hers