急性前壁心肌梗死的特征性心电图见于哪几个导联( )
A.V1~V4B.V1~V3C.V3~V5D.V6、I、aVLE.V1~V6、及I、aVL
参考答案:C
My teacher asked me to copy _____ article _____ second time.
A.an; the
B.an; a
C.the; a
D.the; the
()占地壳的66%,为地表的主要岩类。
A.沉积岩
B.变质岩
C.岩浆岩
D.碳酸盐岩