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问题 单项选择题 A1/A2型题

反映前侧壁心肌梗死的心电图导联是（）

A.V3、V4、V5

B.Ⅰ、aVL

C.Ⅱ、Ⅲ、aVF

D.Ⅰ、aVL、V4、V5

E.V1、V2、V3

答案

参考答案：D

选择题
Last week, only two people came to look at the house, ____ wanted to buy it.

A. none of them
B. both of them
C. none of whom
D. neither of whom
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单项选择题

重量渗透克分子浓度单位是()

A．Osm/kg

B．mOsm/kg

C．mOsm/L

D．Osm/L

E．mOsm/L
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