题目内容：
急性心梗的常见先兆症状是（ ）
A．心悸 B．气短
C．心绞痛
D．烦躁
E．乏力
参考答案：
答案解析：
单选题：急性心梗的常见先兆症状是（ ）
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B．气短
C．心绞痛
D．烦躁
E．乏力
B．气短
C．心绞痛
D．烦躁
E．乏力
These continual ________ in temperature make it impossible t
These continual ________ in temperature make it impossible to decide what to wea
关于早搏，错误的是（ ）
关于早搏，错误的是（ ）A．可有心悸 B．可有晕厥 C．可减少心绞痛发作 D．可有乏力 E．可有心跳停搏感
子宫最狭窄的部分是（ ）
子宫最狭窄的部分是（ ）A．组织学内口 B．解剖学内口 C．子宫颈管 D．子宫峡部 E．子宫外口
When the Olympic games were revived in 1896, athletes who ha
When the Olympic games were revived in 1896, athletes who had received special t
She had a tense expression on her face, ________ she were ex
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