慢性胃炎不具有的临床症状是( )
自然人投资人A,投资于有限合伙型股权投资基金B,则关于A和B所涉及的所得税税负描述正确的是( )。
What is the teacher doing in terms of error correction?
T: Does any of you have a pet at home?
S:I have dog at home.
T: Oh, I see you have a dog at home. Is your dog big or small?
女,20岁 。活动后胸闷,气短2天 。3周前曾咳嗽,持续发热1周 。既往体健 。查体:面色苍白、双肺呼吸音清,心界向左下扩大,心率120次/分,频发早搏,第一心音减弱,P2>A2,心尖区可闻见2/6级收缩期杂音 。实验室检查:血肌钙蛋白增高 。该患者最可能的诊断是