皮皮学，免费搜题
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【单选题】
男性,21岁。近半年来反复心悸、胸痛、劳力性呼吸困难,头晕或短暂神志丧失。体检发现:心脏轻度增大,心尖部有2级收缩期杂音和第四心膏,胸骨左缘第3—4肋间较粗糙的喷射性收缩期杂音。最可能的诊断是A.
冠心病心绞痛
B.
二尖瓣关闭不全
C.
主动脉瓣狭窄
D.
肥厚型梗阻性心肌病
E.
病毒性心肌炎
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皮皮学刷刷变学霸
举一反三
【单选题】We were frightened by the ______ of the crowd.
A.
hospitality
B.
honesty
C.
humanity
D.
hostility
【单选题】The buses, ________ were already full, were surrounded by an angry crowd.
A.
most of them
B.
which most
C.
most of which
D.
that most