患儿,2岁,有发热、声嘶、犬吠样咳嗽、吸气性喉喘鸣和吸气性呼吸困难等症状。首先应考虑的诊断是()
A.急性会厌炎
B.急性喉炎
C.气管支气管异物
D.喉白喉
E.喉痉挛
参考答案:B
风湿性心脏病主动脉瓣关闭不全易并发细菌性心内膜炎,而二尖瓣狭窄很少并发。()
Did you enjoy your trip ______ Disneyland?[ ]
A. from
B. to
C. in
D. of