患儿,女,3岁,发热、声嘶伴犬吠样咳嗽2天。诊断明确后,应采用以下何种治疗为宜()
A. 退烧
B. 喹诺酮类抗生素+激素
C. 头孢菌素类抗生素+激素
D. 仅用激素
E. 环甲膜穿刺
F. 雾化吸入
G. 祛痰、镇咳
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《中华人民共和国民用航空法》规定,未注销外国国籍的民用航空器允许在中华人民共和国申请国籍登记。
A. 正确
B. 错误
DATA SEGMENT DA1 DB 30 DUP(?) DA2 DW 1456H,789AH DA3 DW DA2 DATA ENDS ┇ ┇ MOV BX,DA3 上述指令执行后,BX中的内容是()。
A. 30
B. 31
C. 32
D. 21H
The pressure in an operating diesel engine cylinder continues to rise for a short period after the piston passes top dead center as a result of the ()
A. expansion of the combustion gases
B. exhaust and intake valves just closing
C. maximum compression is just being attained
D. fuel injection occurring at that point and combustion begi