静子叶片是指调()的叶片.
A.风扇叶片
B.涡轮静子叶片
C.高压压气机进口和前儿级静子叶片
参考答案:C
There are many students in his class,but he still feels____. [ ]
A.alone
B.lonely
C.lone
D.asleep
患者患慢性阻塞性肺疾病30年,现每遇情志刺激而诱发,发时突然呼吸短促,息粗气憋,胸闷胸痛,咽中如窒,但喉中痰鸣不著。平素常忧思抑郁,失眠,心悸。苔薄,脉弦。其中医治法是()
A.开郁降气平喘
B.清热化痰,宣肺平喘
C.补肺益气养阴
D.清热化痰,宣肺平喘
E.扶阳固脱,镇摄肾气