伤寒一日,巨阳受之的病症是()
A.口燥舌干而渴
B.身热、目疼、鼻干、不得卧
C.腹满而嗌干
D.烦满而囊缩
E.头项痛、腰脊强
参考答案:E
填料是填料塔的核心,因此填料应符合()。
A.有较大的比表面积
B.有较高的空隙率
C.有足够的力学强度
D.表面不易润湿
May I speak to Dr. Brown?()
A.Yes, he is not in at the moment.
B.No, you can't.
C.Yes, this is Brown speaking.
D.Sorry, speaking.