端坐位时可减轻肺气肿引起呼吸困难的原()。
A.减轻上腔静脉淤血
B.减轻下腔静脉淤血
C.使膈肌降低,增加胸腔容积
D.减轻门静脉淤血
E.减轻肺淤血
参考答案:C
He is a strict but kind-hearted teacher , _______ his students respect but are afraid of .
A.one whom
B.for whom
C.which
D.that
太阳病证的临床表现有
A.头身疼痛B.大汗出C.面赤D.头晕