《素问·六节藏象论》所说的“封藏之本”,是指()
A.肺
B.脾
C.肾
D.肝
E.心
参考答案:C
Lin Dan won the first prize in the Beijing Olympics, which helped him gain the ____ of the world.
A.congratulation
B.appreciation
C.admiration
D.administration
试述影响纤维吸湿的机制及理由。