根据句意填写适当的单词。

1.  The old woman feels______after a long walk.

2.  Eating a______ diet is good for health.

3.  I have a______,so I can't speak a word.

4. I brush my______twice a day.

5.  The little boy eats too much, he has a______.

利小便即所以实大便治法的依据是（）。

A.脾主运化水液

B.小肠泌别清浊

C.肺主通调水道

D.膀胱贮尿排尿

E.肾主司二便