He often sat in a small bar drinking considerably more than ________.

a. was good for his health                     b. his health was good

c. his good health                      d. was in good health

1molAg（s）在等容下由273.2K加热到303.2K。已知在该温度区间内Ag（s）的Cv，m=24.48J•K-1•mol-1则其熵变为：（）

A.2.531J•K-1

B.5.622J•K-1

C.25.31J•K-1

D.56.22J•K-1