Which of the following statements about bond and stock market indexes is FALSE()

A. Bond market indexes have been in existence virtually as long as the major stock indexes such as the Dow Jones Industrial Average (DJIA).

B. A small number of very large firms can dominate a value-weighted index.

C. When a company splits its stock, it loses weight in a price-weighted index.

对热敏感的液体药剂用（）。

A.甲醛薰蒸灭菌法

B.γ射线灭菌法

C.热压灭菌法

D.干热灭菌法

E.滤过除菌法