根据句意及首字母提示补全单词。

1. As we know, tigers f_______ on meat.

2. SARS spreads easily a_______ people. We should take care of ourselves.

3. My father took an active part in the battle a_______ SARS in 2003.

4. Tom is a great inventor. He i_______ many useful things.

5. You'll have to h_______ if you want to catch that train.

下列( )是反映清偿能力指标的。

A．资本金利润率

B．财务净现值

C．流动比率

D．投资回收期