某厂#1机组（600MW）2008年1月10日9：30因非计划降低出力30MW，持续0.8小时，其余时间全出力运行。#2机组（600MW）全出力运行。该厂当月等效非计划降低出力时间是（）小时。

A、0.02

B、0.8

C、0.4

D、0

用所给词的适当形式填空。

1. Kangaroos are ______ (play) and chimpanzees are _____ (noise).

2. I was ____ (surprise) to find hardly anyone in the zoo.

3. Visiting zoos are like ____ (live) textbooks for young people.

4. He ____ (use) to be ____ (call) “Little Tiger”.

5. Liu Xiang’s success is an ____（inspire）to us all