转自酷八兔英语笑话http://joke.k8tu.com/ It was time for the final and the student depending upon getting at least one right answer on the chemistry test.

The question was "If h20 if water, what is h204?"

This was a quick question for most, but it took the student some thinking time.

Finally, he wrote down his answer: For drinking, washing, and cleaning.

转自酷八兔英语笑话http://joke.k8tu.com/