题目

A father with Parkinson’s disease was arrested as he watched the Olympic cycling road race because he failed to smile or look as if he was enjoying himself. Mark Worsfold, a martial arts trainer and former soldier, claims that he was thrown to the floor and handcuffed just as cyclists passed by. His worried wife Nicola only found out he was being held after she reported him missing when he did not turn up for their daughter’s ninth birthday party. The 54-year-old man had his fingerprints, DNA and mugshot taken before being questioned about why he did not appear to be enjoying the 水的比热容是    ，它所表示的物理意义是