Nowadays, it's frequently reported that the accidents of dangerous Animals attack and hurt peoples from time to time. For example, the dog bites persons in public. Worse still, some owners even allow their pets of crocodile to free in parks and eventually cause people to lose lives. It has attracted more and more peoples' attentions and responses.
As it is known to us that raising dangerous animals is extremely dangerous and threaten to human beings. The past accidents warn us to raise dangerous animals is a risk not only to owners but also the public.
It is high time that such phenomena should disappear, because everyone desires to live in a secure environment. After all, only in a peaceful environment can we keep physic healthy. Therefore, it's believed that government should take some active measures to regulate it, such as people should stop raising dangerous animals as pets for everybody's security.